Healthy brains maintain strong connections between neurons thanks to the brain's continuous efforts to prune itself and remove unused or faulty neural connections.

健康的大脑中神经元之间强有力地连接在一起，多亏了大脑不断修剪清除无用的或错误的神经连接。

Life in the lonely, dark cave had warped Siffre's own perception of time despite his brain's best efforts to keep him on track.

尽管他的大脑尽最大努力让他走上正轨，但在孤独、黑暗的洞穴中生活已经扭曲了 Siffre 自己对时间的感知。