Critical factors for global shape processing in human vision.

Robert John Green

doi:10.4225/23/5ae2758b132ba

Critical factors for global shape processing in human vision.

Robert John Green

School of Psychological Science

Research output: Thesis › Doctoral Thesis

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Abstract

This thesis investigates the critical factors involved in the integration of visual information into simple shapes. Using an array of different methodologies, strong evidence is found for the global processing of low-frequency radial frequency (RF) patterns, a family of well-controlled stimuli used to investigate shape coding. The thesis shows how to test for global processing of shapes and also found the first evidence for a common mechanism of processing motion-defined RF patterns and contour-defined RF patterns, showing an extraction of spatial form from the motion of a simple dot and concluding that some shapes are globally processed in human vision.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Badcock, David, Supervisor Dickinson, James Edwin, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	3 Apr 2018
DOIs	https://doi.org/10.4225/23/5ae2758b132ba
Publication status	Unpublished - 2018

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THESIS - DOCTOR OF PHILOSOPHY - GREEN Robert John - 2018
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AB - This thesis investigates the critical factors involved in the integration of visual information into simple shapes. Using an array of different methodologies, strong evidence is found for the global processing of low-frequency radial frequency (RF) patterns, a family of well-controlled stimuli used to investigate shape coding. The thesis shows how to test for global processing of shapes and also found the first evidence for a common mechanism of processing motion-defined RF patterns and contour-defined RF patterns, showing an extraction of spatial form from the motion of a simple dot and concluding that some shapes are globally processed in human vision.

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KW - RF patterns

KW - Signal Detection Theory

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Critical factors for global shape processing in human vision.

Abstract

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