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Jason J S Barton MD PhD FRCPC

Professor, Medicine (Neurology), Ophthalmology and Visual Sciences

Department of Psychology, Neuroscience Graduate Program, Brain Research Center

Other Titles
Canada Research Chair

Lab Website
Human Vision and Eye Movement Laboratory


Research Description:

The Human Vision and Eye Movement Laboratory studies higher cerebral visual and ocular motor function in people. We use three main methodologic approaches: normal human psychophysics, studies in neurologic populations, and MRI studies (fMRI and DTI), supplemented by collaborations with researchers using event-related potentials and MEG. Our study areas include two main themes:

  1. object recognition: we have an extensive program investigating face recognition as the best paradigm of high-level object recognition. We direct a multi-center study of acquired prosopagnosia, recruiting patients internationally for extensive fMRI, behavioural, MEG and ERP testing. We are investigating face adaptation effects and spatial frequency preferences as well. In addition to face recognition we have programs on navigational orientation and object expertise.

  2. saccadic programming: we explore how saccades can be used to inform us about volitional control, in the performance of antisaccades. We examine how these difficult eye movements reveal the influences of distractors on trajectory, the inter-trial contexts that change one eye movement as a function of the previous response, and how goal representations interact in space and time. These behavioural results are translated into paradigms for fMRI work and studies in schizophrenia.

Additional areas of study include the attentional processing in Balint's syndrome, scanpath generation in face and scene processing by controls, autistic subjects and patients with visual agnosia, and the neuroanatomy of motion processing in collaboration with Debbie Giaschi.

Lab Staff

Fusiform Face
Magnetic resonance image of a healthy subject from a functional imaging experiment, contrasting brain signal when viewing faces versus other objects: the red region is the 'Fusiform face area'.


Recent Publications

(Full List)

Abegg M, Manoach DS, Barton JJS. Knowing the future: partial foreknowledge effects on the programming of prosaccades and antisaccades. Vision Res 2011; 51: 215-21.

Abegg M, Sharma N, Barton JJS. Antisaccades generate two types of saccadic inhibition. Biol Psychol 2012; 89: 191-4.

Dalrymple KA, Birmingham E, Bischof W, Barton JJS, Kingstone A. Experiencing simultanagnosia through windowed viewing of complex social scenes. Brain Res 2011; 1367: 265-77.

Dalrymple KA, Birmingham E, Bischof W, Barton JJS, Kingstone A. Opening a window on attention: Documenting and simulating recovery from simultanagnosia. Cortex 2011; 47: 787-99.

Dalrymple KA, Oruç I, Duchaine B, Fox CJ, Iaria G, Handy TC, Barton JJS. The neuroanatomic basis of the face-selective N170 in acquired prosopagnosia: a combined ERP/fMRI study. Neuropsychologia 2011; 49: 2553-63.

Dyckman KA, Lee AKC, Agam Y, Isom M, Friedman J, Goff DC, Barton JJS, Manoach DS. Abnormally persistent fMRI activation during antisaccades in schizophrenia: a neural correlate of perseveration? Schizophrenia Res 2011; 132: 62-8 .

Fox CJ, Hanif HM, Iaria G, Duchaine BC, Barton JJS. Perceptual and anatomic patterns of selective deficits in facial identity and expression processing. Neuropsychologia 2011; 49: 3188-200.

Lai M, Oruç I, Barton JJS. Facial age aftereffects show partial identity invariance and transfer from hands to faces. Cortex 2012: 48: 477-86.

Lee AKC, Hämäläinen MS, Dyckman KA, Barton JJ, Manoach DS. Saccadic preparation in frontal eye field is modulated by distinct trial history effects as revealed by magnetoencephalography. Cerebral Cortex 2011; 21: 245-53.

Lim TS, Lee HY, Barton JJS, Moon SY. Deficits in face perception in the amnestic form of mild cognitive impairment. J Neurol Sci 2011; 309: 123127.

Liu I, Levy RM, Barton JJS, Iaria G. Age and gender differences in various topographic strategies. Brain Res 2011; 1410: 112-9.

Ogun O, Viswanathan J, Barton JJS. The effect of central (macula) sparing on contralateral line bisection bias: a study with virtual hemianopia. Neuropsychologia 2011; 49: 3377-82.

Oruç I, Barton JJS. Adaptation improves face identity discrimination. Proc Roy Soc Lond B Biol Sci 2011; 278: 25912597.

Oruç I, Guo XM, Barton JJS. Gender in facial representations: a contrast-based study of adaptation within and between the sexes. PLoSONE 2011; 6: e16251.

Oruç I, Krigolson O, Dalrymple K, Nagamatsu LS, Handy TC, Barton JJS. Bootstrap analysis of the single subject with event related potentials. Cogn Neuropsychol 2011; 28: 322-37.

Pfeffer G, Abegg M, Vertinsky AT, Ceccherini I, Caroli F, Barton JJS. The ocular motor features of adult-onset Alexander disease: a case and review of the literature. J Neuroophthalmol 2011; 31: 155-9.

Pichler P, Dosani M, Oruç I, Barton JJS. The nature of upright and inverted face representations:   an adaptation-transfer study of configuration. Cortex 2012; 48: 725-36.

Ross M, Lanyon LJ, Viswanathan J, Manoach DS, Barton JJS. Human prosaccades and antisaccades under risk: effects of penalties and rewards on visual selection and action value. Neuroscience 2011; 196: 168-77.

Sharp M, Viswanathan J, Lanyon LJ, Barton JJS. Sensitivity and bias in decision-making under risk: evaluating the perception of reward, its probability and value. PLoSONE 2012; 7: e33460: 1-9.

Sheldon C, Abegg M, Sekunova A, Barton JJS. The word-length effect in acquired alexia, real and virtual hemianopia .   Neuropsychologia 2012; 50: 841-51.

Simpson S, Abegg M, Barton JJS. Rapid adaptation of visual search in simulated hemianopia. Cerebral Cortex 2011; 21: 1593-601.

Van der Stigchel S, Nijboer TCW, Bergsma DP, Barton JJS, Paffen CLE. Measuring palinopsia: characteristics of a persevering visual sensation from cerebral pathology. J Neurol Sci 2012; 316: 184-8.




Last reviewed: 28-Aug-2012

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