Neuropsychology of Vision

Carther-Krone, T.A., & Marotta, J.J. (2022). The influence of magnocellular and parvocellular visual information on global processing in White and Asian populations. PLoS ONE 17(7): e0270422. https://doi.org/10.1371/journal.pone.0270422 

Abbas, H.H., Langridge, R.W. & Marotta, J.J. (2021). Eye-hand coordination: Memory-guided grasping during obstacle avoidance. Experimental Brain Research, 240, 453-466. https://doi.org/10.1007/s00221-021-06271-w

Ladwig, J.C._, do Prado, T.C., Tomy, S., Marotta, J.J., & Glazebrook, C.M. (2021). Rhythm and Reaching: The influence of rhythmic auditory cueing in a goal-directed reaching task with adults diagnosed with Cerebral Palsy. Adapted Physical Activity Quarterly, 39(1), 1-16. https://doi.org/10.1123/apaq.2021-0019. 

Szturm, T., Kolesar, T.A., Mahana, B., Goertzen, A., Hobson, D.E., Marotta, J.J., Strafella, A.P. & Ko, J.H. (2021). Changes in metabolic activity and gait function by dual-task cognitive game-based treadmill system in Parkinson’s Disease: Protocol and preliminary data of a randomized controlled trial. Frontiers in Aging Neuroscience, 13:680270. https://doi.org/10.3389/fnagi.2021.680270. 

Senanayake, S.S., Carther-Krone, T.A. & Marotta, J.J. (2021). Priming of the Sander Parallelogram Illusion separates perception from action. Experimental Brain Research, 239, 2207–2220. 

Langridge, R.W. & Marotta, J.J. (2021). Manipulation of 3-D and 2-D stimuli: Comparing digit placement and fixation
position. Experimental Brain Research, 239, 1863–1875.

Carther-Krone, T.A., Senanayake, S.S. & Marotta, J.J. (2020). The Influence of the Sander Parallelogram Illusion and Early, Middle and Late Vision on Goal-Directed Reaching and Grasping. Experimental Brain Research, 238(12), 2993-3003. 

Carther-Krone, T.A., Lawrence-Dewar, J., Nah, J.C., Collegio, A.J., Shomstein, S. & Marotta, J.J. (2020). Neural correlates of perceptual grouping under conditions of preattention and divided-attention. Perception, 49(5), 495-514.

Thulasiram, M.R., Langridge, R.W., Abbas, H.H. & Marotta, J.J. (2020). Eye-hand coordination in reaching and grasping vertically moving targets. Experimental Brain Research, 238(6), 1433-1440.

Langridge, R.W. & Marotta, J.J. (2020). Influence of target position and movement on gaze and digit placement during a grasping task. Human Movement Science, 71, 102625

Glazebrook, C.M., Brown, K., Prime, S.L., Passmore, S.R. & Marotta, J.J. (2020). Both reaching and grasping are impacted by temporarily induced paresthesia. Somatosensory & Motor Research, 37(2), 106-116.

Bhatt, M., Mahana, B., Marotta, J.J., Ko, J.H., Hobson, D.E & Szturm, T. (2020). A new technique to test the effect of cognition on standing balance in Parkinson’s Disease. Open Journal of Parkinson’s Disease and Treatment, 2(1), 006-013.

Langridge, R.W. & Marotta, J.J. (2017). Grasping occluded targets: Investigating the influence of target visibility, allocentric cue presence, and direction of motion on gaze and grasp accuracy. Experimental Brain Research, 235, 9, 2705-2716.

Nankar, M., Szturm, T., Marotta, J.J., Shay, B.L., Beauchet, O. & Allali, G. (2017). The interacting effects of treadmill walking and different types of visuospatial cognitive task: Discriminating dual task and age effects. Archives of Gerontology and Geriatrics, 73, 50-59.

Marotta, J.J. & Graham, T.J. (2016). Cluttered Environments: Differential effects of obstacle position on grasp and gaze locations. Canadian Journal of Experimental Psychology, 70(3), 242-247

Carther-Krone, T.A., Shomstein, S., & Marotta, J.J. (2016). Looking without perceiving: Impaired preattentive perceptual grouping in Autism Spectrum Disorder. PLoS ONE, 11(6): e0158566. DOI:10.1371/ journal.pone.0158566

Desanghere, L. & Marotta, J.J. (2015). The influence of object shape and centre of mass on grasp and fixation locations. Frontiers in Psychology, 6:1537. DOI:10.3389/fpsyg.2015.01537

Bulloch, M., Prime, S.L. & Marotta, J.J. (2015). Anticipatory gaze strategies when grasping moving objects. Experimental Brain Research, 233(12), 3413-3423.

Szturm, T., Sakhalkar, V., Boreskie, S., Marotta, J.J., Wu, C. & Kanitkar, A. (2015). Integrated computerized testing of standing balance, gaze performance, and cognition: Test-retest reliability and construct validity. Gait of Posture, 14, 146-152.

Szturm, T., Polyzoi, E., Marotta, J.J., Srikesavan, C.S., & Medeiros, M. A. (2014). An in-school game-base program of combined fine motor exercise and educational activities for children with neuro-developmental disorders. Games for Health Journal, 3(6), 326-332.

Meek, B.P., Locheed, K., Lawrence-Dewar, J.M., Shelton, P. & Marotta, J.J. (2013). Posterior Cortical Atrophy: An investigation of scan paths generated during Face Matching tasks. Frontiers in Human Neuroscience, 7:309. DOI:10.3389/fnhum.2013.00309. (Invited)

Meek, B.P., Shelton, P. & Marotta, J.J. (2013). Posterior Cortical Atrophy: Visuomotor Deficits in Reaching and Grasping. Frontiers in Human Neuroscience, 7:294. DOI:10.3389/fnhum.2013.00294. (Invited)

Szturm, T., Marotta, J.J., Wu, C. & Nayak, A. (2013). Technology-assisted and Motivational Program for a Blended Approach to prevent and Manage Balance, Gaze, Mobility and Cognitive Decline With Age. OA Evidence-Based Medicine, Apr 01;1(1):4. (Invited)

Szturm, T., Maharjan, P., Marotta, J.J., Shay, B., Shrestha, S. & Sakhalkar, V. (2013). The interacting effect of cognitive and motor task demands on performance of gait, balance and cognition in young adults. Gait and Posture, 38(4), 596-602. 

