BIOL 3P60 Lecture Notes - Lecture 6: Aplysia
23 Jan 2018
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Lecture 6 biol 3p60 | january 19, 2018. A cns driven waning of a response ager repeated presentahon of a shmulus (no pleasant or unpleasant associahon) Animal leans not to respond to a parhcular shmulus. I. e. shmulus has proven to be harmless. Learning a new skill or a new associahon. Parhally emerges from its tube to feed (figure 5. 1) Withdraws into its tube when it senses danger (i. e. a shadow) Habituahon is occurring at the decline in the behaviour (seen on graph) Mouse hearing a repeahng sound - rst hme it shocks them and eventually they ignore it. Snail tail being touched - inihally withdraws, and over hme, ignores it. Young turkeys, chickens, and pheasants innately shoe anh-predator behaviours. Crouch, give alarm calls at the sight of the objects moving overhead. Elicited fewer and fewer alarm calls from chicks. As adults, they respond only to the image of a predator. Changes over hme and age, and experience.
