[7] 1立方厘米脑组织里：Eagleman, Incognito, p. 2.
[8]　它分为两个半球：Ashcroft, Spark of Life, p. 227; Allen, Lives of the Brain, p. 19.
[10]　虽然小脑只占颅腔的10％：Allen, Lives of the Brain, p. 14; Zeman, Consciousness, p. 57; Ashcroft, Spark of Life, pp. 228-229.
[11]　人的衰老快慢速度：‘A Tiny Part of the Brain Appears to Orchestrate the Whole Body's Aging', Stat, July 2017.