Prime, S.L. & Marotta, J.J. (2013). Gaze strategies during visually-guided versus memory-guided grasping. Experimental Brain Research, 225, 291-305.

Lawrence-Dewar, J.M., Baugh, L.A. & Marotta, J.J. (2012). Behavioural distinction between strategic control and spatial realignment during visuomotor adaptation in a Viewing Window task. PLoS ONE 7(11): e48759. DOI:10.1371/journal. pone.0048759

Baugh, L.A., Lawrence, J.M. & Marotta, J.J. (2011). Novel claustrum activation observed during a visuomotor adaptation task using a viewing window paradigm. Behavioral Brain Research, 223(2), 395-402.

Desanghere, L. & Marotta, J.J. (2011). “Graspability” of objects affect gaze patterns during perception and action tasks. Experimental Brain Research, 212(2), 177-187.

Lawrence, J.M., Abhari, K., Prime, S.L., Meek, B.P., Desanghere, L., Baugh, L.A. & Marotta, J.J. (2011). A novel integrative method for analyzing eye and hand behaviour during grasping in an MRI environment. Behavior Research Methods, 43(2), 399-408.

Adduri, C. & Marotta, J.J. (2009). Mental rotation of faces in healthy aging and Alzheimer’s Disease. PLoS ONE, 4(7): e6120. DOI:10.1371/journal.pone.0006120.

Baugh, L.A. & Marotta, J.J. (2009). When what’s left is right: Visuomotor transformations in an aged population. PLoS ONE, 4(5): e5484. DOI:10.1371/journal.pone.0005484.

Wilson, K.R., Pearson, P.M., Matheson, H.E. & Marotta, J.J. (2008). Temporal integration limits of stereovision in reaching and grasping. Experimental Brain Research, 189, 91-98.

Desanghere, L. & Marotta, J.J. (2008). The specificity of learned associations in visuomotor and perceptual processing. Experimental Brain Research, 187, 595-601.

Baugh, L.A. & Marotta, J.J. (2007). A new window into the interactions between perception and action. Journal of Neuroscience Methods, 160, 128-134 .

Behrmann, M., Avidan, G., Marotta, J.J. & Kimchi, R. (2005). Detailed exploration of face-related processing in congenital prosopagnosia: 1. Behavioral findings. Journal of Cognitive Neuroscience, 17(7), 1130-1149.

Behrmann, M., Marotta, J.J., Gauthier, I., Tarr, M.J. & McKeeff, T.J. (2005). Behavioral change and its neural correlates in prosopagnosia after expertise training. Journal of Cognitive Neuroscience, 17(4), 554-568.

Marotta, J.J., Keith, G.P. & Crawford, J.D. (2005). Task-specific sensorimotor adaptation to reversing prisms. Journal of Neurophysiology, 93, 1104-1110.

Crawford, J.D., Medendorp, W.P., & Marotta, J.J. (2004). Spatial transformations for eye-hand coordination. Journal of Neurophysiology, 92, 10-19. (Invited)

Marotta, J.J. & Behrmann, M. (2004). Patient Schn: Has Goldstein and Gelb’s case withstood the test of time? Neuropsychologia, 42(5), 633-638. (Invited)

Marotta, J.J., Medendorp, W.P. & Crawford, J.D. (2003). Kinematic rules for upper and lower arm contributions to grasp orientation. Journal of Neurophysiology, 90, 3816-3827

Marotta, J.J., McKeeff, T.J. & Behrmann, M. (2003). Hemispatial neglect: its effects on visual perception and visually guided grasping. Neuropsychologia, 41(9), 1262-1271

Marotta, J.J., McKeeff, T.J. & Behrmann, M. (2002). The effects of rotation and inversion on face processing in prosopagnosia. Cognitive Neuropsychology, 19(1), 31-47

Marotta, J.J., Genovese, C.R. & Behrmann, M. (2001). A functional MRI study of face recognition in patients with prosopagnosia. Neuroreport, 12(8), 1581-1587.

Marotta, J.J. & Goodale, M.A. (2001). The role of familiar size in the control of grasping. Journal of Cognitive Neuroscience, 13(1), 8-17.

Marotta, J.J. & Goodale, M.A. (1998). The role of learned pictorial cues in the programming and control of grasping. Experimental Brain Research, 121, 465-470

Marotta, J.J., Kruyer, A. & Goodale, M.A. (1998). The role of head movements in the control of manual prehension. Experimental Brain Research, 120, 134-138.

Marotta, J.J., DeSouza, J.F.X., Haffenden, A.M. & Goodale, M.A. (1998). Does a monocularly presented size-contrast illusion influence grip aperture? Neuropsychologia, 36(6), 499-504

Marotta, J.J., Behrmann, M. & Goodale, M.A. (1997). The removal of binocular cues disrupts the calibration of grasping in patients with visual form agnosia. Experimental Brain Research, 116, 113-121

Marotta, J.J., Perrot, T.S., Nicolle, D. & Goodale, M.A. (1995). The development of adaptive head movements following enucleation. Eye, 9(3), 333-336.

Marotta, J.J., Perrot, T.S., Nicolle, D., Servos, P. & Goodale, M.A. (1995). Adapting to monocular vision: Grasping with one eye. Experimental Brain Research, 104, 107-114.

