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相关概念视频

Hallucinogens and Psychedelics01:27

Hallucinogens and Psychedelics

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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...
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CNS Stimulants: Psychedelic Agents01:22

CNS Stimulants: Psychedelic Agents

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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...
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血清醇类迷幻DOI会损害听觉皮层中偏差检测的功能.

Max Horrocks1, Jennifer L Mohn1, Santiago Jaramillo1

  • 1Institute of NeuroscienceUniversity of Oregon, Eugene. Oregon, United States.

Journal of neurophysiology
|December 27, 2024
PubMed
概括

迷幻化合物DOI增加了听力皮层神经反应的可变性,并损害了对意外声音的检测. 这表明迷幻药通过降低对新闻听觉事件的敏感性来破坏感官处理.

科学领域:

  • 神经科学是一个神经科学.
  • 心理药理学 心理药理学
  • 听觉神经科学 听觉神经科学

背景情况:

  • 迷幻药会引起感知扭曲,但听觉系统中的神经机制尚不清楚.
  • 血清素2A受体与迷幻效应有关.
  • 了解听觉处理变化是理解迷幻状态的关键.

研究的目的:

  • 研究DOI对小鼠听觉皮层神经元活动的影响.
  • 检查DOI对声频调节,响应变化和偏差检测的影响.
  • 阐明迷幻诱导的听觉变化的神经机制.

主要方法:

  • 给予DOI (色素2A激动剂) 唤醒小鼠.
  • 在听觉皮层记录神经活动.
  • 分析了频率调整,响应变化和偏差检测.

主要成果:

  • DOI并没有持续改变听觉神经元频率选择性.
  • DOI增加了试验对试验的神经反应的变化.
  • DOI减少了标准和奇怪声音之间的神经区分,减少了偏差检测.

结论:

关键词:
审计审计审计审计审计审计审计审计审计审计一个奇怪的怪人.感知扭曲 感知扭曲迷幻药物 迷幻药物是一种精神药物.从上到下,从上到下.

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  • DOI可以抑制听力皮层对意外声音的敏感性.
  • 迷幻药物通过改变神经反应可变性和偏差检测来破坏感官处理.
  • 研究结果提供了关于在迷幻状态期间改变听觉感知的神经基础的见解.