PS261 Chapter Notes - Chapter 9: Exposure Therapy, Flight Controller, Classical Conditioning
Document Summary
Learning is useful because the new responses that are acquired often facilitate adjustment to a changing environment. Changes in environment can also favour the loss of conditioned behaviour. In classical conditioning, outcome or us is presented as consequence of a cs and extinction involves repeated presentations of cs without us. In instrumental conditioning, outcome is consequence of instrumental response and extinction involves omitting the us when instrumental response occurs. Rescorla wagner model presents extinction as the opposite of acquisition. However, extinction is not the same as forgetting or unlearning. Exposure therapy is an extinction procedure in which participants are exposed to cues that elicit fear in the absence of aversive us. Target response decreases whe response no longer results in reinforcement. Decline in responding occurs in the face of an increase in variability of the response sequences the participants perform. Emotional reaction induced by withdrawal of an unexpected reinforcer is frustration.
