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Evol. psy. 307 Lec 8
Lec 8 food selection
| Term | Definition |
|---|---|
| reproductive success | ultimate currency of evolution |
| food selection | a central problem of survival |
| black widow male detects | whether a potential mate has recently eaten |
| nursing mammals | solved infancy food selection problem |
| nursing EPMs | sucking, rooting, milk ejection (let-down) reflex |
| adult rat preferences | sweet (high calorie) over bitter (may be poison) |
| salt deficiency | rats eat salt rich foods |
| full | reduces value of eating |
| food neophobia | avoid new food if possible, eat lower amounts of new food, avoid mixing, smell rats breath to see what it's eaten |
| of two novel foods | choose one other rat ate 90% of time |
| potassium adaptation | or correlate detector, assess if K is low |
| food social elements | celebrations, stories, metaphors |
| starvation | generally high food motivation after fat burn starts |
| human nursing | increases child bonding |
| humans prefer ____________ and not _____________ | sweet, bitter |
| hydration and calorie EPMs are | "needs-adjusted" |
| specific needs human EPM | salt |
| no evidence for EPMs for | meat, potassium, iron |
| food neophobia | prefer usual to new |
| mitigate costs of food neophobia | small servings, avoid mixing, watch other eaters |
| social transmission of food preferences | availability, guinea pig likes-more likely to try |
| ethnic cuisine result of | social transmission |
| antimicrobial hypothesis | eating spicy food provides the adaptive benefit of reducing microbial contamination |
| evidence for antimicrobial hypothesis | common spices (garlic, onions) potent antimicrobials, hotter climate has hotter food, more spice for meat than vegetables |
| bacteria grown in meat | more likely to infect humanss |
| more people in Japan get food poisoning | than in spice rich Korea |
| spice serve to reduce microbial contamination of food | outside (not inside) the body |
| frugivory by-product hypothesis | human like for alcohol is not an adaptation but a by-product of a liking for ripe fruit |
| Why did the high cost of high alcohol consumption not produce an EPM for not drinking alcohol? | EEA had no concentrated alcohol |
| innate food disgust | feces, wounds (hair aversion likely learned) |
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james22222222
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