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Related Experiment Video

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Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

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Published on: November 16, 2017

Hemispheric connectivity and the visual-spatial divergent-thinking component of creativity.

Dana W Moore¹, Rafeeque A Bhadelia, Rebecca L Billings

¹Department of Neurology and Neuroscience, Weill Medical College of Cornell University, New York Presbyterian Hospital, 428 East 72nd Street, Suite 500, New York, NY 10021, USA. dwm2003@med.cornell.edu

Brain and Cognition

|April 10, 2009

Summary

Divergent thinking, a creativity component, was studied. Contrary to predictions, smaller corpus callosum size, not white matter volume, correlated with higher creativity scores, suggesting enhanced hemispheric specialization.

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Area of Science:

Neuroscience
Cognitive Psychology
Neuroimaging

Background:

Divergent thinking is a key measurable aspect of creativity.
Preliminary evidence suggests increased brain connectivity during divergent thinking.
The precise neural correlates of divergent thinking remain incompletely defined.

Purpose of the Study:

To investigate the relationship between visuospatial divergent thinking and brain structure.
To test the hypothesis that divergent thinking correlates with right hemisphere white matter volume (WMV) and corpus callosum (CC) size.

Main Methods:

Volumetric magnetic resonance imaging (MRI) was used to analyze brain structure.
The Torrance Tests of Creative Thinking (TTCT) assessed divergent thinking abilities.
Participants included 21 healthy, right-handed adult males.

Main Results:

TTCT scores showed a negative correlation with the size of the corpus callosum (CC).
No significant correlation was found between TTCT scores and right or left white matter volume (WMV).

Conclusions:

The findings contradict the initial hypothesis regarding WMV and CC size.
Decreased callosal connectivity may enhance hemispheric specialization, benefiting idea incubation in creativity.
Alternatively, smaller CC size might indicate more efficient functional connectivity due to developmental pruning.