Dimensions of impulsive behavior in obese, overweight, and healthy-weight adolescents
Dimensions of impulsive behavior in obese, overweight, and healthy-weight adolescents
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DOI：
10.1016/j.appet.2013.06.089
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发表时间：
2013-11-01
期刊：
影响因子：
5.4
通讯作者：
Reynolds, B.
中科院分区：
文献类型：
--
作者：
Fields, S. A.;Sabet, M.;Reynolds, B.
冲动是一个与肥胖有关的多维结构。为了探索可能与青少年体重状况相关的冲动行为的概况，我们使用实验室行为任务对青少年样本(N=61)的冲动行为的多个维度(延迟折扣、持续注意力和行为去抑制)进行了测量。为了进行比较，我们还用BIS-11-A评估了自我报告的冲动行为。参与者的体重指数不同：肥胖(n=21)、超重(n=20)和健康体重(n=20)。肥胖和超重的青少年在延迟折扣的测量上比正常体重的青少年更冲动，但肥胖和超重的青少年在这一测量上没有发现差异。与超重和体重正常的青少年相比，肥胖青少年在注意力不集中的衡量标准上也更冲动，后者在这一衡量标准上没有区别。行为去抑制与体重状况无关，对冲动的自我报告也没有关系。这些发现在某些实验室行为指标上的相加模式表明，肥胖青少年在两个行为维度上比健康体重的青少年更冲动，而超重青少年只在一个维度上更冲动。因此，与只在一个行为维度(即延迟打折)上冲动的青少年相比，在两个行为维度(即延迟打折和持续注意)上冲动的青少年变得肥胖的风险可能更大，而不是超重。(C)2013爱思唯尔有限公司。保留所有权利。
Impulsivity is a multidimensional construct that has been linked with obesity. To explore profiles of impulsive behavior potentially associated with adolescent weight status, we measured multiple dimensions of impulsivity (delay discounting, sustained attention, and behavioral disinhibition) using laboratory behavioral tasks in a sample of adolescents (N = 61). For comparison purposes, we also assessed self-reported impulsive behavior with the BIS-11-A. Participants differed in body mass index: obese (n = 21), overweight (n = 20), and healthy-weight (n = 20). Obese and overweight adolescents were more impulsive on the measure of delay discounting than healthy-weight adolescents, but no difference was found between obese and overweight adolescents on this measure. Obese adolescents also were more impulsive on the measure of inattention compared to overweight and healthy-weight adolescents, who did not differ on this measure. Behavioral disinhibition had no association with weight status, nor did the self-report measure of impulsivity. The additive pattern of these findings for certain laboratory behavioral measures indicates that obese adolescents are more impulsive than their healthy-weight counterparts on two dimensions of behavior, whereas overweight adolescents are more impulsive on only one dimension. Consequently, adolescents who are impulsive on two dimensions of behavior (i.e., delay discounting and sustained attention) may be at greater risk of becoming obese rather than overweight compared to adolescents who are impulsive on only one dimension of behavior (i.e., delay discounting). (C) 2013 Elsevier Ltd. All rights reserved.