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noise in search for global minimum- Rummelhart, McClelland?

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Sherrington- decerebrate animals- "reflexes" more stereotyped

Peter-leech

Krasne and Wine

Klintman- rat bar pressing

exploratory behavior rats, mice

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Resnick - Turtles, Termites, and Traffic Jams

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Haken, Kelso- multistable percepts

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Darwin

Meiosis?

Immune System?

Baldwinian evolution- behavioral variability changes environ- new selective forces

Cultural evolution- language, rituals, fashion???