摂食障害における表型特性と関連する解離性症状:システマティックレビュー
Myriam González-Gómez1, José M López-Villatoro1,2, Alejandra Galvez-Merlin1,2
1Psychiatry and Pathology, Faculty of Medicine, Universidad Complutense de Madrid (UCM), Madrid, Spain.
Clinical psychology & psychotherapy
|December 12, 2025
まとめ
解離性症状は、摂食障害(ED)患者、特に排出行動や同一性の問題を抱える患者によく見られます。この有病率は、ED患者の治療および回復転帰に影響を与える可能性があります。
科学分野:
- 精神医学
- 臨床心理学
- 摂食障害研究
背景:
- 摂食障害(ED)は解離性症状と頻繁に併存します。
- 解離は、ED患者における自傷行為および自殺企図のリスク増加に関連しています。
- EDにおける解離の理解は、効果的な治療と回復のために不可欠です。
研究 の 目的:
- 摂食障害患者における解離性特徴の有病率を調査すること。
- EDの特定の表型特性と解離との関係を探求すること。
主な方法:
- 科学文献のシステマティックレビューを実施しました。
- 初期検索で651件の研究が特定され、最終分析には32件が含まれました。
- 関連する論文を選択するために、包含基準と除外基準が適用されました。
主要な成果:
- ED患者は健常者と比較して解離の有病率が有意に高いです。
- 排出症状を示すED患者は、純粋な制限患者よりも解離の程度が高いです。
- 解離に関連する3つの心理学的表現型が特定されました:感情不安定型、衝動攻撃型、認知同一性型。
結論:
- 解離性症状は摂食障害において蔓延していることが確認されています。
- 排出・衝動・不安定型プロファイルを持つ患者では、解離の程度が高いことが観察されています。
- 同一性に関連する困難は、EDにおける解離性症状と強く関連しています。
関連する概念動画
Dissociative Disorders
430
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
430
Dissociative Identity Disorder
611
Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
611
Bulimia Nervosa
641
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...
641
Anorexia Nervosa
865
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...
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
865
Binge Eating Disorders
402
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...
402
Dissociative Amnesia
478
Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
478