Baugh, L.A., Desanghere, L. & Marotta, J.J. (2017). Agnosia. In Reference Module in Neuroscience and Biobehavioral Psychology, Elsevier. ISBN 9780128093245 (Invited)

Baugh, L.A., Desanghere, L. & Marotta, J.J. (2010). Agnosia. In G. Koob, M. Le Moal and R.F. Thompson (Eds), Encyclopedia of Behavioral Neuroscience, (vol. 1, pp. 27-33). London, UK: Academic Press, Elsevier Science. (Invited)

Feloiu, F.D., Marotta, J.J., Vesia, M., Black, S.E. & Crawford, J.D. (2009). Left-to-right reversal of hemispatial neglect symptoms following adaptation to reversing prisms. In M. Jenkin and L.R. Harris (Eds), Cortical Mechanisms of Vision (pp. 35-51). New York, NY: Cambridge University Press. (Invited)

Marotta, J.J. & Behrmann, M. (2002). Agnosia. In V.S. Ramachandran (Ed), Encyclopedia of the human brain (pp. 59-70). San Diego, CA: Academic Press/Elsevier Science. (Invited)

Saran, A.K. & Marotta, J.J. (2022). Does aging affect our ability to mentally simulate hand movements? Rotman Research Institute Virtual Conference, 505.  

Langridge, R.W. & Marotta, J.J. (2022). The Ebbinghaus illusion influences cursor movement but not final accuracy or movement time in a point-and-click task. Vision Sciences Society, Journal of Vision, 22(14): 3594, https://doi.org/10.1167/jov.22.14.3594.  

Saran, A.K. & Marotta, J.J. (2022). The effects of implicit motor imagery using the Hand Laterality Judgement Task. Vision Sciences Society, Journal of Vision, 22(14): 3240, https://doi.org/10.1167/jov.22.14.3240. 

Langridge, R.W. & Marotta, J.J. (2020). 2D and 3D stimuli both generate stable digit placement during a manipulation task.. Vision Sciences Society, Journal of Vision, 20(11): 940, doi:10.1167/jov.20.11.940.

Carther-Krone, T.A., Lawrence-Dewar, J., Collegio, A.J., Nah, J.C., Shomstein, S & Marotta, J.J. (2019). Perception with and without attention: Neural correlates of grouping by similarity in preattention and divided-attention conditions. Vision Sciences Society, Journal of Vision, 19(10):151, doi:10.1167/19.10.109b.

Thulasiram, M.R., Langridge, R.W., Abbas, H.H. & Marotta, J.J. (2019). Eye-hand coordination in reaching and grasping vertically translating targets. Vision Sciences Society, Journal of Vision, 19(10):109b, doi:10.1167/19.10.109b.

Langridge, R.W. & Marotta, J.J. (2019). Grasping 2-D targets in motion: The influence of a preferable central grasp location on eye-hand coordination. Vision Sciences Society, Journal of Vision, 19(10):109a, doi:10.1167/19.10.109a.

Leferink, C.A., Bruce, N.D.B. & Marotta, J.J. (2017). Visualization of viewing strategies for grasping a rotating target. Vision Sciences Society, Journal of Vision, 17(464), doi:10.1167/17.10.464.

Langridge, R.W. & Marotta, J.J. (2016). Influence of cue presence on eye-hand coordination: Disappearing targets in motion. Prairie Perception Action and Cognition Team (P-PACT).

Carther-Krone, T.A., Lawrence-Dewar, J., Shomstein, S. & Marotta, J.J. (2016). Brain Networks Involved in Perceptual Grouping During Divided-Attention. Prairie Perception Action and Cognition Team (P-PACT).

Leferink, C.A. & Marotta, J.J. (2016). Eye-hand coordination: Adaptive visuomotor strategies for dynamic targets. Prairie Perception Action and Cognition Team (P-PACT).

Ladwig, J.C., do Prado, T.C., Marotta, J.J. & Glazebrook, C.M. (2016). Facilitating movement performance in Cerebral Palsy: The impact of rhythmic auditory cueing in a goal-directed reaching task. Canadian Society for Psychomotor Learning and Sport Psychology, Journal of Exercise, Movements, and Sports, 48(1).

Langridge, R.W. & Marotta, J.J. (2016). Moving targets: Effects of occlusion on eye and grasp movements. Vision Sciences Society, Journal of Vision, September 2016, Vol. 16, 454. doi:10.1167/16.12.454.

Leferink, C.A., Stirton, H. & Marotta, J.J. (2015). Visuomotor strategies for grasping a rotating target. Vision Sciences Society, Journal of Vision, September 2015, Vol.15, 1151. doi:10.1167/15.12.1151.

Bulloch, M. & Marotta, J.J. (2014). The effects of speed and direction on eye-hand: Coordination for moving targets. Vision Sciences Society, Journal of Vision, August 22, 2014 14(10): 833; doi:10.1167/14.10.833.

Brown, K., Marotta, J.J., Passmore, S.R., Prime, S.L. & Glazebrook, C.M. (2014). Reaching and grasping with induced paresthesia: Associated movement strategies. North American Society for the Psychology of Sport and Physical Activity, Journal of Sport & Exercise Psychology, 36(Supplement), S22.

Graham, T.J. & Marotta, J.J. (2013). Eye-hand coordination: Differential effects of obstacle position on reach trajectories, grasp and gaze locations. Vision Sciences Society, Journal of Vision, July 24, 2013 13(9): 343; doi:10.1167/13.9.343.

Desanghere, L. & Marotta, J.J. (2013). Eye-hand coordination: Differential effects of object shape and surface properties on fixation and grasp locations. Vision Sciences Society, Journal of Vision July 24, 2013 13(9): 344; doi:10.1167/13.9.344.

Graham, T.J. & Marotta, J.J. (2012). Eye-hand coordination when reaching around an obstacle. Canadian Society for Brain and Behaviour, and Cognitive Science, 33, 9.

Graham, T.J. & Marotta, J.J. (2012). Eye-hand coordination when reaching around an obstacle. 2012 IDeA States Mini-Conference on Visual and Cognitive Neuroscience, 12.

Lawrence, J.M., Baugh, L.A. & Marotta, J.J. (2011). Behavioural distinction between strategic control and spatial realignment during visuomotor adaptation in a Viewing Window task. Society for Computers in Psychology, 13, 34.

Millikin, C. P. Shelton, P.A. & Marotta, J.J. (2011). Progression of neuropsychological impairments over one year in two patients with Posterior Cortical Atrophy. The Canadian Conference on Dementia, 26, 150.

