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Home
JoVE Core
Introduction to Psychology
意识状态改变
Video Quiz
意识状态改变
JoVE Core
Introduction to Psychology
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JoVE Core Introduction to Psychology
Altered States of Awareness

4.3: 意识状态改变

1,326 Views
01:06 min
October 24, 2024
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

意识状态改变代表与正常精神状态的显著偏离。这些偏离的范围从意识的细微变化到感知、思维过程和感官体验的深刻转变。意识状态的改变可能由各种因素引发,包括吸毒、冥想、催眠、疾病,甚至极度疲劳。

摄入兴奋剂或致幻剂等物质会导致大脑发生化学变化,从而显著影响人的精神状态。这些物质会改变神经递质活性,进而增强或减弱感官知觉并改变警觉性。例如,兴奋剂通常通过增强神经递质活性(特别是多巴胺)来提高警觉性、注意力。相反,致幻剂(如 LSD 或裸盖菇素)通常会通过影响血清素通路产生视觉和听觉上的幻觉,从而改变人对现实的感知。大麻既是一种兴奋剂,又是一种致幻剂,它能增强感官体验,使色彩看起来更鲜艳,声音更清晰。

某些疾病也会导致意识状态改变。影响大脑的疾病,如引起高烧的感染,会扰乱正常的认知功能和感官知觉。例如,严重的发烧会扰乱正常的大脑处理,导致幻觉或妄想。这些体验通常是短暂的,会随着潜在疾病的改善而消退。

催眠是另一种意识状态改变的形式,其特征是注意力高度集中,将人的注意力集中在特定的想法或任务上,同时增加他们的受暗示性。这种状态通常用于治疗,以改变行为、增强放松或控制疼痛。在治疗过程中,可以引导个人将注意力集中在催眠师的声音或物体上,促进深度放松和受暗示性状态,有助于减轻压力或改变行为。

冥想需要刻意将注意力集中在一个参考点上,例如呼吸或吟诵。这种做法有助于减轻压力,提高整体思维清晰度和情绪稳定性。通过定期冥想,人们可以达到一种平静和高度警觉的状态,这对身心健康都有好处。这种专注的状态可以促进内心的平静感,并可以长期改善压力和焦虑的管理。

每个触发因素都会导致不同的意识体验,显示出大脑在各种条件下改变其感知和信息处理的非凡能力。

Transcript

意识状态的改变可能是物质引起的,也可能是由疾病、冥想和催眠触发的。

使用兴奋剂或致幻剂等物质会改变大脑中的化学物质,从而影响意识。

例如,大麻会改变感官知觉,使颜色看起来更明亮,听起来更清晰。

同样,生病期间的高烧会改变意识,导致患者看到或听到不真实的事物。

催眠是一种高度专注和注意力狭窄的恍惚状态。

例如,在减压催眠过程中,一个人更容易接受治疗师的指示,以帮助他们放松和减轻压力。

同样,冥想包括专注于呼吸或重复短语等方面,以帮助放松、提高注意力和缓解压力。

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