RuCCS Colloquia

Mel Goodale (University of Western Ontario)
Visual Duplicity: Recent fMRI and Behavioral Evidence for Duplex Visual Processing for Perception and Action

Melvyn A. Goodale, Ph.D., F.R.S.C.

Canada Research Professor in Visual Neuroscience

The University of Western Ontario 

 

Visual Duplicity: Recent fMRI and Behavioral Evidence for Duplex Visual Processing for Perception and Action

Visual systems first evolved not to enable animals to see, but to provide distal sensory control of their movements. Vision as 'sight' is a relative newcomer on the evolutionary landscape, but its emergence has enabled animals to carry out complex cognitive operations on perceptual representations of the world.  Behavioral and fMRI studies will be presented that provide evidence of separate processing for visuomotor control and perceptual representations.   Converging lines of research suggest that these two functions of vision are mediated by separate cortical visual pathways arising from area V1 in the human cerebral cortex: a dorsal �action� pathway projecting to the posterior parietal cortex and a ventral �perception� pathway projecting to inferior temporal cortex.   As the behavioral and fMRI studies indicate, these cortical pathways (which appear to be homologous with corresponding pathways in the monkey) make use of different metrics and different frames of reference in carrying out their computations.  Both streams work together in the production of goal-directed behaviour.


The RuCCS Colloquia Series is organized by Dr. Manish Singh. The talks are held on Tuesdays in the Psychology Building, Room 101 on the Busch Campus from 1:00-2:30pm.

After each talk from 2:30-3:00pm a coffee service is provided in the Center for Cognitive Science Room A139. All are invited to come and meet the speaker.

Note: If you would like to receive email announcements about the colloquium series, please contact the Business Office to have your name added to our announce lists at business_manager@ruccs.rutgers.edu.

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