Lawrence, J.M. & Marotta, J.J. (2011). Behavioural distinction of strategic control and spatial realignment during a viewing window task. Canadian Society for Brain and Behaviour, and Cognitive Science, 5, 25.

Locheed, K. & Marotta, J.J. (2011). Posterior Cortical Atrophy: The role of simultanagnosia in deficits of face perception. Canadian Society for Brain and Behaviour, and Cognitive Science, 6, 25.

Meek, B.P. & Marotta, J.J. (2011). Impaired visuomotor functioning in posterior cortical atrophy. Canadian Society for Brain and Behaviour, and Cognitive Science, 15, 27.

Prime, S.L. & Marotta, J.J. (2011). Where do we look when reaching and grasping objects in a memory-delay task? Canadian Society for Brain and Behaviour, and Cognitive Science, 36, 31.

Prime, S.L. & Marotta, J.J. (2011). Gaze strategies during visually-guided and memory-guided grasping. Vision Sciences Society, Journal of Vision, 11(11), 967.

Marotta, J.J., Locheed, K. (2011). Posterior Cortical Atrophy: The role of simultanagnosia In deficits of face perception. Vision Sciences Society, Journal of Vision, 11(11), 580.

Lawrence, J.M., Abhari, K., Prime, S.L., Meek, B.P., Desanghere, L., Baugh, L.A. & Marotta, J.J. (2010). A novel integrative method for analyzing eye and hand behaviour during grasping in an MRI environment. Society for Computers in Psychology, 10.

Millikin, C. Shelton, P.A. & Marotta, J.J. (2010). Neuropsychological assessment in two cases of posterior cortical atrophy. National Academy of Neuropsychology, Archives of Clinical Neuropsychology, 25(6), 476.

Marotta, J.J. (2010). Posterior cortical atrophy: Insights into perception and action. Canadian Psychological Association, Canadian Psychology, 51(2a), 97.

Meek, B., Desanghere, L., & Marotta, J.J. (2010). Posterior Cortical Atrophy: An investigation of grasping. Vision Sciences Society, Journal of Vision, 10(7), 1087.

Prime, S.L. & Marotta, J.J. (2010). Clarifying the role of gaze cues using biologically natural and unnatural faces. Vision Sciences Society, Journal of Vision, 10(7), 232.

Baugh, L.A., Lawrence, J.M. & Marotta, J.J. (2010). Novel insular cortex and claustrum activation observed during a visuomotor adaptation task using a viewing window paradigm. Vision Sciences Society, Journal of Vision, 10(7), 896.

Marotta, J.J., Desanghere, L., Meek, B., Baugh, L.A., Lawrence, J., Locheed, K. & Shelton, P.A. (2009). Posterior Cortical Atrophy: The effects on perception and action. Vision Sciences Society, Journal of Vision, 9(8), 1095.

Desanghere, L. & Marotta, J.J. (2009). Gaze strategies and grasping: Complex shapes. Vision Sciences Society, Journal of Vision, 9(8), 1108.

Lawrence, J., Baugh, L.A. & Marotta, J.J. (2009). A window into behavioural strategies used in visuomotor adaptation. Vision Sciences Society, Journal of Vision, 9(8),1110.

Desanghere, L. & Marotta, J.J. (2008). Gaze strategies while grasping: What are you looking at?! Vision Sciences Society, Journal of Vision, 8(6), 495.

Wilson, K.R., Pearson, P.M., Jakobson, L.S., Bolster, R.B., Marotta, J.J., & Sboto-Frankenstein, U. (2008). Colour and texture processing in human extrastriate cortex: An fMRI study. Vision Sciences Society, Journal of Vision, 8(6), 299.

Marotta, J.J., Mraz, R., Black, S.E., & Graham, S.J. (2007). An fMRI investigation of grasping in the elderly and in stroke. The Organization for Human Brain Mapping (OHBM), Neuroimage, 36, S51

Feloiu, F.D., Marotta, J.J., Vesia, M., Black, S.E., & Crawford, J.D. (2007). Parietal patients and reversing prisms. Festival of International Conferences on Caregiving, Disability, Aging and Technology (FICCDAT), 138, 274.

Rhode, L. & Marotta, J.J. (2006). Learned perceptual associations in perception and action: Differences in specificity. The Trieste Symposium on Perception and Cognition, 24, 4.

Rhode, L., Baugh, L.A., Pearson, P.M., Jakobson, L.S., & Marotta, J.J. (2006). Colour-specific deficits in implicit colour working memory: A visuomotor case study. Vision Sciences Society, 6(6), 132a.

Feloiu F.D., Marotta, J.J., Black, S.E. & Crawford, J.D. (2005). Adaptation to reversing prisms: pointing in patients with right-parietal damage. Vision Sciences Society, Journal of Vision, 5(8), 120a.

Marotta, J.J., Keith, G.P. & Crawford, J.D. (2004). Is reversing prism adaptation global or modular? Vision Sciences Society, Journal of Vision, 4(8), 290a.

Marotta, J.J., Medendorp, W.P. & Crawford, J.D. (2003). The 3-dimensional arm kinematics of grasp orientation. Society for the Neural Control of Movement, 13.

Behrmann, M., Hasson, U., Avidan, G., Marotta, J.J., Harel, M. & Malach, R. (2003). Fusiform face activation in congenital prosopagnosia. Cognitive Neuroscience Society, 188.

Behrmann, M, Marotta, J.J., Harel, M. & Hasson, U. (2002). Activation in fusiform gyrus is not correlated with face recognition: normal cortical activation with impaired face recognition in congenital prosopagnosia. Vision Sciences Society, Journal of Vision, 2(7), 562a.

Marotta, J.J., McKeeff, T.J. & Behrmann, M. (2001). Visual perception and grasping in hemispatial neglect. Cognitive Neuroscience Society, 151.

Marotta, J.J., McKeeff, T.J. & Behrmann, M. (2000). The effects of inversion on face processing in prosopagnosia. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 41(4), 223.

Marotta, J.J. & Goodale, M.A. (1999). The influence of familiar size on distance estimates. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 40(4), 804.

