调查精神分裂症患者的虚假记忆和幻觉模式感知偏见 患有和没有妄想的病人
1Department of Psychology, Brain and Cognition Research Laboratory, Bahcesehir University, Çırağan Cad. No:4 Beşiktaş, Istanbul, 34353 Turkey.
精神分裂症患者表现出记忆和感知功能受损,那些经历妄想的人表现出更大的认知缺陷. 这表明信息处理问题发生在编码和检索阶段,由错觉加剧.
科学领域:
- 认知神经科学 认知神经科学
- 精神病学是一个精神病学.
背景情况:
- 精神分裂症中虚假记忆功能障碍尚未完全理解,特别是关于其时间 (编码与检索) 和妄想的影响.
- 妄想对精神分裂症记忆和感知偏差的具体影响需要进一步调查.
研究的目的:
- 与健康对照人群相比,研究精神分裂症患者有或没有妄想的认知和记忆偏差.
- 为了确定精神分裂症的认知缺陷是否会影响编码,检索或信息处理的两个阶段.
- 检查幻觉存在与认知缺陷严重程度之间的关系.
主要方法:
- 使用Deese Roediger McDermott (DRM) 范式来评估虚假记忆偏差.
- 利用噪音任务来测量虚幻模式感知 (IPP) 的偏见.
- 精神分裂症患者具有妄想 (Sch/D),没有妄想 (Sch/Nd) 和健康对照 (HCs) 的性能比较.
主要成果:
- 两组精神分裂症患者 (Sch/D和Sch/Nd) 与HC相比,在回忆和识别任务中表现较低,错误率较高.
- 精神分裂症患有妄想 (Sch/D) 患者的表现明显低于Sch/Nd患者和HC患者.
- 在精神分裂症患者的编码和检索阶段都观察到认知缺陷.
结论:
- 精神分裂症的信息处理缺陷影响了编码和检索阶段.
- 幻觉的存在和精神分裂症的认知缺陷增加之间存在显著的相关性.
- 研究结果突出了妄想对精神分裂症患者认知功能的有害影响.
更多相关视频
08:53Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
Published on: November 14, 2018
12:00Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization
Published on: November 19, 2014
相关概念视频
Positive Symptoms Schizophrenia: Hallucinations and Delusions
Hallucinations
Hallucinations in...
False Memories
One primary source of false memories is misattribution, where individuals incorrectly associate external information...
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...
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,...
Schizophrenia
Psychological and Sociocultural Causes of Schizophrenia
