Information-Accumulation Theory of Speeded Categorization

A process model of perceptual categorization is presented, in which it is assumed that the earliest stages of categorization involve gradual accumulation of information about object features. The model provides a joint account of categorization choice proportions and response times by assuming that...

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Published in:Psychological review 2000-04, Vol.107 (2), p.227-260
Main Author: Lamberts, Koen
Format: Article
Language:English
Subjects:
Biological and medical sciences
Choice Behavior
Classification (Cognitive Process)
Cognition & reasoning
Fundamental and applied biological sciences. Psychology
Humans
Information
Models, Psychological
Perception
Perceptions
Psychological Theory
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reaction Time
Theories
Vision
Visual Perception
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description A process model of perceptual categorization is presented, in which it is assumed that the earliest stages of categorization involve gradual accumulation of information about object features. The model provides a joint account of categorization choice proportions and response times by assuming that the probability that the information-accumulation process stops at a given time after stimulus presentation is a function of the stimulus information that has been acquired. The model provides an accurate account of categorization response times for integral-dimension stimuli and for separable-dimension stimuli, and it also explains effects of response deadlines and exemplar frequency.
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1939-1471
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source International Bibliography of the Social Sciences (IBSS); EBSCOhost APA PsycARTICLES
subjects Biological and medical sciences
Choice Behavior
Classification (Cognitive Process)
Cognition & reasoning
Fundamental and applied biological sciences. Psychology
Humans
Information
Models, Psychological
Perception
Perceptions
Psychological Theory
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reaction Time
Theories
Vision
Visual Perception
title Information-Accumulation Theory of Speeded Categorization
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