Marotta, J.J., Voyvodic, J.T., Gauthier, I., Tarr, M.J., Thulborn, K.R. & Behrmann, M. (1999). A functional MRI study of face recognition in patients with prosopagnosia. Cognitive Neuroscience Society, 83.

Marotta, J.J. & Goodale, M.A. (1998). Familiar size: Calibrating a monocularly guided reach. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 39(4), 1101.

Marotta, J.J. & Goodale, M.A. (1997). Elevation in the visual scene: Calibrating a monocularly guided reach. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 38(4), 988.

Kruyer, A., Marotta, J.J. & Goodale, M.A. (1997). Scene-based binocular cues improve grip trajectory accuracy. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 38(4), 988.

Marotta, J.J., DeSouza, J.F.X., Haffenden, A.M. & Goodale, M.A. (1996). Does a monocularly presented size-contrast illusion influence grip aperture? The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 37(3), 526.

Kruyer, A., Marotta, J.J. & Goodale, M.A. (1996). Manual grasping in a cue deprived environment. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 37(3), 526

Marotta, J.J. & Goodale, M.A. (1995). Binocular contribution to size and distance estimation during grasping in a visual agnosic. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 36(4), 814.

Marotta, J.J., Perrot, T.S., Nicolle, D., Servos, P. & Goodale, M.A. (1994). Adapting to monocular vision: Grasping with one eye. The Association for Research in Vision and Opthalmology (ARVO), Investigative Ophthalmology & Visual Science, 35(4), 2030.

Saran, A.K., & Marotta, J.J. (2022). Is our ability to mentally simulate hand movements affected by aging? Virtual Centre on Aging 39th Annual Spring Research Symposium, 12.  

Saran, A.K., & Marotta, J.J. (2021). The effects of implicit motor imagery in normal aging using the hand laterality task. Virtual Centre on Aging 38th Annual Spring Research Symposium, 12.  

Abbas, H.H. & Marotta, J.J. (2019). Grasping in a cluttered environment: Avoiding obstacles under memory guidance. Program No. 491.01. 2019 Neuroscience Meeting Planner. Chicago, IL: Society for Neuroscience. Online.

Langridge & Marotta, J.J. (2019). Visually guided grasping: The influence of target shape, position, and direction of motion. Manitoba Neuroscience Network (MNN), 9, 25.

Carther-Krone, T.A., Lawrence-Dewar, J., Collegio, A.J., Nah, J.C., Shomstein, S & Marotta, J.J. (2019). Neural correlates of perceptual grouping are modulated by attention. Manitoba Neuroscience Network (MNN), 9, 16.

Abbas, H.H. & Marotta, J.J. (2019). Grasping remembered objects and avoiding obstacles along the way. Manitoba Neuroscience Network (MNN), 9, 15.

Langridge, R.W. & Marotta, J.J. (2018). Gaze and grasp preferences: The influence of target shape, position, and direction of motion. Manitoba Neuroscience Network (MNN), 8, 25.

Saran, A.K., Abbas, H.H. & Marotta, J.J. (2018). Eye-hand coordination: Differential effects of salient obstacles in visually-guided grasping. University of Manitoba Undergraduate Research Poster Competition. 

Thulasiram, M. & Marotta, J.J. (2018). Eye-hand coordination in reaching and grasping vertically translating targets. Faculty of ARTS Undergraduate Research Symposium.

Thulasiram, M. & Marotta, J.J. (2018). Eye-hand coordination in reaching and grasping vertically translating targets. Manitoba Neuroscience Network (MNN), 8, 29.

Langridge, R.W. & Marotta, J.J. (2017). Grasping 2D targets: The influence of shape and position on gaze and grasp accuracy. Program No. 495.10. 2017 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience. Online.

Belenya, R. & Marotta, J.J. (2017). Vision and action during a reaching and grasping task. Prairie Undergraduate Research Conference, 36, 10.

Thulasiram, M. & Marotta, J.J. (2017). Eye-hand coordination in reaching and grasping vertically translating targets. University of Manitoba Undergraduate Research Poster Competition.

Carther-Krone, T., Lawrence-Dewar, J., Shomstein, S., & Marotta, J.J. (2016). Neural correlates of perceptual grouping during a visual illusion. 2016 Neuroscience Meeting Planner. San Diego, CA: Society for Neuroscience. Online

Touchette, A., Langridge, R.W. & Marotta, J.J. (2016). The use of gaze and grasp strategies when grasping moving occluded objects. Prairie Undergraduate Research Conference, 35, 27-28.

Belenya, R. & Marotta, J.J. (2016). Vision and action during a reaching and grasping task. University of Manitoba Undergraduate Research Poster Competition. 

Leferink, C.A. & Marotta, J.J. (2015). Visuomotor strategies for grasping a rotating target. Prairie Undergraduate Research Conference, 34, 18.

Bulloch, M.C. & Marotta, J.J. (2014). Perception and action: Moving targets and the effects of speed and direction. Faculty of Arts Undergraduate Research Symposium, 3, 11.

Lazar, T., Shomstein, S., & Marotta, J.J. (2014). Parts-Based Processing in Autism. Program No. 156.06. 2014 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience. Online

Singer, A. & Marotta, J.J. (2014). Visuomotor control while reaching and grasping rotating targets. Prairie Undergraduate Research Conference, 33, 24.

Leferink, C.A., Stilton, H. & Marotta, J.J. (2014). Visuomotor strategies for grasping a rotating target. University of Manitoba Undergraduate Research Poster Competition. 

Bulloch, M.C. & Marotta, J.J. (2013). The Effects of Speed and Direction on Eye-Hand Coordination for Moving Targets. Prairie Undergraduate Research Conference, 32, 13.

Singer, A. & Marotta, J.J. (2013). Fixation patterns while reaching to grasp rotating objects. University of Manitoba Undergraduate Research Poster Competition.

Bulloch, M.C. & Marotta, J.J. (2013). Eye-hand coordination for moving targets: The effects of speed and direction. University of Manitoba Undergraduate Research Poster Competition.

