大脑结构的改变预测了近期发病精神病和临床高风险状态中的微妙视觉感知功能障碍
Rebekka Lencer1,2, Andreas Sprenger3, Inga Meyhöfer2
1Department of Psychiatry and Psychotherapy, University of Lübeck, Lübeck, Germany.
Translational psychiatry
|February 12, 2026
概括
大脑纹理特征有效预测早期精神病和危险心理状态中的微妙视觉功能障碍. 这些发现提供了关于精神病易感性背后的神经生物学机制的见解.
科学领域:
- 神经成像是一种神经成像.
- 精神病学是一个精神病学.
- 认知神经科学 认知神经科学
背景情况:
- 微妙的视觉功能障碍 (VisDys) 是精神疾病的早期指标,如精神病.
- 了解VisDys的神经生物学基础对于早期检测和干预至关重要.
- 微观结构的大脑纹理特征可能反映了早期精神病的感知变化.
研究的目的:
- 评估大脑纹理特征,以预测近期发病精神病 (ROP) 和临床精神病高风险 (CHR-P) 的VisDys.
- 在一个独立的样本中验证最近出现抑郁症 (ROD) 的预测模型.
- 探索与VisDys.相关的症状相关的大脑特征.
主要方法:
- 来自ROP,CHR-P和ROD队伍的结构磁共振成像 (sMRI) 数据.
- 机器学习模型使用大脑纹理特征来预测VisDys.
- 跨诊断组的预测模型的独立验证.
主要成果:
- 在验证样本中,分类模型实现了平衡的准确性>77%的ROP和>64%的CHR-P.
- 模型在ROP,CHR-P和ROD验证集中证明了预测效用.
- 在大脑特征,VisDys和症状严重程度 (例如,积极和消极症状量表) 之间发现了显著的关联.
结论:
- 脑纹理分析是一个有前途的工具,用于识别精神病谱系障碍早期的VisDys.
- 通过纹理特征识别的神经生物学标记可能是精神病感知障碍的基础.
- 这些发现有助于理解精神病易感性和潜在的治疗点.
更多相关视频
07:31Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
Published on: May 15, 2020
8.2K
05:52Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
15.6K
相关概念视频
Perceptual Constancy
1.5K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.5K
Shape and Texture of Coarse Aggregate
703
Aggregate shape is classified based on the relative sharpness or roundness of the edges and corners. This classification includes categories like rounded, angular, elongated, and flaky, each with specific characteristics. Rounded aggregates, fully shaped by attrition, are typical of river or seashore gravel, while angular aggregates, such as crushed rock, have well-defined edges. Aggregates that are elongated and flaky are less desirable, as they can reduce the workability and strength of...
703
Psychosis: Goals of Pharmacotherapy
546
Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation.
546
Alterations in Respiration II
1.9K
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
1.9K
Predicting Molecular Geometry
46.1K
VSEPR Theory for Determination of Electron Pair Geometries
46.1K
Psychosis and Antipsychotic Drugs: Overview
936
The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic...
936
