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Variability in nucleus accumbens activity mediates age-related suboptimal financial risk taking.


ABSTRACT: As human life expectancy continues to rise, financial decisions of aging investors may have an increasing impact on the global economy. In this study, we examined age differences in financial decisions across the adult life span by combining functional neuroimaging with a dynamic financial investment task. During the task, older adults made more suboptimal choices than younger adults when choosing risky assets. This age-related effect was mediated by a neural measure of temporal variability in nucleus accumbens activity. These findings reveal a novel neural mechanism by which aging may disrupt rational financial choice.

SUBMITTER: Samanez-Larkin GR 

PROVIDER: S-EPMC2821055 | biostudies-literature | 2010 Jan

REPOSITORIES: biostudies-literature

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Variability in nucleus accumbens activity mediates age-related suboptimal financial risk taking.

Samanez-Larkin Gregory R GR   Kuhnen Camelia M CM   Yoo Daniel J DJ   Knutson Brian B  

The Journal of neuroscience : the official journal of the Society for Neuroscience 20100101 4


As human life expectancy continues to rise, financial decisions of aging investors may have an increasing impact on the global economy. In this study, we examined age differences in financial decisions across the adult life span by combining functional neuroimaging with a dynamic financial investment task. During the task, older adults made more suboptimal choices than younger adults when choosing risky assets. This age-related effect was mediated by a neural measure of temporal variability in n  ...[more]

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