Task difficulty reduces the left visual hemispace bias for judgments of emotion in chimeric faces.

Full Abstract

A prior study (Carbary, Almerigi, & Harris, 2001) of adults' judgments of emotional chimeric faces showed that the left visual hemispace (LVH) bias normally found on a free-viewing chimeric faces test is reduced when the task is judged to be difficult. Taking into account theory and research on hemispheric differences in styles, or strategies, of information processing, we proposed that the reduction was related to a change in these strategies. Two new experiments are presented that independently manipulate task difficulty and show the same task difficulty-related effect as in our prior study. Data are also presented suggesting that the strategy most commonly adopted for difficult judgments is part-based or feature-oriented, whereas the strategy most commonly adopted for easy judgments is reliance on "first impression."

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Author information

Author/s: Carbary, Timothy J (TJ); Almerigi, Jason B (JB); Harris, Lauren Julius (LJ);

Affiliation: Michigan State University, East Lansing, USA. harrisl(-atsign-)msu.edu

Journal and publication information

Publication Type: Journal Article

Journal: Brain and cognition (Brain Cogn), published in United States. (Language: eng)

Reference: -2002 Mar-Apr; vol 48 (issue 2-3) : pp 304-11

Dates: Created 2002/05/27; Completed 2002/10/16; Revised 2006/11/15;

PMID: 12030457, 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.

Affect
Brain - physiology
Facial Expression
Female
Functional Laterality - physiology
Humans

Humans
Judgment
Male
Random Allocation
Visual Fields - physiology
Visual Perception - physiology

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