PSYC 107 1nd Edition Lecture 20 Outline of Last Lecture I Ways of Learning II Behaviorism Quiz III Learning IV Pavlov V Acquisition Outline of Current Lecture I Extinction II Spontaneous Recovery III Unconditioned Response IV Stimulus Generalization Discrimination V Pavlov s Understanding VI Biological Predispositions Current Lecture I Extinction a When the US food does not follow the CS tone CR salivation begins to decrease and eventually causes extinction II Spontaneous Recovery a After a rest period the CR salivation spontaneously recovers but if the CS tone persists without food US the CR becomes extinct again III Unconditioned Response a An unlearned automatic behavior that is built in to our nervous system i Salivating at the sight of food ii Pulling away because of pain iii Nausea due to something rotten iv Shivering due to cold These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute v Sexual arousal when viewing naughty things IV Stimulus Generalization Discrimination a Generalization tendency to respond to a stimulus similar to the CS fearful of all dogs after being bit by a pitbull b Discrimination learned ability to distinguish between CS and other stimuli that do not signal an unconditioned stimulus fearful of only pitbulls after being bit by a pitbull V Pavlov s Understanding a Pavlov and Watson thought the mind was not fit for the study of psychology However they underestimated the importance of i Cognitive processes ii Early thinking mindless behavior iii Later thinking animals learn to anticipate the stimulus b Pavlov s legacy i All animals can learn by CC ii Showed how a process can be studied objectivly VI Biological Predispositions a A biologically adaptive CS taste led to conditioning b Humans develop classically or conditioned nausea c
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