Lecture 3

Lecture 3 - Lecture 3: Imprinting and Categories of...

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Lecture 3: Imprinting and Categories of Learning (Tinbergen’s 2 nd Question) Part I: Imprinting - Who was Konrad Lorenz? “The goose lover” o Ethologist o Grey-leg geese – not tame o Imprinting: form of learning in which individuals exposed to key stimuli during a sensitive (critical) development period from an association with that stimulus This association has important consequences later in life - Introduction to critical periods o Critical period: brief, well-defined developmental period when an organism becomes impressionable to environmental stimuli (classic definition) Exposure to particular stimuli at this time produces irreversible effects on subsequent behavior Plasticity in regards to hormones - Learning who you are… (Filial imprinting and testing in ducklings) o Imprinting occurs during a critical period Duckling is imprinted on the block Duckling follows the block, not the model block o Imprinting sensitivity period in Mallard ducklings Exposed to block first day of life then gave biggest response to the block
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This note was uploaded on 06/21/2011 for the course NPB 102 taught by Professor Hahn during the Spring '09 term at UC Davis.

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Lecture 3 - Lecture 3: Imprinting and Categories of...

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