Computerized measurement of anticipated anxiety from eating increasing portions of food in adolescents with and without anorexia nervosa: Pilot studies
Computerized measurement of anticipated anxiety from eating increasing portions of food in adolescents with and without anorexia nervosa: Pilot studies
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DOI：
10.1016/j.appet.2015.11.026
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发表时间：
2016-02-01
期刊：
影响因子：
5.4
通讯作者：
Halmi, K.
中科院分区：
文献类型：
--
作者：
Kissileff, H. R.;Brunstrom, J. M.;Halmi, K.
在脆弱的个体中，节食和对饮食的过度恐惧并存，这可能会发展为神经性厌食症，但这种恐惧没有客观的衡量标准。因此，我们采用了一个先前开发的计算机程序来测量食物的饱腹感，以探索食物在青春期女孩中引发焦虑和恐惧的可能性。24名青少年(AN)和10名没有饮食障碍的健康对照组将不同份量的不同类型食物的图片评为太大或太小，并对五种不同份量(20-320千卡)的预期焦虑进行评级。两种低能量密度的食物(土豆和米饭)和两种高能量密度的食物(披萨和M&MS)被使用。直线长度(0-100毫米)从“没有焦虑”到“这会让我恐慌发作”的回归系数，从所示的部分回归，是对给定食物的“预期焦虑”的测量。对于高能量密度的食物，通过从所示部分持续刺激的方法计算的最大耐受部分大小(MTPS)显著小于对照组，而对于所有食物，患者的预期焦虑反应比对照组更大。对于这两组人来说，预期的焦虑反应更剧烈，低能量密度食物的最大耐受量比高能量密度食物大。患者的病情严重程度对最大耐受量和预期焦虑反应均有显著预测作用。那些最大耐受份量较大的人对增加份量的预期焦虑较小。视觉大小比能量含量对这些反应的影响更大。这种方法可以用来量化食物引起焦虑的潜力，并用于神经成像和表型澄清的研究。(C)2015爱思唯尔有限公司。保留所有权利。
Dieting and excessive fear of eating coexist in vulnerable individuals, which may progress to anorexia nervosa [AN], but there is no objective measure of this fear. Therefore, we adapted a computer program that was previously developed to measure the satiating effects of foods in order to explore the potential of food to induce anxiety and fear of eating in adolescent girls. Twenty four adolescents (AN) and ten healthy controls without eating disorders rated pictures of different types of foods in varying sized portions as too large or too small and rated the expected anxiety of five different portions (20-320 kcal). Two low energy dense (potatoes and rice) and two high energy dense (pizza and M&Ms) foods were used. The regression coefficient of line lengths (0-100 mm) marked from "No anxiety" to "this would give me a panic attack", regressed from portions shown, was the measure of "expected anxiety" for a given food. The maximum tolerated portion size [kcal] (MTPS), computed by method of constant stimulus from portions shown, was significantly smaller for high energy dense foods, whereas the expected anxiety response was greater, for all foods, for patients compared to controls. For both groups, expected anxiety responses were steeper, and maximum tolerated portion sizes were larger, for low, than high, energy dense foods. Both maximum tolerated portion size and expected anxiety response were significantly predicted by severity of illness for the patients. Those who had larger maximum tolerated portion sizes had smaller anticipated anxiety to increasing portion sizes. Visual size had a greater influence than energy content for these responses. This method could be used to quantify the anxiety inducing potential of foods and for studies with neuro-imaging and phenotypic clarifications. (C) 2015 Elsevier Ltd. All rights reserved.