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Visual hemispheric asymmetry and right-left confusion.

D Manga, S Ballesteros

Perceptual and Motor Skills

|June 1, 1987

Summary

Individuals with high right-left confusion show greater hemispheric bilateralization, suggesting differences in brain functioning related to body image formation. This impacts perceptual asymmetry in cognitive tasks.

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Area of Science:

Cognitive Neuroscience
Psychology
Cerebral Function

Background:

Right-left confusion is a common phenomenon.
Cerebral functioning models explain body image formation.
Perceptual asymmetry may relate to cognitive differences.

Purpose of the Study:

To investigate the relationship between right-left confusion and perceptual asymmetry.
To explore hemispheric differences in women with varying degrees of right-left confusion.
To test a model of cerebral functioning in body image formation.

Main Methods:

Selected two groups of 8 women each from 357 university students based on self-reported right-left confusion.
Recorded reaction times to stimuli presented in visual hemifields.
Analyzed perceptual asymmetry and its relation to right-left confusion.

Main Results:

Found a significant difference in hemifield responses.
Observed a significant interaction between hemifield and group.
Asymmetry was less related to confusion in the highly confused group.

Conclusions:

High right-left confusion is associated with greater hemispheric bilateralization.
Suggests distinct cerebral functioning patterns in individuals with high right-left confusion.
Supports models of body image formation involving hemispheric processing.

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