Quiz 3 1.Name one of Pavlov’s neutral stimuli. 2.According to Watson, his findings discredited the...
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Transcript of Quiz 3 1.Name one of Pavlov’s neutral stimuli. 2.According to Watson, his findings discredited the...
Quiz 31. Name one of Pavlov’s neutral stimuli.
2. According to Watson, his findings discredited the work of __________.
3. Who/what was superstitious?
4. In the past 30 years there have been at least three congressional hearings on _________ _________.
5. Why would an American travel to Germany to study with Wundt?
6. Name one disorder that Kraeplin studied and described.
Ivan Pavlov (1927)
• Physiologist– Unconditioned Reflex– Conditioned Reflex– Launched “Behaviorist Movement”
• Aplysia californica explained underlying physiological mechanisms– Back-propagation of the neural
message
Ivan Pavlov (1927)
• Physiologist– Unconditioned Reflex– Conditioned Reflex– Launched “Behaviorist Movement”
• Aplysia californica explained underlying physiological mechanisms– Back-propagation of the neural
message
Cellular Mechanism of Learning
Presynaptic From Gill – Big Effect
Postsynaptic Motor
Presynaptic From Mantle – Little Effect
If both are repeatedly active at the same time
Presynaptic From Gill – Big Effect
Postsynaptic Motor
Presynaptic From Mantle – No Effect
Strength of Previously Weak Synaptic Junction is Increased
Presynaptic From Gill – Big Effect
Postsynaptic Motor
Presynaptic From Mantle – Enhanced Effect
Watson and Rayner (1920)
• John Broadus Watson– Expanded Pavlov’s findings– Behavior comes from outside
influences – Simple Non-Freudian explanation– The first clearly documented
“taste tests”– The first I-O psychologist
Watson and Rayner (1920)
• John Broadus Watson– Generalization– Fear was contextually modified– Results opposed the eugenics
movement
B.F. Skinner (1948)
• Father of Radical Behaviorism– Operant Conditioning (vs.
Classical Conditioning)– Trained at Harvard (1931)– U. of Minnesota, Indiana– Back to Harvard– Felt unappreciated
B.F. Skinner (1948)
• Father of Radical Behaviorism– Noncontingent Reinforcement– Can results be applied to
humans?– ADHD?