5-HTTLPR Polymorphism Is Associated with Nostalgia Proneness: The Role of Neuroticism.

Title5-HTTLPR Polymorphism Is Associated with Nostalgia Proneness: The Role of Neuroticism.
Publication TypeJournal Article
Year of Publication2017
JournalSocial neuroscience
Date Published2017
ISSN1747-0919
Abstract

Nostalgia, a sentimental longing for the past, is a self-relevant and social emotion. Nostalgia proneness is associated with alleviation of distress or instability (e.g., neuroticism). Although nostalgia proneness is heritable, the specific molecular contributors to this heritability are unknown. We focused on a polymorphism in the promoter of the serotonin transporter gene (5-HTTLPR) as a possible biological basis of nostalgia proneness, because the serotonin system has been associated with sensitivity to negative experience. Participants (N = 397 adults) who had reported levels of nostalgia proneness were genotyped. A subsample also completed a measure of neuroticism. Participants with the 5-HTTLPR short allele were higher on nostalgia proneness than those without this allele. Neuroticism mediated the relation between 5-HTTLPR and nostalgia proneness. These findings enrich our understanding of the genetic and personality underpinnings of nostalgia.

DOI10.1080/17470919.2017.1414717
Short TitleSoc Neurosci
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