Marotta, J.J. (2013). Posterior cortical atrophy: Insights into perception and action. Manitoba Neuroscience Network and the Manitoba/Ontario endMS Research and Training Centre, 4, 2. (Invited)

Lawrence-Dewar, J.M., Mckenzie, M., Baugh, L.A. & Marotta, J.J. (2012). Decline in visuomotor adaptation behavior in aging and stroke: A Viewing Window Study. Program No. 79.24. 2012 Neuroscience Meeting Planner. New Orleans, LA:Society for Neuroscience. Online.

Bulloch, M.C. & Marotta, J.J. (2012). Eye-hand coordination: Moving objects. University of Manitoba Undergraduate Research Poster Competition.

Szturm, T., Polyzoi, E., Peters, J., Ramanna, S., Marotta, J.J., Yaduvanshi, C. & Ravala, K. (2009). Feasibility and benefits of an innovative educational and exercise telegaming / telemonitoring program for young children with learning and movement disabilities. The Manitoba Institute of Child Health, 5th Annual Child Health Research Day, 52.

Hauri, B.R., Lawrence-Dewar, J.M. & Marotta, J.J. (2009). Visuomotor adaptation: Developing a visuomotor training paradigm. University of Manitoba NSERC Poster Competition.

Baugh, L.A. & Marotta, J.J. (2008). Differential effects of aging on a visuomotor paradigm. Centre on Aging 25^th Annual Spring Research Symposium.

Feloiu, F.D., Marotta, J.J., Vesia, M., Black, S.E., & Crawford, J.D. (2007). Visuomotor adaptation to reversing prisms in parietal patients performing a pointing task. Advances in Neurorehabilitation, 138, 3.

Adduri, C. & Marotta, J.J. (2007). Prosopagnosia in early stages of Alzheimer’s disease. Program No. 69.5. 2007 Abstract Viewer/Itinerary Planner. San Diego, CA: Society for Neuroscience. CD-ROM.

Baugh, L.A. & Marotta, J.J. (2007). Differential effects of aging on a visuomotor paradigm. Program No. 397.16. 2007 Abstract Viewer/Itinerary Planner. San Diego, CA:Society for Neuroscience. Online.

Meek, B.P., Rhode, L. & Marotta, J.J. (2007). Eye-hand coordination: What’re YOU looking at?! University of Manitoba NSERC Poster Competition.

Rhode, L., Baugh, L.A., Pearson, P.M., Jakobson, L.S., & Marotta, J.J. (2006). Colour-specific deficits in implicit colour working memory: A visuomotor case study. Canadian Society for Brain and Behaviour, and Cognitive Science, 59, 9.

Wilson, K.R., Pearson, P.M., & Marotta, J.J. (2006). Temporal integration limits of stereovision in visually guided grasping. Canadian Society for Brain and Behaviour, and Cognitive Science, 104, 10.

Wilson, R. & Marotta, J.J. (2006). Temporal integration limits of stereovision in visually guided grasping. Prairie Undergraduate Research Conference, 25, 18.

Adduri, C. & Marotta, J.J. (2006). Face recognition and aging. Centre on Aging 23^rd Annual Spring Research Symposium.

Adduri, C. & Marotta, J.J. (2006). Face recognition and aging. Canadian Society for Brain and Behaviour, and Cognitive Science, 54, 9.

Wilson, K.R., Atkins, M.A., Pearson, P., Timney, B., & Marotta, J.J. (2006). Differences in the temporal integration limits of stereovision in perception and action. Program No. 440.20. 2006 Abstract Viewer/Itinerary Planner. Atlanta, GA: Society for Neuroscience. CD-ROM.

Baugh, L.A. & Marotta, J.J. (2006). A new window into the interactions between perception and action. Program No. 440.21. 2006 Abstract Viewer/Itinerary Planner. Atlanta, GA: Society for Neuroscience. CD-ROM.

Wilson, K.R., Matheson, H., Pearson, P. & Marotta, J.J. (2006). Differences in the temporal integration limits of stereovision in perception and action. University of Manitoba NSERC Poster Competition.

Wilson, K.R., Matheson, H., Pearson, P. & Marotta, J.J. (2006). Temporal integration limits of stereovision in visually guided grasping. University of Winnipeg NSERC Poster Competition.

Rhode, L., Baugh, L.A., Pearson, P.M., Jakobson, L.S., & Marotta, J.J. (2006). Colour-specific deficits in implicit colour working memory: A visuomotor case study. Canadian Student Health Research Forum.

Adduri, C. & Marotta, J.J. (2006). Face recognition and aging. Canadian Student Health Research Forum.

Adduri, C. & Marotta, J.J. (2006). Face recognition and aging. Winnipeg Chapter of the Society for Neuroscience Brain Awareness Week. 

Adduri, C. & Marotta, J.J. (2006). Face recognition and aging. Centre on Aging, University of Manitoba Graduate Student Research Day. 

Feloiu F.D., Marotta, J.J., Black, S.E. & Crawford, J.D. (2005). Eye-hand coordination in right parietal-damaged patients performing a reversing prism pointing task. Program No. 287.22. 2005 Abstract Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience. CD-ROM.

Adduri, C. & Marotta, J.J. (2005). Does age influence face recognition? Prairie Undergraduate Research Conference, 24, 9.

Marotta, J.J., Keith, G.P. & Crawford, J.D. (2004). Visuomotor adaptation to reversing prisms (I): Separate parallel sensorimotor representations for reach and grasp. Program No. 603.3. 2004 Abstract Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience. CD-ROM.

Behrmann, M., Marotta, J.J., Gauthier, I., Tarr, M.J. & McKeeff, T.J. (2003). Neural correlates of behavioral change following Greeble training in prosopagnosia. Program No. 659.4. 2003 Abstract Viewer/Itinerary Planner. New Oreleans, LA: Society for Neuroscience. CD-ROM.

Marotta, J.J., Medendorp, W.P. & Crawford, J.D. (2002). Contributions of upper and lower arm to grasp orientation. Society for Neuroscience, Program No. 268.8. 2002 Abstract Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience. CD-ROM.

Marotta, J.J. & Goodale, M.A. (1997). The influence of familiar size on distance estimates. Vision for Reach and Grasp. University of Minnesota, 1, 33.

