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相关概念视频

Hallucinogens and Psychedelics01:27

Hallucinogens and Psychedelics

295
Hallucinogens are psychoactive substances that profoundly alter perceptual experiences, generating unreal visual and sensory images. Often referred to as psychedelic drugs — a term derived from the Greek words "psyche" (mind) and "delos" (revealing) — these substances include marijuana and lysergic acid diethylamide (LSD), among others. These drugs vary in intensity and effects.
Marijuana, derived from the dried leaves and flowers of the hemp plant, contains...
295
CNS Stimulants: Psychedelic Agents01:22

CNS Stimulants: Psychedelic Agents

256
Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...
256
Altered States of Awareness01:06

Altered States of Awareness

516
Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
516
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

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Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
Hallucinations
Hallucinations in...
140
The Influence of Cognition on Affect01:29

The Influence of Cognition on Affect

2
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
2
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

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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...
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相关实验视频

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Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality
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网络恶作剧:虚拟现实幻觉调节认知情感过程.

Giulia Brizzi1,2, Chiara Pupillo1,3, Clara Rastelli4,5

  • 1Humane Technology Lab, Università Cattolica del Sacro Cuore, Milan, Italy.

Dialogues in clinical neuroscience
|May 23, 2025
PubMed
概括

幻觉视觉虚拟体验 (HVVEs) 通过提高认知灵活性和减少焦虑,显示出对心理健康的承诺. 这些虚拟迷幻模拟提供了潜在的治疗益处,同时最大限度地降低了与传统迷幻使用相关的风险.

关键词:
这就是DeepDream.迷幻药物是一种精神药物.人工智能的人工智能是人工智能.认知灵活性 认知灵活性虚拟现实 虚拟现实 虚拟现实 虚拟现实视觉幻觉 - 视觉幻觉是一种幻觉.

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Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
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相关实验视频

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21.0K
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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.
  • 虚拟现实技术 虚拟现实技术

背景情况:

  • 心理健康的传统迷幻药研究面临着由于副作用的担忧而面临的障碍.
  • 技术进步导致了幻觉视觉虚拟体验 (HVVEs) 的发展,作为模拟的迷幻体验.
  • 在控制的虚拟环境中,HVVEs提供了一种新的方法来探索迷幻效应.

研究的目的:

  • 研究HVVEs对认知灵活性,情感反应和自主活动的影响.
  • 评估使用虚拟现实用于模拟迷幻体验的可行性.
  • 探索HVVEs在心理健康中的潜在治疗应用.

主要方法:

  • 50名健康参与者完成了认知灵活性,抑制控制,情绪反应和自主活动的基线评估.
  • 参与者接受了两个10分钟的沉浸式虚拟现实 (IVR) 体验:"秘密花园"和DeepDream生成的幻觉版本.
  • 经验后评估包括所有基线措施以及流体验评估.

主要成果:

  • 高度VVE显著增强了认知灵活性和抑制控制.
  • 参与者报告说,流量吸收增加,流量流动性降低.
  • 与基线相比,两种IVR体验都导致积极影响,状态焦虑,心率和同情活动减少.

结论:

  • 高频体验对认知和情绪功能产生积极影响,模仿迷幻体验的各个方面.
  • 观察到的效应表明"觉醒放松"的状态与认知增强相结合.
  • 高密度VVEs为治疗干预提供了一个有前途的途径,可能会带来降低风险的迷幻效益.