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01-11-2007 | Original Article

Visual attention and the mechanism of metacontrast

Auteurs: Odmar Neumann, Ingrid Scharlau

Gepubliceerd in: Psychological Research | Uitgave 6/2007

Abstract

The U-shaped metacontrast function may result from the superimposition of two monotonic components which reflect the effects of mechanisms similar to the peripheral and central processes suggested for backward pattern masking by Turvey (Psychol Rev 80:1–52, 1973). In an experiment using the disc-ring paradigm, it was demonstrated that the decreasing and increasing branches of the metacontrast function are differently affected by the exposure duration of the mask and a task-irrelevant stimulus (distractor) appearing in the contralateral visual hemifield. The phenomenal representation of masking is different for the two parts of the curve. It is suggested that masking in the second part of the masking function, but not in the first, is related to the control of visual attention.

vorige artikel History of experimental psychology from an Estonian perspective

volgende artikel Different effects of the two types of spatial pre-cueing: what precisely is “attention” in Di Lollo’s and Enns’ substitution masking theory?

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Titel: Visual attention and the mechanism of metacontrast
Auteurs: Odmar Neumann
Ingrid Scharlau
Publicatiedatum: 01-11-2007
Uitgeverij: Springer-Verlag
Gepubliceerd in: Psychological Research / Uitgave 6/2007
Print ISSN: 0340-0727
Elektronisch ISSN: 1430-2772
DOI: https://doi.org/10.1007/s00426-006-0061-7

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