為什麼強烈的正向情緒會誘發猝睡症患者的猝倒 ( NEJM 2022; 386:1950-1952 ) episode artwork

EPISODE · Jul 31, 2022 · 34 MIN

為什麼強烈的正向情緒會誘發猝睡症患者的猝倒 ( NEJM 2022; 386:1950-1952 )

from 探索大腦的會談地圖 · host 林煜軒醫師

為什麼猝睡症(narcolepsy)在強烈的正向情緒(例如驚喜、大笑)的時候,很容易會誘發猝倒(cataplexy)? 快速動眼期睡眠(rapid-eye-movement, REM)的夢會什麼會比較具有情緒張力? 最近發表在 Science 的研究指出:這些臨床、生理學的現象,可能與大腦中掌管情緒的杏仁核(amygdala)傳遞多巴胺訊息的神經路徑有關。 《新英格蘭醫學期刊》(NEJM)「基礎醫學的臨床意涵」(clinical implications of basic research)特別介紹發表在Science的這項基礎科學研究,並且深入簡出的介紹快速動眼期最新的生理學機制:從中腦腹側被蓋區(ventral tegmental area, VTA)到杏仁核的多巴胺系統,以及臨床的情緒調控、獎賞回饋機制、睡眠的關聯性。 關於猝睡症(narcolepsy)與猝倒(cataplexy)的臨床症狀與處理以及睡眠生理學,也可以複習《會談地圖》第十章「睡眠醫學」的相關章節。 參考文獻: 1. Rapid eye movement sleep is initiated by basolateral amygdala dopamine signaling in mice. Science 2022;375:994-1000. 2. Catching Up on REMs. N Engl J Med 2022; 386:1950-1952 3. Narcolepsy. N Engl J Med 2015;373:2654-2662. Powered by Firstory Hosting

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為什麼強烈的正向情緒會誘發猝睡症患者的猝倒 ( NEJM 2022; 386:1950-1952 )

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