COGSCI 111 Feb4ALecture - 3. How much energy to support a...

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Hypotheses for these brain size increases The tool maker/use H The man-the-hunter/fisher H The social brain/group size H
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Sexual selection Intrasexual selection (competition with your own sex) Intersexual selection (mate selection, success with the other sex)
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Hypotheses for these brain size increases The tool maker/use H The man-the-hunter/fisher H The social brain/group size H The mating mind H
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Hypotheses for these brain size increases The tool maker/use H The man-the-hunter/fisher H The social brain/group size H The mating mind H The good mother H The cooked cuisine H
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Pre-modern Modern
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The impact of cultural evolution on genetic evolution Cooking and: 1. How much space there is in the head for a brain 2. How much energy has to be devoted to the gut
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Unformatted text preview: 3. How much energy to support a larger brain can be acquired in a day The impact of cultural evolution on genetic evolution Animal domestication and agriculture Example 1: Dairying and lactose tolerance: two independent events in two different parts of the world Example 2: Starch eating and the number of AMY1 (salivary amylase) genes Brain size evolution then stopped. Why? What kinds of changes have been occurring since then? Because of what selective pressures? How does culture continue to alter our brains? Civilization did not bring an end to biology. Civilization enabled important aspects of human biology Daniel Lord Smail (Deep History and the Brain)...
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This note was uploaded on 02/25/2008 for the course COGST 1110 taught by Professor Adkinsregan,e&ho during the Spring '08 term at Cornell University (Engineering School).

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COGSCI 111 Feb4ALecture - 3. How much energy to support a...

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