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相关概念视频

Binge Eating Disorders01:23

Binge Eating Disorders

35
Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
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Anorexia Nervosa01:28

Anorexia Nervosa

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Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
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Bulimia Nervosa01:30

Bulimia Nervosa

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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Control of Eating Behavior Using a Novel Feedback System
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限制饮食特征和大脑形态:一项基于儿科人口的研究.

C P M Steegers1, M E J Deen1, P W Jansen1,2,3

  • 1Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands.

The International journal of eating disorders
|April 26, 2025
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概括

体重指数标准偏差得分 (BMI-SDS) 和节制饮食 (RE) 显示了儿童与大脑形态的性别特异关联. 与男孩相比,女孩在BMI-SDS,RE和大脑体积之间表现出更复杂的关系.

关键词:
神经性厌食症是一种神经性厌食症.身体质量指数 (BMI) 是什么?大脑体积大脑体积的大脑体积孩子们的孩子们的孩子们的孩子们.饮食障碍 饮食障碍 饮食障碍一般人口一般人口.通过神经成像进行神经成像.克制的饮食限制了他们的饮食.结构性核磁共振成像 (MRI)

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科学领域:

  • 神经科学是一个神经科学.
  • 发展心理学 发展心理学
  • 儿科 儿科 儿科

背景情况:

  • 神经性厌食症是一种限制性饮食障碍,与大脑结构的改变有关,主要是女性.
  • 在一般儿科患者中,关于节制饮食 (RE),体重指数标准偏差得分 (BMI-SDS) 和大脑形态之间的关系的理解有限.
  • 研究这些关联中的潜在性别差异对于理解典型的大脑发育至关重要.

研究的目的:

  • 检查9岁儿童的BMI-SDS和大脑形态之间的关联.
  • 为了研究节制饮食 (RE) 与大脑形态学之间的关系,考虑到性别差异.
  • 确定BMI-SDS和RE是否与儿科队列中的灰质 (GM) 和白质 (WM) 量有关.

主要方法:

  • 在以人口为基础的R世代研究中利用了2729名儿童 (9岁) 的数据.
  • 用荷兰生长曲线调整性别和年龄的BMI-SDS计算.
  • 使用荷兰饮食行为问卷评估RE,并通过结构磁共振成像和FreeSurfer分析大脑体积.

主要成果:

  • 在女孩中,BMI-SDS与内和区域大脑总体积正相关,显示了与总灰质 (GM) 和白质 (WM) 的反转U形关联.
  • 女孩的限制性饮食 (RE) 与内,WM和区域大脑体积 (经BMI-SDS校正) 呈现正线性关联,与杏仁体和胰岛体积呈反转U形关联.
  • 男孩仅显示BMI-SDS和大脑体积之间的正线性关联,RE和大脑体积之间没有发现显著的关联.

结论:

  • 在典型发育的儿童中,BMI和大脑体积之间的关联的大小和形状存在显著的性别差异.
  • 限制饮食 (RE) 与女孩的特定大脑体积差异有关,但在男孩中并非如此.
  • 建议进行纵向研究,以进一步阐明这些随时间推移的关联.