強迫性障害患者における個別化反復経頭蓋磁気刺激による前頭部EEG複雑性の低減
Yihao Sheng1, Woxin Pan1, Haibing Huang2
1School of Mental Health and Psychological Science, Anhui Medical University, Hefei, China.
NeuroImage
|January 25, 2026
まとめ
反復経頭蓋磁気刺激(rTMS)は、強迫性障害(OCD)患者における前頭部脳複雑性の亢進を低減させた。この所見は、OCDにおけるrTMS治療効果の客観的バイオマーカーとしての前頭部EEG複雑性を支持するものである。
科学分野:
- 神経科学
- 精神医学
- バイオマーカー研究
背景:
- 強迫性障害(OCD)は、反復経頭蓋磁気刺激(rTMS)による治療標的の可能性を示している。
- 脳エントロピーは神経精神医学における新たなバイオマーカーであるが、OCDにおけるrTMSによるその調節は十分に理解されていない。
- 脳波(EEG)は、神経複雑性の変化を評価するための高い時間分解能を提供する。
研究 の 目的:
- fMRIナビゲーションrTMSがOCD患者の前頭部脳エントロピーに及ぼす影響を調査すること。
- OCDにおけるrTMSの客観的バイオマーカーとして前頭部EEG複雑性を評価すること。
- OCD患者と健常対照群の前頭部複雑性指標を比較すること。
主な方法:
- 44名のOCD患者と24名の健常対照者から安静時EEGデータを収集した。
- EEGから前頭部エントロピーおよび複雑性指標(ApEn、SampEn、LZC)を算出した。
- 患者は右補足運動野を標的とした活動性または偽薬rTMSを14日間受け、介入後にEEGを再記録した。
主要な成果:
- OCD患者は健常対照群と比較してベースラインの前頭部複雑性が高かった。
- 活動性rTMSはOCD患者の前頭部複雑性指標を有意に低下させた。
- 偽薬群では前頭部複雑性は亢進したままであったが、活動群では治療後に正常化した。
結論:
- OCDは前頭部神経複雑性の亢進と関連している。
- 個別化rTMSはこれらの複雑性の異常を効果的に調節した。
- 前頭部EEG複雑性は、OCDにおける神経調節治療効果の有望な客観的バイオマーカーとして機能する。
関連する概念動画
Personality Disorders: Dependent and Obsessive-Compulsive
431
Dependent personality disorder and obsessive-compulsive personality disorder are two separate psychological conditions that influence behavior, relationships, and overall life functioning. Though both involve maladaptive behaviors, their core characteristics and motivations differ significantly.
Dependent Personality Disorder
Dependent personality disorder is characterized by an excessive reliance on others to manage various aspects of life. Individuals with this disorder often struggle...
Dependent Personality Disorder
Dependent personality disorder is characterized by an excessive reliance on others to manage various aspects of life. Individuals with this disorder often struggle...
431
Obsessive-Compulsive Disorder
554
Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
554
Antisocial Personality Disorder
708
Antisocial personality disorder is a chronic mental health condition characterized by persistent patterns of disregard for the rights and well-being of others. Individuals with antisocial personality disorder exhibit behaviors that include deceitfulness, impulsivity, irresponsibility, aggression, and a profound lack of empathy. These traits often manifest early in life and persist into adulthood, leading to significant personal, social, and legal consequences.
Behavioral Characteristics and...
Behavioral Characteristics and...
708
Borderline Personality Disorder
592
Borderline Personality Disorder is a complex and multifaceted mental health condition characterized by pervasive instability in interpersonal relationships, self-image, emotions, and impulse control. This instability manifests in extreme emotional reactions, fear of abandonment, and self-destructive behaviors. The disorder significantly impacts daily functioning, often leading to distress in both personal and professional domains.
Genetic and Environmental Contributions
Borderline Personality...
Genetic and Environmental Contributions
Borderline Personality...
592
Personality Disorders: Paranoid and Schizoid
592
Personality disorders represent enduring cognition, affect, and behavior patterns that significantly deviate from societal norms. These maladaptive traits often lead to difficulties in various domains, including interpersonal relationships, occupational settings, and overall psychological well-being. Paranoid personality disorder and schizoid personality disorder are two distinct conditions marked by odd or eccentric behavior.
Paranoid Personality Disorder
Paranoid personality disorder is...
Paranoid Personality Disorder
Paranoid personality disorder is...
592
Personality Disorders: Schizotypal and Histrionic
520
Schizotypal personality disorder and histrionic personality disorder are two distinct psychological conditions classified under personality disorders, each characterized by unique behavioral patterns and social difficulties. Both disorders significantly affect interpersonal relationships and emotional well-being, leading to social isolation and frustration.
Schizotypal Personality Disorder: Eccentric Behavior and Social Withdrawal
Schizotypal personality disorder is marked by odd or eccentric...
Schizotypal Personality Disorder: Eccentric Behavior and Social Withdrawal
Schizotypal personality disorder is marked by odd or eccentric...
520


