Programa de Pós-Graduação em Neurociências, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
Programa de Pós-Graduação em Saúde da Criança e do Adolescente, UFRGS, Porto Alegre, RS, Brazil.
Braz J Psychiatry. 2020 Aug;42(4):382-388. doi: 10.1590/1516-4446-2019-0556. Epub 2020 Feb 14.
Eating behavior is affected by psychological and neurocognitive factors. However, little is known about this relationship in anxious patients. Our aim was to investigate the associations between impulsivity, inhibitory control, energy-dense food consumption, and body mass index (BMI) in women with generalized anxiety disorder (GAD).
In this cross-sectional study, 51 adult females with GAD answered the Barratt Impulsiveness Scale (BIS-11) and participated in a go/no-go task using food images. Anthropometric measurements were evaluated. A food frequency questionnaire and a snack test were used to study eating behavior. Pearson correlation and multiple linear regression were performed to analyze the variables of interest, adjusted by age.
Impulsivity predicted intake of sugar (p = 0.016, 95%CI 0.67-6.05), total fat (p = 0.007, 95%CI 0.62-3.71), and saturated fat (p = 0.004, 95%CI 0.30-1.48). The snack test showed a positive correlation between presence of impulsivity and intake of biscuits (R = 0.296; p = 0.051). Response inhibition to food images in the go/no-go task paradigm did not predict BMI or food intake.
Impulsivity was predictive of higher sugar and saturated fat intake in women diagnosed with GAD. Our findings add to the literature regarding the association between neuropsychological factors and food consumption in this specific population.
饮食行为受心理和神经认知因素的影响。然而，焦虑患者中这种关系知之甚少。我们的目的是研究广泛性焦虑障碍（GAD）女性患者的冲动性、抑制控制、高能量食物消费与体重指数（BMI）之间的关系。
在这项横断面研究中，51 名成年 GAD 女性回答了巴瑞特冲动量表（BIS-11），并参与了使用食物图像的 Go/No-Go 任务。进行了人体测量学测量。使用食物频率问卷和零食测试来研究饮食行为。进行了 Pearson 相关性和多元线性回归分析，调整了年龄。
冲动性预测糖（p = 0.016，95%CI 0.67-6.05）、总脂肪（p = 0.007，95%CI 0.62-3.71）和饱和脂肪（p = 0.004，95%CI 0.30-1.48）的摄入量。零食测试显示，冲动性存在与饼干摄入量之间存在正相关（R = 0.296；p = 0.051）。Go/No-Go 任务范式中对食物图像的反应抑制并不能预测 BMI 或食物摄入。
冲动性与 GAD 女性的糖和饱和脂肪摄入量较高有关。我们的研究结果增加了关于神经心理因素与该特定人群食物消费之间关联的文献。
