The Expression of Emotion in Man and Animals

The Expression of Emotion in Man and Animals

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In his study of infants and children (including observations of his own baby's smiles and pouts), of the insane, of painting and sculpture, of cats and dogs and monkeys, and of the ways that people in different cultures express their feelings, Darwin's insights have not been surpassed by modern sci ...more

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CHAP. II—GENERAL PRINCIPLES OF EXPRESSION—continued. The Principle of Antithesis—Instances in the dog and cat—Origin of the principle—Conventional signs—The principle of antithesis has not arisen from opposite actions being consciously performed under opposite impulses..........50-65
CHAP. I—GENERAL PRINCIPLES OF EXPRESSION.The three chief principles stated—The first principle—Serviceable actions become habitual in association with certain states of the mind, and are performed whether or not of service in each particular case—The force of habit—Inheritance—Associated habitual movements in man—Reflex actions—Passage of habits into reflex actions—Associated habitual movements in the lower animals—Concluding remarks............27-49

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Charles Robert Darwin was an English naturalist, eminent as a collector and geologist, who proposed and provided scientific evidence that all species of life have evolved over time from common ancestors through the process he called natural selection. The fact that evolution occurs became accepted by the scientific community and the general public in his lifetime, while his theory of natural selection came to be widely seen as the primary explanation of the process of evolution in the 1930s, an...more