在急性精神分裂症的临床集群中,前额叶功能障碍
Filippo Corponi1, Yana Zorkina2, Daniel Stahl3
1School of Informatics, University of Edinburgh, Edinburgh, UK; Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
Spanish journal of psychiatry and mental health
|December 30, 2025
概括
精神分裂症患者的个人资料显示出明显的额叶功能障碍. 在患者中常见的负性失调集群,表现出最严重的额头损伤,与抽象思维和对话困难有关.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 临床心理学 临床心理学
背景情况:
- 精神分裂症呈现出不同的临床表型,具有不同的生物基础.
- 阳性和阴性综合征量表 (PANSS) 对于表征精神分裂症患者和识别不同的临床形状至关重要.
- 额叶功能障碍是精神分裂症的一个重要特征.
研究的目的:
- 在急性精神分裂症的不同临床形状中调查前额叶功能障碍的差异.
- 为了确定与精神分裂症前额叶损伤相关的特定临床症状.
主要方法:
- 从PANSS得分获得的主要组件被用来通过有限混合模型对516名急性精神分裂症患者进行分组.
- 额叶损伤使用额叶评估电池 (FAB) 评分进行评估,根据疾病持续时间进行调整.
- 协差分析 (ANCOVA) 通过对各集群的FAB分数进行比较,监督学习方法确定了预测FAB分数的关键PANSS项目.
主要成果:
- 三个集群解决方案确定了不同的患者概况:一个具有高阳性/兴奋症状,另一个具有高抑郁/焦虑,第三个 (74%的患者) 具有突出的负面失调症状.
- 在控制疾病持续时间后,在各群体中观察到额叶损伤 (FAB评分) 的显著差异,负失调的群体表现出最严重的损伤.
- 两个特定的PANSS项目显示了对整体额叶功能的最高预测值.
结论:
- 精神分裂症中的特定负面和失调症状,即"抽象思维困难"和"缺乏自发性/对话流动",与更大的前额叶功能障碍密切相关.
- 这些发现表明,精神分裂症和其他影响执行功能的神经系统疾病之间在额叶参与方面存在潜在的重叠.
相关概念视频
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
493
Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
493
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
1.8K
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
1.8K
Biological Causes of Schizophrenia
458
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
458
Schizophrenia
673
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
673
Negative and Cognitive Symptoms of Schizophrenia
394
Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
394
Personality Disorders: Paranoid and Schizoid
484
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...
484


