Mather, George (1980) The movement aftereffect and a distribution-shift model for coding the direction of visual movement. Perception, 9 (4). pp. 379-392. ISSN 0301-0066
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At present the only widely accepted explanation for the movement aftereffect is Sutherland's so-called ratio model, which states that motion is coded by taking the ratio between the outputs of detectors tuned to opposite directions. However, as yet there have been few attempts to derive predictions from the model in the context of movement aftereffects and test them experimentally. This paper reports experiments which attempt to determine whether such a simple model is sufficient, or requires additional assumptions which recast it in a form more akin to the distribution-shift models used in other domains (which assume comparisons between outputs in the whole population of direction detectors, rather than just those tuned to opposite directions). These experiments examined the interactive effects of two simultaneous directions on subsequent aftereffect durations and directions. The results obtained are difficult to explain in terms of a simple ratio model but can be incorporated into a more complex distribution-shift type model.
|Keywords:||afterimage, central nervous system, human cell, movement (physiology), movement perception, normal human, visual system, Adaptation, Ocular, Adult, Female, Human, Male, Models, Biological, Motion Perception, Orientation, Visual Perception|
|Subjects:||B Subjects allied to Medicine > B140 Neuroscience|
C Biological Sciences > C830 Experimental Psychology
|Divisions:||College of Social Science > School of Psychology|
|Deposited By:||George Mather|
|Deposited On:||03 Dec 2014 16:38|
|Last Modified:||03 Dec 2014 16:38|
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