4 prenatal dev

4 prenatal dev - Shift in lial preferences in rats Day 15...

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2/2/11 1 Shift in Flial preferences in rats 1 Day 15: shift in sensory control from thermal to olfactory Chronotypic but mediated by thermotactile stimulation 2 Suckling not necessary Milk unnecessary and non- additive Thermotactile stimulation sufFcient to induce preference and is equivalent to foster dam
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2/2/11 2 What is development? Habitat: “address” Niche: “occupation” - the functional relations between an organism’s capacities and the environment Development is a series of adaptive changes to a series of environmental challenges - Organism and environment change one another - Niche construction: through mutual modiFcations, new relationships emerge over developmental time 4 What is development? Development is a series of adaptive changes to a series of environmental challenges Where do the adaptive changes come from? Development is the emergent product of many decentralized and local interactions that occur in real time (remember the “A not B” example) 5 “A not B error” 6
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2/2/11 3 How to think like a developmental scientist What are the mechanisms of change? At what levels of organization do the mechanisms exist? At what timescales do the mechanisms operate?
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4 prenatal dev - Shift in lial preferences in rats Day 15...

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