在精神分裂症中个性化纹理相似性网络
Hao Ding1, Yu Zhang2, Yingying Xie2
1Department of Radiology and Tianjin Key Laboratory of Functional Imaging, Tianjin Medical University General Hospital, Tianjin, China; School of Medical Imaging, Tianjin Medical University, Tianjin, China.
一个新的纹理相似性网络 (TSN) 可靠地识别了精神分裂症中独特的大脑连接模式,揭示了抑郁症中未见的复杂的失联性和异质性. 这种方法为了解精神分裂症病理生理学提供了一个有希望的工具.
科学领域:
- 神经成像是一种神经成像.
- 大脑网络 大脑网络
- 精神疾病 精神疾病
背景情况:
- 结构共变网络的破坏是精神分裂症病理生理学的关键指标.
- 现有的方法可能无法完全捕捉精神分裂症中复杂的个体间变异性.
研究的目的:
- 引入和验证一种新的个性化测量方法:纹理相似性网络 (TSN).
- 假设TSN可以揭示精神分裂症中独特的异质性和失联性.
主要方法:
- 通过测量180个3D voxelwise灰色级共发生矩阵特征的共变量来构建TSN.
- 在健康群体中验证TSN,以检测测试复试可靠性和个体间的变异性.
- 将TSN应用于精神分裂症和抑郁症数据集.
主要成果:
- TSN 显示了更高的跨人比内人变异性,证实了可靠性.
- 在精神分裂症中,TSN揭示了显著的个体间变异性和复杂的失联性 (低同步/高同步),但不是抑郁症.
- 异常的TSN模式与其他网络措施,功能连接和区域体积不同.
结论:
- 纹理相似性网络 (TSN) 是确定精神分裂症独特结构异质性的可靠方法.
- TSN有效地揭示了精神分裂症特有的复杂的失联模式.
更多相关视频
05:14Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
Published on: September 8, 2021
13:08Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
Published on: December 2, 2015
相关概念视频
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
Psychological and Sociocultural Causes of Schizophrenia
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
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...
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Negative and Cognitive Symptoms of Schizophrenia
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,...
