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The Role of Reward Sensitivity and Impulsivity in Overeating and Food Addiction

The Role of Reward Sensitivity and Impulsivity in Overeating and Food Addiction Purpose of Review This paper reviews the contribution of individual differences in two personality traits linked to addiction and over-consumption—impulsivity and reward sensitivity—in the context of overeating and food addiction. Recent Findings There has been a rapid increase in the number of studies into overeating with a specific focus of late on food addiction. This review found trait impulsivity to be consistently associated with overeating and food addiction, while reward sensitivity has met with mixed results. While associated with overeating and food-cued cravings, reward sensitivity is less frequently associated with food addiction. Summary The inclusion of impulsivity-related traits has gathered momentum in recent years adding additional understanding of individual factors that play roles in overeating that may lead to more severe overeating and obesity. Greater research is now required to determine the processes by which trait impulsivity and reward sensitivity lead to overeating behaviours. . . . . Keywords Reward Impulsivity Personality Eating Food addiction Introduction and lack of ability to inhibit, over-consumption of such food [8]. In this review, the focus is on the role of two related The rapid increase in obesity rates across industrialised coun- personality traits—impulsivity and reward sensitivity—in tries since the 1970s has been http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Current Addiction Reports Springer Journals

The Role of Reward Sensitivity and Impulsivity in Overeating and Food Addiction

Current Addiction Reports , Volume 5 (2) – Apr 20, 2018

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Medicine & Public Health; Psychiatry; Neurology
eISSN
2196-2952
DOI
10.1007/s40429-018-0206-y
Publisher site
See Article on Publisher Site

Abstract

Purpose of Review This paper reviews the contribution of individual differences in two personality traits linked to addiction and over-consumption—impulsivity and reward sensitivity—in the context of overeating and food addiction. Recent Findings There has been a rapid increase in the number of studies into overeating with a specific focus of late on food addiction. This review found trait impulsivity to be consistently associated with overeating and food addiction, while reward sensitivity has met with mixed results. While associated with overeating and food-cued cravings, reward sensitivity is less frequently associated with food addiction. Summary The inclusion of impulsivity-related traits has gathered momentum in recent years adding additional understanding of individual factors that play roles in overeating that may lead to more severe overeating and obesity. Greater research is now required to determine the processes by which trait impulsivity and reward sensitivity lead to overeating behaviours. . . . . Keywords Reward Impulsivity Personality Eating Food addiction Introduction and lack of ability to inhibit, over-consumption of such food [8]. In this review, the focus is on the role of two related The rapid increase in obesity rates across industrialised coun- personality traits—impulsivity and reward sensitivity—in tries since the 1970s has been

Journal

Current Addiction ReportsSpringer Journals

Published: Apr 20, 2018

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