Marotta, J.J. & Goodale, M.A. (1997). Restricting head movements hampers reaching under monocular but not binocular viewing conditions. Society for Neuroscience, 23, 179.

Marotta, J.J. & Goodale, M.A. (1996). Height and distance in the visual field: Calibrating a monocularly guided reach. Society for Neuroscience, 22, 885.

Marotta, J.J., DeSouza, J.F.X., Haffenden, A.M. & Goodale, M.A. (1996). A pictorial illusion: The effects of monocular vision on perception and visually guided grasping. Margaret P. Moffat Graduate Research Day Abstracts, 1, 34.

Kruyer, A., Marotta, J.J. & Goodale, M.A. (1996). Grasping without depth information: A new cue-deprived environment. Margaret P. Moffat Graduate Research Day Abstracts, 1, 33.

Patla, A.E., Goodale, M.A., Rietdyk, S., Adkin, A., Silcher, C. & Marotta, J.J. (1995). Role of binocular vision in obstacle avoidance during locomotion. Society for Neuroscience, 21, 2083.

Marotta, J.J., Perrot, T.S., Nicolle, D., Servos, P. & Goodale, M.A. (1994). Grasping with one eye. Southern Ontario Neuroscience Association Abstracts, 14, 21.

Perrot, T.S., Goodale, M.A., Burns, P.M. & Marotta, J.J. (1994). Reaching and grasping with one eye: The role of movement. Southern Ontario Neuroscience Association Abstracts, 14, 24.

Marotta, J.J., Hargreaves, E.H., Ellard, C., Servos, P. & Carey, D.P. (1993). Spontaneous locomotor activity in the MT lesioned gerbil. Canadian Society for Brain and Behaviour, and Cognitive Science Programme and Abstracts, 3, 49.

Marotta, J.J. (April, 2023). A Perception and Action approach to Cognitive Neuroscience. Webinar presented to the Neurosciences Division (NSD) of the Canadian Physiotherapy Association (CPA). https://embodiaapp.com/ webinars/785-a-perception-and-action-approach-to-cognitive-neuroscience-neurosciences-division.

Marotta, J.J. (April, 2021). From patients to robots: A Perception and Action approach to Biomedical Engineering. Presented at the Biomedical Engineering Seminar, Biomedical Engineering, University of Manitoba, Ft. Garry Campus, Winnipeg, MB, Canada. 

Marotta, J.J. (May, 2018). Perception and Action: Strange things that patients do. Presented at the Centre on Aging 35th Annual Spring Research Symposium, Health Sciences Centre, University of Manitoba, Bannatyne Campus, Winnipeg, MB, Canada.

Marotta, J.J. (March, 2018). Neuropsychological investigations of parts-based perceptual processing. Presented to the Human Functional Imaging Core, Division of Basic Biomedical Sciences, Sanford School of Medicine, University of South Dakota, Vermillion, SD, USA.

Marotta, J.J. (April, 2017). Perception and Action: Strange things patients do. Presented to the Institut Collégial Vincent Massey Collegiate, Winnipeg, MB, Canada.

Marotta, J.J. (March, 2015). Posterior Cortical Atrophy: Insights into Perception and Action. Presented to the Centre on Aging, University of Manitoba, Winnipeg, MB, Canada.

Lawrence-Dewar, J.M., Mckenzie, M., Baugh, L.A. & Marotta, J.J. (October, 2012). Decline in visuomotor adaptation behavior in aging and stroke: A Viewing Window Study. Presented to Occupational Therapy, Riverview Health Centre, Winnipeg, MB, Canada.

Marotta, J.J. (March, 2012). Perception and Action: Posterior Cortical Atrophy. Presented at the Cognitive Neuroscience Minisymposium, as part of the Society for Neuroscience’s (Manitoba Chapter) Brain Awareness Week 2012, University of Manitoba, Bannatyne Campus, Winnipeg, MB, Canada.

Prime, S.L. & Marotta, J.J. (March, 2012). Gaze strategies during visually-guided versus memory-guided grasping. Presented at the Cognitive Neuroscience Minisymposium, as part of the Society for Neuroscience’s (Manitoba Chapter) Brain Awareness Week 2012, University of Manitoba, Bannatyne Campus, Winnipeg, MB, Canada.

Marotta, J.J. (November, 2010). Insights into perception and action: Agnosia. Presented to the Society for Neuroscience (Manitoba Chapter) as part of the Manitoba Neuroscience Network Seminar Series and the University of Manitoba Clinical Neuroscience Rounds, University of Manitoba, Bannatyne Campus, Winnipeg, MB, Canada.

Baugh, L.A.. & Marotta, J.J. (May, 2009). Utilizing fMRI for Neuropsychological Research: Facts, Fables, and Features. Rupert’s Land Consumer Behaviour Symposium, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (April, 2008). Vision for perception and action: Interactions. Presented to the Department of Psychology and the Center for Visual Neuroscience, North Dakota State University, Fargo, ND, USA.

Baugh, L.A. & Marotta, J.J. (February, 2008). When what’s left is right: Parietal based visuomotor performance in an aged population. Presented to the Sections of Neurology and Neurosurgery, Neuroscience Grand Rounds, Health Sciences Centre, University of Manitoba, Bannatyne Campus, Winnipeg, MB, Canada.

Baugh, L.A. & Marotta, J.J. (February, 2008). Visuomotor control in an aged population. Presented to the Spinal Cord Research Centre, Department of Physiology, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (November, 2007). Perception and action: aging, stroke, and neurological impairments. Presented to the National Research Council Institute for Biodiagnostics (NRC-IBD), Winnipeg, MB, Canada. Webcast to NRC-IBD (Atlantic), Halifax, NS, Canada.

Marotta, J.J. (October, 2007). Perception and action: aging, stroke, and neurological impairments. Presented at the CIHR’s Institute of Mental Health Neuroscience and Addiction’s Institute Advisory Board (IAB) 28th Meeting, Winnipeg, MB, Canada.

