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HIGH SCHOOL

Concept Videos

Introduction to Psychology

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Biopsychology

Brain Chemicals That Shape Mood and Movement

Description

Neurotransmitters are chemical messengers that help neurons communicate. They play a major role in nervous system function, as well as in mood, movement, sleep, and social behavior.

Serotonin is made in the brain and intestines. It is linked to well-being and happiness, and it helps regulate mood...

Transcript

神经递质在神经系统中充当化学信使,对神经元之间的信息传递至关重要。

它们调节生理和心理过程,包括情绪、记忆、睡眠模式和心率。

有多种神经递质,每种都具有特定的功能。

例如,血清素与幸福感和快乐相关,会影响情绪、食欲和睡眠。血清素水平失衡可能导致抑郁和睡眠问题。

多巴胺是奖赏系统的核心,影响愉悦感和动机。多巴胺失调与帕金森病和精神分裂症相关。

相比之下,GABA 是大脑主要的抑制性神经递质,可降低神经兴奋性。GABA 水平低下与癫痫发作、震颤和失眠有关。

乙酰胆碱支持肌肉激活以及记忆和注意力等认知功能。乙酰胆碱失衡与阿尔茨海默病相关。

去甲肾上腺素与注意力和应激反应相关。它在战斗或逃跑反应中...