. Brain mechanisms and learning, a symposium. Psychophysiology; Learning, Psychology of. r CLICKS T 14 JULY 59 .1- '. âL ^-;-^â; j^ -:^-|t::_ , ; zâi .- F" 1 ^: - - ii tfi~ â T E' : - : l_ . , - â 1^- - - â 1 -- 1 ^ if i L£l-. â -â ' ' . 1- .A r Er aJV-^ ^W tâ'^!!^ T^:-.[- =^n^ |=.j==;i: \ _#^ : jj^y-. .=^^1 ^^jL-S*t :^^-! ^;^-. ^ -^ : . k^ â "-/â n-l' Y"' ^:-^->-Z^~ - B -"-;-â : -r;: : r - â 1 t , T â T MOTOR CORTEX 15 JULY 59. CLICKS TONE Fig. 5 Records of lever pressing for grape juice. The animal is rewarded for each press and this is recorded by an upward ex
. Brain mechanisms and learning, a symposium. Psychophysiology; Learning, Psychology of. r CLICKS T 14 JULY 59 .1- '. âL ^-;-^â; j^ -:^-|t::_ , ; zâi .- F" 1 ^: - - ii tfi~ â T E' : - : l_ . , - â 1^- - - â 1 -- 1 ^ if i L£l-. â -â ' ' . 1- .A r Er aJV-^ ^W tâ'^!!^ T^:-.[- =^n^ |=.j==;i: \ _#^ : jj^y-. .=^^1 ^^jL-S*t :^^-! ^;^-. ^ -^ : . k^ â "-/â n-l' Y"' ^:-^->-Z^~ - B -"-;-â : -r;: : r - â 1 t , T â T MOTOR CORTEX 15 JULY 59. CLICKS TONE Fig. 5 Records of lever pressing for grape juice. The animal is rewarded for each press and this is recorded by an upward excursion of the trace. On July 12th for the fivc-minute period labelled 'clicks' between the arrows each lever- press turned on a clicking sound for 3 seconds in addition to operating the solenoid dispensing the juice. No tests were made on July 13th. On July 14th coupling a cortical US with each Icvcr-press produced no disturbance in pressing behaviour beyond that attributable to the violence of the UR. On July 15th the same clicking sound used on July 12th now no longer disturbs pressing behaviour, but introduction of a 2000 cycle tone with each press brought this behaviour to a halt. Started again pressing without the tone by administration of several 'free' millilitres of juice, the monkey continues to press with only a minor slowing of rate when the tone is presented during a second Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Council for International Organizations of Medical Sciences; Fessard, A. (Alfred); Delafresnaye, J. F. (Jean Francisque), 1919-. Springfield, Ill. , Thomas
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Keywords: ., bookcentury1900, booksubjectlearnin, booksubjectpsychophysiology
