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Hemisphere priming through practice in a musical chords task.

A Burton¹, P Wilson

¹Department of Psychology, Polytechnic of East London, U.K.

Neuropsychologia

|January 1, 1990

Summary

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Priming did not selectively activate brain hemispheres for chord analysis. However, repeated practice consistently shifted performance towards right-ear (left-hemisphere) advantages, indicating enhanced analytic processing.

Area of Science:

Cognitive Neuroscience
Neuropsychology
Auditory Perception

Background:

Investigating selective brain hemisphere activation is crucial for understanding cognitive processes.
Previous research suggests priming can influence cognitive task performance and neural activity.

Purpose of the Study:

To determine if local or global priming selectively activates specific brain hemispheres.
To examine the effects of priming on ear advantage in a chord analysis task.

Main Methods:

30 subjects performed a monoaural chord analysis task.
Participants received either local, global, or no priming before task re-administration.
Ear advantage scores were analyzed to infer hemisphere involvement.

Related Experiment Videos

Main Results:

The hypothesis that priming would lead to selective hemisphere activation was not supported.
A significant practice effect was observed across all groups, with a shift from left-ear to right-ear advantage.
This practice effect indicates increased left hemisphere engagement with task familiarity.

Conclusions:

Local/global priming did not induce selective hemisphere activation for this task.
Repeated exposure to the chord analysis task promoted analytic processing strategies, primarily involving the left hemisphere.
The findings highlight the role of practice in shaping cognitive strategy and hemispheric engagement.