Behavioral and neural control in relation to risky decision-making in adolescents
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2019-06-25
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en
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Abstract
In adults, the prefrontal cortex (PFC) downregulates emotional responses coming
from the amygdala. During adolescence, increased risk-taking has been linked
to a neural imbalance between the PFC and the faster-maturing amygdala. Likewise,
emotional control depends on amygdala downregulation by the anterior PFC
(aPFC). However, the relationship between emotional control and risk-taking is
still unknown. In the present study, the relationship between affective and deliberate
risk-taking (measured by means of the Columbia Card Task) and emotional
control was investigated. Emotional control during the fMRI version of the social
Approach Avoidance Task was measured on a behavioral level (RTs) and on a
neural level (amygdala and aPFC activity). A negative relation between emotional
control and risk-taking behavior was hypothesized. Bayesian multilevel analysis
revealed that increased aPFC activity during emotional control was related to decreased
risk-taking, and that this effect was driven by females. Suggestions for
future research are made.
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Faculteit der Sociale Wetenschappen