anthrorecording.pdf - The Brain: Basic brain anatomy Parts...

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The Brain:Basic brain anatomyParts of brain and nervous systemBrain evolution: What makes primates and humans unique?Primates generally but humans specificallyHumans energy paradox? How can we explain it?Primates have large brainsAbove trendline – individuals with larger brainsEncephalization quotient = observed / expected brain quotientBrain size relative to body sizePrimates above the line (larger brain for their body size than expected as opposed toother animals)Humans have largest brain size when accounting for body sizeHumans have largest overall brain? NOThe Humans Energetic Paradox: How do we fuel the Human Adaptive Suite?Births per year? HumansBrain size? HumansLifespan longest? HumansGet the trendAll of that takes energyWe give birth quickly, have big brains, and we live a long time. How do we explain that?Food shareand grandmothering (kin selection which reduce interbirth intervals) andfaster metabolismthat increases total energy spenditureFood sharing and faster metabolism = larger brain, longer lifeLife History:The tradeoffs!

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Term
Spring
Professor
Brinkworth,Jessica
Tags
Demography, Luteinizing hormone, Follicle stimulating hormone

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