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Individual differences in reward drive predict neural responses to images of food

Beaver, John D., Lawrence, Andrew David, van Ditzhuijzen, Jenneke, Davis, Matt H., Woods, Andrew and Calder, Andrew J. 2006. Individual differences in reward drive predict neural responses to images of food. Journal of Neuroscience 26 (19) , pp. 5160-5166. 10.1523/JNEUROSCI.0350-06.2006

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Abstract

A network of interconnected brain regions, including orbitofrontal, ventral striatal, amygdala, and midbrain areas, has been widely implicated in a number of aspects of food reward. However, in humans, sensitivity to reward can vary significantly from one person to the next. Individuals high in this trait experience more frequent and intense food cravings and are more likely to be overweight or develop eating disorders associated with excessive food intake. Using functional magnetic resonance imaging, we report that individual variation in trait reward sensitivity (as measured by the Behavioral Activation Scale) is highly correlated with activation to images of appetizing foods (e.g., chocolate cake, pizza) in a fronto–striatal–amygdala–midbrain network. Our findings demonstrate that there is considerable personality-linked variability in the neural response to food cues in healthy participants and provide important insight into the neurobiological factors underlying vulnerability to certain eating problems (e.g., hyperphagic obesity).

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Neuroscience and Mental Health Research Institute (NMHRI)
Uncontrolled Keywords: reward; personality; appetite; striatum; amygdala; orbitofrontal cortex
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.jneurosci.org/site/misc/ifa_policies.xhtml#copyright (accessed 27/02/2014).
Publisher: Society for Neuroscience
ISSN: 0270-6474
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 04:06
URI: http://orca.cf.ac.uk/id/eprint/32928

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