Marotta, J.J. (October, 2007). Perception and action: aging, stroke, and neurological impairments. Presented to Riverview Health Centre, Grand Rounds, Winnipeg, MB, Canada.

Marotta, J.J. (August, 2007). Neuropscyhology of vision: perception and action. Presented to Occupational Therapy, Riverview Health Centre, Winnipeg, MB, Canada.

Rhode, L. & Marotta, J.J. (May, 2007). Learned perceptual associations in perception and action: Differences in specificity. Presented to the Sections of Neurology and Neurosurgery, Neuroscience Grand Rounds, Health Sciences Centre, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. & Adduri, C. (May, 2007). Perception and action: aging, stroke, and Alzheimer’s disease. Presented at the Centre on Aging 24th Annual Spring Research Symposium, Health Sciences Centre, University of Manitoba, Bannatyne Campus, Winnipeg, MB, Canada.

Marotta, J.J. & Adduri, C. (April, 2007). Perception and action: aging, stroke, and Alzheimer’s disease. Presented to Centre on Aging, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (June, 2006). Visual and visuomotor malfunctions. Presented to Rehabilitation Services, Inservice Program in Rehabilitation Services, St. Boniface General Hospital, Winnipeg, MB, Canada.

Marotta, J.J. (February, 2006). What does a talk on the visual system have to do with motor control? Presented to the Spinal Cord Research Centre, Department of Physiology, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (January, 2006). Neuropsychology of vision: Perception and action. Presented to the Department of Ophthalmology, Ophthalmology Grand Rounds, Misericordia Health Centre, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (September, 2005). Hemispatial Neglect: A multidisciplinary investigation of the effects on visual perception and visually guided action. Presented to the Sections of Neurology and Neurosurgery, Neuroscience Rounds, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (October, 2004). Visuomotor adaptation to reversing prisms: Separate parallel sensorimotor representations for reach and grasp. Presented to the Cognitive Psychology Area, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (March, 2004). Vision for perception and action: Neuropsychological investigations. Presented to the Department of Psychology, University of Saskatchewan, Saskatoon, SK, Canada.

Marotta, J.J. (March, 2004). Vision for perception and action: Neuropsychological investigations. Presented to the Department of Psychology, University of Manitoba, Winnipeg, MB, Canada.

Marotta, J.J. (January, 2004). Vision for perception and action: Neuropsychological investigations. Presented to the Department of Psychology, Atkinson Faculty of Liberal and Professional Studies, York University, Toronto, ON, Canada.

Marotta, J.J. (January, 2004). Vision for perception and action: Neuropsychological investigations. Presented to the Department of Psychology at Wayne State University, Detroit, MI, USA.

Marotta, J.J. (December, 2003). Hemispatial Neglect: Visual and Visuomotor impairments. Presented to the Centre for Stroke Recovery, Sunnybrook and Women’s Health Sciences Centre, Toronto, ON, Canada.

Marotta, J.J. (April, 2003). Vision for perception and action: Visual and visuomotor representations. Presented to the Life Science Department at University of Toronto Scarborough Campus, Toronto, ON, Canada.

Marotta, J.J. (March, 2003). Vision for perception and action: Visual and visuomotor representations. Presented to the Department of Psychology at York University, Toronto, ON, Canada.

Marotta, J.J. (March, 2002). Neuropsychological investigations of the dorsal and ventral streams of visual processing. Presented to the Centre for Vision Research at York University, Toronto, ON, Canada.

Marotta, J.J. (April, 1999). The visual control of grasping: The role of monocular cues. Presented to the Department of Kinesiology at York University, Toronto, ON, Canada.

Marotta, J.J. (September, 1998). The visual control of grasping. Presented to the Center for the Neural Basis of Cognition, Pittsburgh, PA, USA.

Marotta, J.J. (April, 1998). The visual control of grasping: The role of monocular cues. Presented to the Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA.

Marotta, J.J. (February, 1998). The visual control of grasping: The role of monocular cues. Presented to the Center for Magnetic Resonance Research (CMRR), University of Minnesota, Minneapolis, MN, USA.

Langridge, R.W. & Marotta, J.J. (June, 2020). 2D and 3D stimuli both generate stable digit placement during a manipulation task. Presented at the annual meeting of the Vision Sciences Society. Virtual presentation due to Covid-19.

Carther-Krone, T.A. & Marotta, J.J. (June, 2018). Perceiving without seeing: Examining pre-attentive perceptual grouping using the Ponzo Illusion. Presented at the annual meetings of the Manitoba Neuroscience Network, Winnipeg, MB, Canada. (Invited)

Marotta, J.J. (June, 2013). Posterior cortical atrophy: Insights into perception and action. Presented at the annual meetings of the Manitoba Neuroscience Network and the Manitoba/Ontario endMS Research and Training Centre, Winnipeg, MB, Canada. (Invited)

Marotta, J.J. (2010). Posterior Cortical Atrophy: Insights into perception and action. Presented in the Perception and Cognition: What we can learn from diverse populations symposium at the annual meeting of the Canadian Psychological Association, Winnipeg, MB, Canada. (Refereed)

Marotta, J.J., Keith, G.P. & Crawford, J.D. (2004). Visuomotor adaptation to reversing prisms (I): Separate parallel sensorimotor representations for reach and grasp. Society for Neuroscience, San Diego, CA, USA.

Marotta, J.J. & Goodale, M.A. (May, 1998). Familiar size: Calibrating a monocularly guided reach. Presented at the annual meeting of the Association for Research in Vision and Ophthalmology (ARVO), Fort Lauderdale, FL, USA. (Refereed)

Marotta, J.J. & Goodale, M.A. (May, 1995). Binocular contribution to size and distance estimation during grasping in a visual agnosic. Presented at the annual meeting of the Association for Research in Vision and Ophthalmology (ARVO), Fort Lauderdale, FL, USA. (Refereed)

Marotta, J.J. & Goodale, M.A. (November, 1994). Binocular contribution to size and distance estimation during grasping in a visual agnosic. Presented at the annual meeting of the Southern Ontario Neuropsychology Group, University of Guelph, Guelph, ON, Canada. (Invited)