Journal
PHYSIOLOGY & BEHAVIOR
Volume 80, Issue 2-3, Pages 367-374Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.physbeh.2003.08.012
Keywords
food; emotion; body weight; mood; energy; associations
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Immediate effects of low-, medium-, and high-energy foods on the emotional state of normal-weight and overweight women were studied experimentally. Nineteen normal-weight (body mass index [BMI]: 19-25 kg/m(2)) and 19 overweight women (BMI: 26-40 kg/m(2)) aged 1840 years received samples of food that differed in energy content (low vs. medium vs. high energy) and rated their emotional state immediately after eating. Perceived characteristics of the foods and associations elicited by the foods were also obtained. Negative emotions (anger, fear, shame, and sadness) and sleepiness increased, while happiness decreased with energy of foods. Emotionally negative associations were more frequent, while positive emotions were less frequent the higher the energy content of the foods. Sadness, shame, fear, and sleepiness after eating high-energy food tended to be more intense in overweight women. Additional analyses demonstrated influences of eating habits, e.g., disinhibition. The higher the energy content of a food stimulus, the more it was viewed as unhealthy and dangerous. It is suggested that immediate food-induced changes of emotions can be explained by activation of associative emotion networks. (C) 2003 Elsevier Inc. All rights reserved.
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