Word: cats
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Dates: during 1930-1939
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...long can the University continue without a policy towards the man-eating shark. It is well known that the several types of this fish year in and year out cat as many as twenty or thirty persons without regard to color or occupation. Yet there has been no sign from University Hall of any interest in the matter, and persons who work in shark infested waters keep saying without much hope, "Wait till a Harvard professor is eaten by a shark. We'll see some action Then...
...results," they wrote, "of stimulating the left side of the cat's cerebellum for five seconds can best be presented by describing a single attack. During the stimulus the cat suddenly drew back its head, leaving both fore feet extended in front. As the stimulus ceased, the cat lifted its left forefoot and held it up for 30 seconds. At one minute after the stimulus the left forefoot was again lifted gradually until it was held high in flexion. The foot and leg seemed sensitive to touch. The foot was gradually returned to the table but remained tense...
When Experimenters Clark & Ward touched the right side of the cat's cerebellum, the cat performed the same movements in the opposite direction starting with the right fore limb. Whenever they touch the midline of the cerebellum, "both fore limbs are involved at once and the cat may sit on its haunches with both fore limbs in the air; then both hind limbs become affected...
...significance of these experiments was that stimulation to any spot in a cat's hind brain radiates to other control spots in the hind brain, since in every cat which Drs. Clark & Ward trepanned, the single stimulus set off an unvarying sequence of all the cat's actions. This suggested what every notable physiologist has hoped to prove-that there is a particular spot in the hind brain for the control of every muscle in the body...
...next cat experiment of Drs. Clark & Ward was even more exciting; gave more specific support to this classic but never entirely proved theory. They removed half of their cat's hind brain thus preventing radiation of stimuli, and touched the sound half with an electric current. This time the cat slowly raised only the foreleg on the stimulated side, slowly put it down. Patient Drs. Clark & Ward are seeking other motor centres...