IMPRINTING: An early experience that is very specific in nature.

Maternal/ filial imprinting

Can be measured at the timeImprinting takes place… attention to mother, following etc…

Sexual imprintingMeasurable only after sexual maturity…How the early experience affects its selection of sexual partner

Various behavioural changes whereby an young animal becomes attached to…

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Irreversibility: primacy, recency

Critical period

Lorenz’s claims:

Irreversibility: primacy, recency

Critical period : one or two hour from birth the mother lamb or goat has to smell and lick her new borns in order to accept them and lactate

Sexual imprinting: Cross fostering…Zebra finch courting Bengaleese finch

Bird song development