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Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images SDM-PSI

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Schizophrenia and creativity: A meta-analytic review.

Selcuk Acar¹, Xiao Chen¹, Nur Cayirdag¹

¹International Center for Studies in Creativity, Buffalo State - State University of New York, United States.

Schizophrenia Research

|September 5, 2017

Summary

Creativity is negatively associated with schizophrenia, particularly in severe or chronic cases and with verbal tasks. Mild symptoms may enhance creativity, but severe schizophrenia undermines it.

Keywords:

Creativity Levels of schizophrenia Mad-genius hypothesis Meta-analysis Patient status Schizophrenia Type of creativity measures

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Area of Science:

Psychiatry
Psychology
Cognitive Neuroscience

Background:

Schizophrenia is a complex mental disorder associated with significant cognitive impairments.
The relationship between creativity and schizophrenia has been debated, with some theories suggesting a link between mild psychotic traits and enhanced creativity.

Purpose of the Study:

To investigate the relationship between creativity and schizophrenia using a meta-analytic approach.
To identify moderators influencing the creativity-schizophrenia link.

Main Methods:

A 3-level multilevel meta-analysis was conducted.
Data from 42 studies comprising 200 effect sizes were analyzed.
Moderator analyses examined creativity measures, schizophrenia severity, and patient status.

Main Results:

A significant negative mean effect size (r=-0.324) was found, indicating lower creativity in individuals with schizophrenia.
The negative association was stronger for verbal/semantic creativity measures and in chronic/inpatient cases.
An inverted-U relationship between creativity and psychopathology (including schizophrenia) was suggested.

Conclusions:

Schizophrenia is generally associated with reduced creativity, especially in its severe and chronic forms.
The type of creativity measure significantly impacts the observed relationship.
Mild expressions of schizophrenia-related traits may be linked to creativity, but full-blown symptoms impair it.