Spatial and Temporal Interactions in Vision

6th Symposium: June 11-13, 1970

Electrophysiological investigations of spatial-temporal interactions I: peripheral mechanisms
Chair: Robert Doty

Robert B. Barlow, Syracuse University
On contrast effects in the limulus lateral eye

C. Enroth-Cugell & L. Pinto, Northwestern University
Retinal ganglion cells of center surround organization; the two response mechanisms studied in isolation and how they together tell the ganglion cell what to do

Electrophysiological investigations of spatial-temporal interactions II: central mechanisms
Chair: Lorrin A. Riggs

L. Henk van der Tweel, Laboratory of Medical Physics, Amsterdam, Netherlands
Cortical evoked responses in man to spatial contrast variations

John C. Armington, Northeastern University
Visual responses to alternating patterned stimuli

William Wooten, Harvard University
Scotopic and photopic contributions to the visually evoked cortical potential (VECP)

Samuel Sokol, Brown University
Electrical and psychophysical responses of the human visual system to modulated light

Investigations of spatial parameters in vision
Chair: Jacob Nachmias

Mathew Alpern, University of Michigan
Size of the rod and cone signals derived psychophysically from spatial-temporal interactions experiments

George Sperling, Bell Laboratories
Simple model of spatial visual interactions

Robert Sekuler, Northwestern University
Psychophysical studies of visual motion

Temporal Parameters of flicker and flash thresholds
Chair: John Z. Levinson

Peter Hallett, University of Toronto, Canada
The time course in the threshold disturbance caused by transients in background lighting

Donald H. Kelly, Stanford Research Institute
Theory of flickering pattern thresholds

Cyril Rashbass, Institute of Psychiatry, London, England
The visual statistician

Interactions among chromatic mechanisms
Chair: Tom N. Cornsweet

John Krauskopf, Bell Laboratories
Consequences of probability summation among chromatic mechanisms

Daniel Green, University of Michigan Hospital
Spatial interactions among color mechanisms

Organizing Committee:
Mathew Alpern
Donald H. Kelly
Robert T. Kintz