更年期精簡幹練的大腦

因故,需要整理自己的履歷。

人生過半,重新盤點之後,發現自己做了好多事情,要盡可能完全列出的話很佔版面。CV 想要一目了然,因此花了些時間精簡,刪去曾經驕傲的細節,蠻像是神經系統的突觸修剪(pruning)。想起《The Menopause Brain》作者 Lisa Mosconi 在許多訪談中都談到,更年期大腦也經歷 pruning,因為人生進入了不同的階段,需要的神經連結與前面的階段不再相同。編輯 CV 時,似乎瞥見了這個過程。

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底下節錄翻譯 《The Menopause Brain》關於神經系統突觸修剪的段落,跟大家分享。

It is plausible that as the brain approaches menopause, it gets another chance to go leaner and meaner, discarding information and skills it no longer needs while growing new ones.
很有可能大腦接近更年期時,得到了另一個讓大腦更加精簡幹練的機會,丟棄不須要的資訊和技能,培養新能力。

For starters, some of the brain-ovary connections necessary to make babies are no longer needed, so arrivederci to that. But also all the neurologically expensive skills we reviewed in the last chapter-decoding baby talk, subduing temper tantrums, and high-level multi-tasking-are not as relevant once your birdie has flown the coop. They are still helpful, but not urgent.
首先,與育兒相關的大腦─卵巢連結已經不需要了,所以我們跟這部分說再見。接著,前一章回顧的那些神經學上珍貴的技能─理解兒語、控制脾氣,以及高強度多工模式也不重要了,因為我們的雛鳥們已經長大離巢。那些能力還是蠻有用的,但已經沒有迫切的需要。

It only makes sense, then, that the brain would eventually start pruning away those expired connections-and what better biological clue to do so than menopause. Again, many believe that, as this latest and greatest brain update unfolds, that's when hot flashes, brain fog, and other bothersome symptoms kick in.
所以大腦最終會開始修剪這些過期的連結是很合理的,而更年期正是一個最好的生理線索。許多人相信,在大腦更新進入最新版的時刻,正是那些熱潮紅、腦霧和令人懊惱的症狀會開始出現的時候。

Once the update is complete, the symptoms start dissipating (which may take longer than the other two P's because now we are ... well, older).
等大腦更新完成,那些症狀就會慢慢消散。耗費的時間可能會比另外兩個 P(Puberty, Pregnancy)長一些,因為現在我們... 嗯,年紀大了。


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