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Predictors of childhood emotional under-eating.

儿童情绪性饮食不足的预测因素。

基本信息

批准号：
1942485
负责人：
金额：
--
依托单位：
CARDIFF UNIVERSITY
依托单位国家：
英国
项目类别：
Studentship
财政年份：
2017
资助国家：
英国
起止时间：
2017 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=studentship-1942485
关键词：
Predictors childhood emotional under eating.

项目摘要

The emergence of anorexia nervosa (AN) is of particular concern due to reports suggesting a 12-fold mortality rate increase for females aged 15-24 diagnosed with AN compared to other eating disorders (Arcelus et al., 2011).I am proposing a line of research that aims to understand the neural mechanisms of AN and identify risk factors that can be targeted by treatment or prevention programmes. The study of attention in AN is often linked to the obsessive-compulsive traits observed, which are a result of processing styles such as set shifting and central coherence (Whitney & Eisler, 2005). Weak central coherence is a fixation on local details and the inability to integrate those details globally (Van Autreve et al., 2013). Specific impairments in global processing combined with superior local processing in individuals diagnosed with AN have been found (Lang et al., 2014). This may implicate weak central coherence as a risk or maintenance factor involved in the attentional bias and obsessive-compulsive trait mechanism observed. Set shifting, or executive attention, is the ability to flexibly shift attention between multiple tasks or mental states (Miyake et al 2000). Impairments in the executive attention system thus result in preseveration of thoughts or ideas surrounding food and weight loss. Moreover, impairments in set shifting have been observed in individuals who have recovered from AN, (Roberts et al., 2010) suggesting individual differences in set shifting may indicate a risk or maintenance factor involved in the obsessive-compulsive trait mechanism.

神经性厌食症（AN）的出现特别令人关注，因为有报道表明，与其他饮食失调相比，诊断患有AN的15-24岁女性的死亡率增加了12倍（Arcelus等人，2011年）。我提出了一系列研究，旨在了解AN的神经机制，并确定治疗或预防计划可以针对的风险因素。对AN中注意力的研究通常与观察到的强迫症特征有关，这是处理风格的结果，如集合转移和中央连贯性（Whitney & Bulller，2005）。弱的中央连贯性是对局部细节的固定，并且不能整体地整合这些细节（货车Autreve等人，2013年）。在诊断为AN的个体中，已经发现了与上级局部处理相结合的全局处理的特定损伤（Lang等人，2014年）。这可能意味着较弱的中央一致性是参与观察到的注意力偏差和强迫性特质机制的风险或维持因素。集合转移，或执行注意力，是在多个任务或精神状态之间灵活转移注意力的能力（Miyake et al 2000）。因此，执行注意力系统的损伤会导致围绕食物和减肥的想法或想法的保留。此外，已经在从AN恢复的个体中观察到集合转移的损伤（Roberts等人，2010）表明，在设置转换的个体差异可能表明在强迫症的特质机制涉及的风险或维护因素。