PSY100H1 Chapter Notes - Chapter 6.1: Classical Conditioning, Conditioned Taste Aversion, Drug Tolerance
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PSY100H1 Full Course Notes
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Learning: behaviour / knowledge changes through experience. Classical conditioning: learning when neutral stimulus elicits a response associated w/ another stimulus. Unconditioned stimulus (us): stimulus that elicits reflexive response (innate) Unconditioned response (ur): reflexive, unlearned reaction to stimulus. Conditioned stimulus (cs): once-neutral stimulus that later elicits conditioned response- associated w/ us. Conditioned response (cr): learned response to conditioned stimulus (cs) Occurs in most basic organisms critical to organisms" survival. Connections b/w neurons strengthened: when cs & us occurs simultaneously / closely cs. Both neural networks stimulated link b/w 2 distant thing strengthened. Acquisition: initial phase- association is established: us is repeatedly paired with cs, stronger association if cs consistently paired w/ us. Extinction: loss/weakening of conditioned response when cs & us no longer associated / occur together: when cs occurs, but no us, can quickly reappear if paired together again- networks are preserved. Spontaneous recovery: reoccurrence of previously extinguished cr.
