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Psychologist : Ivan Pavlov

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Laura Wease

on 15 November 2013

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Transcript of Psychologist : Ivan Pavlov

Biography of Ivan Pavlov
Ivan Petrovich Pavlov, September 26 1849 - February 27 1936.
Lived in Russian Empire, Soviet Union.
Married to Seraphina Vasillieuna (died in 1947), 5 children ( Vladmir, Victor, Vera, Vsevolod, Wirchik.)
Fields of study: Physiologist, Physician, Psychologist.
Known for: Classical conditioning, trans marginal Inhibition, behavior modification.
Notable awards: Nobel Prize in Physiology or Medicine

Experiments
His most famous experiments were:
The Bell Experiment
The Lab Coats Experiment.
The Lab Coats Experiment
The lab coat experiment was an accidental experiment, but helped a great deal with Pavlov's research.
The people who fed the dogs wore white lab coats.
Even if it wasn't time to feed, the dogs would drool at the sight of a white lab coat.
Pavlov believes this was because of the association with food.
His Work
While studying the digestive function of dogs, Pavlov realized the dogs would salivate right before the food was delivered. He wanted to figure out what caused their drooling so he began a new study and conducted many experiments.
The Bell Experiment
This experiment happened after the lab coats experiment, to test his theory.
Pavlov began ringing a bell every time he fed the dogs.
After a bit of time, due to the association the bell had with feeding, the dogs would drool at the sound of a bell, even if there was no food.
He attached a little vial to the dogs cheek, that was attached to the salvatory gland and collected the saliva that the dogs produced. This was done to compare saliva levels.
Psychologist : Ivan Pavlov
His Conclusion
The dogs' drooling turned out to be because of reflexes. The connection between the food and the item triggered the stimulus and caused drooling. Reflexes originate in the cerebral cortex of the brain.
The dogs' drooling was an unconditioned (built-in) reflex. Comparable to when your pupils shrink in the light or your leg kicks out when your knee gets knocked.

Extinction Therapy
Pavlov's discovery has influenced our society more than one would think.
One example of how Pavlov's discovery is being used today is for "extinction therapy".
Extinction therapy is used to treat many environmental phobias, such as heights or crowds.

Extinction therapy occurs when a patient is taught a muscle relaxation technique. They are told to apply this technique while imagining they are experiencing the fear-producing situation. After awhile of this, the patient associates the situation that once scared them, with relaxation instead of fear and anxiety.
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