Defining the brain systems of lust,
romantic attraction, and attachment
by
Fisher HE, Aron A, Mashek D, Li H, Brown LL.
Department of Anthropology,
Rutgers University, New Brunswick,
New Jersey, USA.
hefisher@worldnet.att.net .
Arch Sex Behav 2002 Oct;31(5):413-9
ABSTRACT
Mammals and birds have evolved three primary,
discrete, interrelated emotion-motivation systems in the brain for mating,
reproduction, and parenting: lust, attraction, and male-female attachment.
Each emotion-motivation system is associated with a specific constellation
of neural correlates and a distinct behavioral repertoire. Lust evolved to
initiate the mating process with any appropriate partner; attraction
evolved to enable individuals to choose among and prefer specific mating
partners, thereby conserving their mating time and energy; male-female
attachment evolved to enable individuals to cooperate with a reproductive
mate until species-specific parental duties have been completed. The
evolution of these three emotion-motivation systems contribute to
contemporary patterns of marriage, adultery, divorce, remarriage,
stalking, homicide and other crimes of passion, and clinical depression
due to romantic rejection. This article defines these three
emotion-motivation systems. Then it discusses an ongoing project using
functional magnetic resonance imaging of the brain to investigate the
neural circuits associated with one of these emotion-motivation systems,
romantic attraction.
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