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相关概念视频

Language and Cognition01:27

Language and Cognition

340
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
340
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

73
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...
73
Modeling in Therapy01:26

Modeling in Therapy

65
Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
65
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

54
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...
54
Language Development01:22

Language Development

334
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
334
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

553
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...
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Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
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解读精神分裂症语言障碍:使用微调语言模型进行的一项研究.

Renyu Li1, Minne Cao2, Dawei Fu1

  • 1DAMO Academy, Alibaba Group, Hangzhou, China.

Schizophrenia research
|July 18, 2024
PubMed
概括

本研究介绍了成功预测率 (SPR) 和失流率 (DF) 来测量精神分裂症.

关键词:
精心调整的微调.正式思维障碍 正式思维障碍自然语言处理自然语言处理.预先训练的语言模式精神分裂症是一种精神分裂症.

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科学领域:

  • 计算语言学计算语言学
  • 精神病学是一个精神病学.
  • 人工智能的人工智能

背景情况:

  • 精神分裂症的诊断通常依赖于主观的评估.
  • 需要客观的语言指标来更好地评估精神分裂症.
  • 现有的方法可能缺乏文化敏感性或全面分析.

研究的目的:

  • 引入两个新的,稳定的语言指标:成功预测率 (SPR) 和流利率 (DF).
  • 客观地量化精神分裂症中的语言障碍.
  • 评估这些指标的文化敏感性和全面性.

主要方法:

  • 微调了ELECTRA预训练语言模型在中国心理健康论坛的语料库上.
  • 在38名精神分裂症患者和25名健康对照人群中验证了模型.
  • 分析了语言特征与正负综合征量表 (PANSS) 项目之间的关联.

主要成果:

  • 健康对照组显示SPR更高;精神分裂症患者显示DF更高.
  • 较低的SPR和较高的DF与概念失序相关 (P2).
  • 结合SPR和DF在P2的分类中实现了84.5%的准确性,超过了传统特征的20.5%.

结论:

  • SPR和DF是评估精神分裂症相关的语言异常的有效,文化敏感的指标.
  • 这些指标显著改善了像概念失序这样的思维障碍的客观分类.
  • 提出的语言特征为精神分裂症评估的传统方法提供了更准确的替代方案.