speedyg
1 Answer
Bob/PKB
VERY TRUE:
In the average adult human, the brain represents approximately 2% of the total body weight but approximately 20% of the energy consumed (Clark & Sokoloff 1999), 10 times that predicted by its weight alone. Relative to this high rate of ongoing or “basal” metabolism (usually measured while resting quietly awake with eyes closed), the amount dedicated to task-evoked regional imaging signals is remarkably small.
http://ask.metafilter.com/53568/Why-does-the-brain-use-up-so-much-energy
| 12 years ago. Rating: 6 | |
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