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Unaffected Perceptual Thresholds for Biological and Non-Biological Form-from-Motion Perception in Autism Spectrum Conditions [PDF]

PLoS ONE, 2010
Background: Perception of biological motion is linked to the action perception system in the human brain, abnormalities within which have been suggested to underlie impairments in social domains observed in autism spectrum conditions (ASC).
Ayse Pinar SAYGIN, Sarah-Jayne Blakemore, Jennifer Cook   +2 more
exaly   +3 more sources

Surface texture can bias tactile form perception [PDF]

Experimental Brain Research, 2010
The sense of touch is believed to provide a reliable perception of the object’s properties; however, our tactile perceptions could be illusory at times. A recently reported tactile illusion shows that a raised form can be perceived as indented when it is
Masashi Nakatani, Robert Howe, Tachi Susumu   +2 more
exaly   +2 more sources

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The perception of form and motion

Current Opinion in Neurobiology, 1993
Although form and motion are two distinct aspects of visual processing, they do not start as separate entities in the visual system. Early analyses extract discontinuities in various image attributes and these can trace the outline of a form. When displaced, the same image features can give rise to impressions of motion. Recent work has overturned many
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Form Perception without Attention

Quarterly Journal of Experimental Psychology, 1976
Methods were devised which made it possible for subjects to look directly at novel forms without attending to them. In one method a state of inattention was achieved without the use of distracting or competing material whereas in a second method the subjects selectively attended to one series of moving figures rather than another simultaneously ...
I, Rock, R, Schauer, F, Halper
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Force of Symmetry in Form Perception

The American Journal of Psychology, 1984
Many objects, natural and manufactured, have at least one axis of symmetry; thus, the detection of symmetry could facilitate the detection and representation of objects. Literature is reviewed that supports the notion that humans have effective and efficient symmetry-detection ability.
J, Freyd, B, Tversky
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Attentional Biases in Geometric form Perception

The Quarterly Journal of Experimental Psychology Section A, 2000
This paper reports the operation of robust attentional bias to the top and right during perception of small, single geometric forms. Same/different judgements of successively presented standard and comparison forms are faster when local differences are located at top and right rather than in other regions of the forms.
C, Latimer, C, Stevens, M, Irish, L, Webber   +3 more
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Body Locus and Form Perception

Perceptual and Motor Skills, 1977
Forms were drawn on the palms, forearms, or biceps of 42 subjects, with vision excluded. Subjects were then required to make a visual match to the drawn forms. It was expected that the accuracy of form recognition would be a direct function of the sensitivity of the receptor surface.
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Cortical dynamics of form perception

Proceedings of the International Joint Conference on Neural Networks, 2003., 2004
The neocortex is the seat of all higher biological intelligence. All sensory and cognitive neocortex is organized into layered circuits. A recent family or LAMINART models proposes how these layered circuit embody bottom-up, top-down, and horizontal interactions within the visual cortex to generate percepts of visual form.
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