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Animal Intelligence animal psychology animal's asso association of ideas behavior bolt cage cats and dogs chance chick chute claw climb comparative psychology complex connection consciousness course curves delicacy discomfort dogs and cats elements escape exercise and effect experiments F After 24 fact failed feel fish form the association free ideas front given habit hand histology human imitation impulse inches inclined plane inference instinct intellect jump later law of effect laws of exercise learning Lloyd Morgan loop mammals means mental method mind minutes monkeys movements nail nature neurones object observed pecked perform phenomena plug present primates protozoa pull pulley push question react reaction reason represent response sense-impression signal similar situation sort sound string string box success sure synapses thing thought thumb latch thumb piece time-curves tion toothache trials tried tuition wire
Page 249 - By a satisfying state of affairs is meant one which the animal does nothing to avoid, often doing things which" maintain or renew it. By an annoying state of affairs is meant one which the animal does nothing to preserve, often doing things which put an end to it.
Page 248 - Of several responses made to the same situation, those which are accompanied or closely followed by satisfaction to the animal will, other things being equal, be more firmly connected with the situation, so that, when it recurs, they will be more likely to recur; those which are accompanied or closely followed by discomfort to the animal will, other things being equal, have their connections with that situation weakened, so that, when it recurs, they will be less likely to occur. The greater the...
Page 286 - Thou madest him to have dominion over the works of thy hands ; Thou hast put all things under his feet : All sheep and oxen, yea, and the beasts of the field ; The fowl of the air, and the fish of the sea, And whatsoever passeth through the paths of the seas.
Page 37 - The behavior of all but 11 and 13 was practically the same. When put into the box the cat would show evident signs of discomfort and of an impulse to escape from confinement. It tries to squeeze through any opening; it claws and bites at the bars or wire; it thrusts its paws out through any opening and claws at everything it reaches; it continues its efforts when it strikes anything loose and shaky; it may claw at things within the box. It does not pay very much attention to the food outside, but...
Page 26 - It was merely to put animals when hungry in enclosures from which they could escape by some simple act, such as pulling at a loop of cord, pressing a lever, or stepping on a platform.
Page 31 - O at front." B. A string attached to the bolt ran up over a pulley on the front edge of the door, then across the box to another pulley screwed into the inside of the back of the box...
Page 37 - With 13, an old cat, and 11, an uncommonly sluggish cat, the behavior was different. They did not struggle vigorously or continually. On some occasions they did not even struggle at all. It was therefore necessary to let them out of some box a few times, feeding them each time. After they thus associate climbing out of the box with getting food, they will try to get out whenever put in. They do not, even then, struggle so vigorously or get so excited as the rest.
Page 31 - This turned on a nail driven into the box % inch above the middle of the top edge of the door. The door would fall inward as soon as the button was turned from its vertical to a horizontal position. A pull of 125 grams would do this if applied sideways at the lowest point of the button 2^ inches below its pivot. The cats usually clawed the button round by downward pressure on its top edge, which was i^ inches above the nail.
Page 242 - No. i happened to hit a projecting wire so as to make it vibrate. He repeated this act hundreds of times in the few days following. He did not, could not, eat, make love to, or get preliminary practice for the serious battles of life out of, that sound.