Ch.5a Lecture - o unconditioned = unlearned(reflexive o The...

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Chapter 5a: Learning Classical Conditioning Learning is… … a relatively permanent change …in o behavior, o knowledge, o capability, or o attitude… … acquired through experience ,,, not attributable to o illness, o injury or o maturation The major learning theorists classical conditioning o Pavlov o Watson o Rescorla operant conditioning o Thorndike o Skinner cognitive learning o Kohler o Tolman o Bandura What is classical conditioning? Simply put, classical conditioning is a form of learning through association . For example… o Does your cat come running when…? o Does that cologne make you think of…? o Why do you hate the sound of a drill…? o What’s so sexy about a soft drink? Classical conditioning explains many of our unique preferences and aversions. Pavlov’s “drooling” dog (c. 1900) Sound a tone… Present the food The dog salivates. Repeat… Sound the tone… Skip the food. What happens?
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Classical Conditioning: The Elements Unconditioned stimulus & response
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Unformatted text preview: o unconditioned = unlearned (reflexive) o The UR occurs naturally & automatically in response to the US. US (food) => UR (salivation) CS (tone) => CR (salivation • Conditioned stimulus & response o conditioned = learned o The CR is learned thru the association of the US & CS. Classical Conditioning: Terms & Concepts • Reinforcement … is the pairing of the CS & the US • Extinction … is the disappearance of the CR with repeated presentations of the CS without the US. • Stimulus generalization … occurs when a stimulus similar to the CS produces the CR. • Discrimination … involves learning the difference between the CS and other/similar stimuli. Classical conditioning: Emotions (Watson) • Fear can be classically conditioned • ‘Little Albert’ o US (loud noise) => UR (fear) o CS (white rat) => CR (fear) • What happens when stimulus generalization occurs?...
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