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Jerzy Konorski : ウィキペディア英語版 | Jerzy Konorski
Jerzy Konorski (December 1, 1903 in Łódź, Congress Poland – November 14, 1973 in Warsaw, Poland) was a Polish neurophysiologist who further developed the work of Ivan Pavlov by discovering secondary conditioned reflexes and operant conditioning. He also proposed the idea of gnostic neurons, a concept similar to the grandmother cell. He coined the term neural plasticity,〔Livingston, R.B. (1966) Brain mechanisms in conditioning and learning. Neurosciences Research Program Bulletin 4(3):349-354.〕 and he developed theoretical ideas regarding it that are similar to those proposed soon after by Donald Hebb. ==Secondary conditioned reflexes== When he and Stefan Miller were medical students in Warsaw they proposed another type of conditioned reflex in addition to that discovered by Pavlov which was under the control of reward. This has come to be known as "type II conditioned reflexes," or secondary conditioned reflexes Type II conditioned reflexes are now known as operant or instrumental conditioning. He spent two years at Pavlov's laboratory as the result of a letter that he sent to Pavlov describing this work. Pavlov however was never convinced that instrumental conditioning (which Konorski called "Type II" to distinguish it from Pavlov's "Type I" learning) differed in any important way from his own Type I conditioning. An exchange between B. F. Skinner and Konorski also occurred over the two types of learning. Skinner had originally referred to operant conditioning as Type I and Pavlovian conditioning as Type II. Konorski agreed to revise his nomenclature to avoid confusion.
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