Lectures on Human and Animal Psychology (Google eBook)

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S. Sonnenschein & Company, 1907 - Psychology, Comparative - 459 pages
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Page 29 - ... of the whole quantity of matter in the earth. But the attraction of a quantity of matter at the earth's centre would be more powerful on a body at the bottom of a mine than on one at the top, in the inverse ratio of the squares of the distances of the bodies from the earth's centre : that is in the present case in the ratio of four to one. Hence the attraction on a body at the bottom of the mine would be, on the whole, less than the attraction on a body on the top in the ratio of one to two.
Page 442 - ... there is a uniform co-ordination of the two. How are we to conceive of this connexion, if, as we have stated to be the case, it is not to be thought as that of cause and effect ? The answer to this question has been given in detail in the preceding pages of the book.
Page 397 - How the individual builds his house, or where he lives, may be a matter of protracted consideration for him. But that mankind at large build houses and seek shelter seems to him to be as natural and right as it probably does to the bee to construct its hexagonal cells. And even the question of the particular disposal of his own life, which is so tremendously important for the civilised man, generally troubles the savage but little. He builds his hut or pitches his tent as his fellows do, and as his...
Page 344 - The young ant does not appear to come into the world with a full instinctive knowledge of all its duties as a member of a social community. It is led about the nest and ' trained to a knowledge of domestic duties, especially in the case of larvae.' Later on, the young ants are taught to distinguish between friends and foes. When an ants...
Page 343 - At one formicary half a dozen or more young queens were out at the same time. They would climb up a large pebble near the gate, face the wind, and assume a rampant posture. Several having ascended the stone at one time, there ensued a little playful passage-at-arms as to position. They nipped each other gently with the mandibles, and chased one another from favourite spots. They, however, never nipped the workers. These latter evidently kept a watch upon the sportive princesses, occasionally saluted...
Page 25 - ... how much we can increase the stimulus without making the sensation seem to change. If we carry out such observations with stimuli of varying absolute amounts, we shall be forced to choose in an equally varying way the amounts of addition to the stimulus which are capable of giving us a just barely perceptible feeling of more. A light, to be just perceptible in the twilight, need not be near as bright as the starlight; it must be far brighter...
Page 363 - The old metaphysical prejudice that man 'always thinks' has not yet entirely disappeared. I myself am inclined to hold that man really thinks very little and very seldom. Many an action which looks like a manifestation of intelligence most surely originates In association.
Page 343 - I have noticed m one of my formicaria a subterranean cemetery, where I have seen some ants burying their dead by placing earth above them. One ant was evidently much affected, and tried to exhume the bodies; but the united exertions of the yellow sextons were more than sufficient to neutralize the effort of the disconsolate mourner.
Page 1 - Psychology has to investigate that which we call internal experience, ie, our own sensation and feeling, our thought and volition, in contradistinction to the objects of external experience, which form the subject matter of natural science.
Page 22 - Every one knows that in the stilly night we hear things unnoticed in the noise of day. The gentle ticking of the clock, the air circulating through the chimney, the cracking of the chairs in the room, and a thousand other slight noises, impress themselves upon our ear. It is equally well known that in the confused hubbub of the streets, or the...

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