title: Neural sensitivity to eudaimonic and hedonic rewards differentially predict adolescent depressive symptoms over time.
abstract: The pursuit of happiness and reward is an impetus for everyday human behavior and the basis of well-being. Although optimal well-being may be achieved through eudaimonic activities (e.g., meaning and purpose), individuals tend to orient toward hedonic activities (e.g., pleasure seeking), potentially placing them at risk for ill-being. We implemented a longitudinal study and followed adolescents over 1 y to examine whether neural sensitivity to eudaimonic (e.g., prosocial decisions) and hedonic (e.g., selfish rewards and risky decisions) rewards differentially predicts longitudinal changes in depressive symptoms. Ventral striatum activation during eudaimonic decisions predicted longitudinal declines in depressive symptoms, whereas ventral striatum activation to hedonic decisions related to longitudinal increases in depressive symptoms. These findings underscore how the motivational context underlying neural sensitivity to rewards can differentially predict changes in well-being over time. Importantly, to our knowledge, this is the first study to show that striatal activation within an individual can be both a source of risk and protection.
authors.affiliation: Department of Psychology and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, IL 61820.
authors.forename: Eva H
authors.initials: EH
authors.lastname: Telzer
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Fuligni
authors.forename: Matthew D
authors.initials: MD
authors.lastname: Lieberman
authors.forename: Adriana
authors.initials: A
authors.lastname: Galván
mesh_terms: D000293:Adolescent; D001479:Basal Ganglia / Q000502:physiology; D003863:Depression / Q000503:physiopathology* / Q000523:psychology*; D005260:Female; D006240:Happiness; D006801:Humans; D008137:Longitudinal Studies; D008279:Magnetic Resonance Imaging; D008297:Male; D057181:Pleasure / Q000502:physiology; D000297:Psychology, Adolescent; D012201:Reward; D012307:Risk Factors; D012919:Social Behavior
keywords: adolescence; depression; fMRI
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