Effects of aging on perceptual organization: efficacy of stimulus features

Experimental Aging Research
Daniel D Kurylo

Abstract

Perceptual organization represents an intermediate level of visual processing, subordinate to higher-order processes such as object recognition. Previous studies of perceptual organization in aging are inconclusive, varying in the cognitive capacities measured and the nature of the stimulus. To determine characteristics of perceptual organization in aging, young and elderly participants discriminated patterns organized by basic visual components: line-orientation, color, flicker, or motion. Psychophysical measurements determined organization thresholds and processing times. Age-related impairment occurred with line-orientation and flicker, but not color and motion. These results indicate that perceptual organization capacities in aging depend on the stimulus feature upon which organization is based.

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Citations

Jun 1, 2013·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Voyko KavcicBojan Zalar
Jun 24, 2008·Physiology & Behavior·Daniel D Kurylo, Yunglin Gazes
Apr 14, 2016·Experimental Aging Research·James R HoustonDavid J Madden
Feb 25, 2011·Vision Research·Eugenie RoudaiaAllison B Sekuler
Sep 2, 2014·Vision Research·Teresa TannazzoFarhan Bukhari
Oct 4, 2008·Vision Research·Eugenie RoudaiaAllison B Sekuler
Aug 8, 2007·Schizophrenia Research·Daniel D KuryloPamela D Butler
Dec 22, 2010·The Journal of Genetic Psychology·Darcia NarvaezChristyan Mitchell

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