Playing a computer game during lunch affects fullness, memory for lunch, and later snack intake

被引:106
作者
Oldham-Cooper, Rose E. [1 ]
Hardman, Charlotte A. [1 ]
Nicoll, Charlotte E. [1 ]
Rogers, Peter J. [1 ]
Brunstrom, Jeffrey M. [1 ]
机构
[1] Univ Bristol, Dept Expt Psychol, Bristol BS8 1TU, Avon, England
关键词
FOOD-INTAKE; HEALTHY WOMEN; ENERGY-INTAKE; MEAL INTAKE; TELEVISION; OBESITY; INCREASES; CHILDREN; CONSUMPTION; BEHAVIOR;
D O I
10.3945/ajcn.110.004580
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Background: The presence of distracting stimuli during eating increases the meal size and could thereby contribute to overeating and obesity. However, the effects of within-meal distraction on later food intake are less clear. Objective: We sought to test the hypothesis that distraction inhibits memory encoding for a meal, which, in turn, increases later food intake. Design: The current study assessed the effects of playing solitaire (a computerized card-sorting game) during a fixed lunch, which was eaten at a fixed rate, on memory for lunch and food intake in a taste test 30 min later. A between-subjects design was used with 44 participants. Participants in the no-distraction group ate the same lunch in the absence of any distracting stimuli. Results: Distracted individuals were less full after lunch, and they ate significantly more biscuits in the taste test than did non-distracted participants (mean intake: 52.1 compared with 27.1 g; P = 0.017). Furthermore, serial-order memory for the presentation of the 9 lunch items was less accurate in participants who had been distracted during lunch. Conclusions: These findings provide further evidence that distraction during one meal has the capacity to influence subsequent eating. They may also help to explain the well-documented association between sedentary screen-time activities and overweight. Am J Clin Nutr 2011;93:308-13.
引用
收藏
页码:308 / 313
页数:6
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