Temporal parameters and time course of perceptual latency priming.

Full Abstract

Visual stimuli (primes) reduce the perceptual latency of a target appearing at the same location (perceptual latency priming, PLP). Three experiments assessed the time course of PLP by masked and, in Experiment 3, unmasked primes. Experiments 1 and 2 investigated the temporal parameters that determine the size of priming. Stimulus onset asynchrony was found to exert the main influence accompanied by a small effect of prime duration. Experiment 3 used a large range of priming onset asynchronies. We suggest to explain PLP by the Asynchronous Updating Model which relates it to the asynchrony of 2 central coding processes, preattentive coding of basic visual features and attentional orienting as a prerequisite for perceptual judgments and conscious perception.

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Author information

Author/s: Scharlau, Ingrid (I); Neumann, Odmar (O);

Affiliation: Department of Psychology, Bielefeld University, P.O. Box 10 01 31, D-33501 Bielefeld, Germany. ingrid.scharlau(-atsign-)uni-bielefeld.de

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Acta psychologica (Acta Psychol (Amst)), published in Netherlands. (Language: eng)

Reference: 2003-Jun; vol 113 (issue 2) : pp 185-203

Dates: Created 2003/05/16; Completed 2003/07/08; Revised 2006/11/15;

PMID: 12750048, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Attention
Female
Humans
Male

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