Are Creativity and Schizotypy Products of a Right Hemisphere Bias?

Prior research has shown associations between higher creativity (e.g., semantic association, verbal fluency), higher schizotypy (e.g., magical ideation), and relatively stronger right hemisphere laterality measures—when each of the three pairings has been studied individually. Our prior study relate...

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Bibliographic Details
Published in:Brain and cognition 2002-06, Vol.49 (1), p.138-151
Main Authors: Weinstein, Sara, Graves, Roger E.
Format: Article
Language:English
Subjects:
Adult
Anatomical correlates of behavior
Behavioral psychophysiology
Bias
Biological and medical sciences
Brain - physiology
Creativity
Female
Functional Laterality - physiology
Fundamental and applied biological sciences. Psychology
Humans
Key Words: creativity
laterality
Male
Phonetics
Psychological Theory
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Schizotypal Personality Disorder - epidemiology
Schizotypal Personality Disorder - psychology
schizotypy
signal detection theory
Surveys and Questionnaires
Word Association Tests
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Summary:Prior research has shown associations between higher creativity (e.g., semantic association, verbal fluency), higher schizotypy (e.g., magical ideation), and relatively stronger right hemisphere laterality measures—when each of the three pairings has been studied individually. Our prior study related creativity and schizotypy to signal detection theory response criterion aspects of laterality. The present study attempted to integrate findings regarding these three constructs and to replicate the signal detection theory laterality results by providing measures of all three constructs in a within subjects design. Participants were 60 undergraduates who completed a test battery including two measures of creativity, three measures of schizotypy, a lateralized lexical decision task, and a dichotic listening task. Results are consistent with individual differences in creativity and schizotypy being partly related to a response criterion favoring right hemisphere, possibly nonconscious, processing. Dichotic listening results revealed a strong association of better right hemisphere (left ear) localization ability and creativity.
ISSN:0278-2626
1090-2147
DOI:10.1006/brcg.2001.1493