Crafa Nagel Accounting for Heterogeneity the CBB Model .pdf
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Accounting for Heterogeneity:
The Culture-Brain-Behavior Interaction Model
Daina Crafa1 & Saskia K. Nagel2
Mary, University of London, Wolfson Institute for Preventative Medicine, Centre for
2University of Osnabrück, Institute of Cognitive Science
Accounting for heterogeneity, as in individual diversity and psychiatric disorders, can
be challenging when describing the interaction between culture and the brain. On the
one hand, discussions of neurocultural phenomena require some population-based
reductionism in order to isolate culturally distinct patterns. On the other hand,
acknowledging heterogeneity within cultures can provide a richer understanding of
the relationship between culture and the brain. By taking a systems approach to
neurocultural phenomena, the authors propose a Culture-Brain-Behavior (CBB)
Interaction Model to account for heterogeneity within neural and cultural events. In
particular, this model emphasizes the impact social learning and ecocultural changes
can have on modifying brain and behavior, and describes how diverse experiences
and cognitive abilities may cause heterogeneity. Finally, the CBB model predicts how
disruptions to these elements may account for the high rate of cultural variations for
many psychiatric disorders.
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