Journal
PSYCHOPHYSIOLOGY
Volume 56, Issue 4, Pages -Publisher
WILEY
DOI: 10.1111/psyp.13309
Keywords
cue reactivity; endophenotypes; ERPs; incentive salience; late positive potential (LPP); sign tracking
Funding
- National Cancer Institute [R25CA057730]
- National Institute on Drug Abuse [R01-DA032581, R21-DA038001]
- National Cancer Institute of the National Institutes of Health [R25CA057730]
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While some individuals can defy the lure of temptation, many others find appetizing food irresistible. The goal of this study was to investigate the neuropsychological mechanisms that increase individuals' vulnerability to cue-induced eating. Using ERPs, a direct measure of brain activity, we showed that individuals with larger late positive potentials in response to food-related cues than to erotic images are more susceptible to cue-induced eating and, in the presence of a palatable food option, eat more than twice as much as individuals with the opposite brain reactivity profile. By highlighting the presence of individual brain reactivity profiles associated with susceptibility to cue-induced eating, these findings contribute to the understanding of the neurobiological basis of vulnerability to obesity.
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