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afferent excitation afferent nerve afferent stimuli angular gyrus animal aphasia arteries basal ganglia become begin blood body Broca's convolution called cause cells cerebral child chimpanzee conscious corpus callosum cortex cortical cuneus damage demonstrated efferent endowment faculty of speech fashion fatigue frontal lobes ganglia gray matter habits hand hearing heart Helen Keller hemi Hence human brain illustration important inference injury kind language left brain living lobe mechanism medulla ment mental faculty mental functions mind motor nerves movements muscles muscular natural nerve centers nerve fibers nervous system never optic lobes organ original paralysis personality physical physiology principle purpose question reason recognize relations sensation sense sensory sight sleep sounds speak speech centers sphere spinal cord spinal nerve stimulus temporal lobe thing thinking thought tion violin whole wholly William MacEwen word centers word-deafness
Page 205 - water" in Helen's free hand. The word coming so close upon the sensation of cold water rushing over her hand seemed to startle her. She dropped the mug and stood as one transfixed. A new light came into her face. She spelled "water
Page 207 - I wish to write about things I do not understand. Who made the earth and the seas, and everything? What makes the sun hot? Where was I before I came to mother? I know that plants grow from seeds which are in the ground, but I am sure people do not grow that way. I never saw a child-plant. Little birds and chickens come out of eggs. I have seen them. What was the egg before it was an egg? Why does not the earth fall, it is so very large and heavy? Tell me something that Father Nature does.
Page 78 - So far as cerebral structure goes, therefore, it is clear that Man differs less from the Chimpanzee or the Orang, than these do even from the Monkeys, and that the difference between the brains of the Chimpanzee and of Man is almost insignificant, when compared with that between the Chimpanzee brain and that of a Lemur.
Page 210 - I needed Miss Sullivan's assistance constantly in my efforts to articulate each sound clearly and to combine all sounds in a thousand ways. Even now she calls my attention every day to mispronounced words. All teachers of the deaf know what this means, and only they can at all appreciate the peculiar difficulties with which I had to contend. In reading my teacher's lips I was wholly dependent on my fingers: I had to use the sense of touch in catching the vibrations of the throat, the movements of...
Page 80 - ... the marvellous endowment of intelligible and rational speech, whereby, in the secular period of his existence, he has slowly accumulated and organized- the experience which is almost wholly lost with the cessation of every individual life in other animals ; so that now he stands raised upon it as on a mountain top, far above the level of his humble fellows, and transfigured from his grosser nature by reflecting, here and there, a ray from the infinite source of truth.
Page 265 - That majestic endowment (the Will) constitutes the high privilege granted to each man apparently to test how much the man will make of himself. It is clothed with powers which will enable him to obtain the greatest of all possessions — self-possession. Selfpossession implies the capacity for self-restraint, selfcompulsion and self-direction; and he who has these, if he live long enough, can have any other possessions that he wants.
Page 80 - Our reverence for the nobility of manhood will not be lessened by the knowledge that Man is, in substance and in structure, one with the brutes; for, he alone possesses the marvellous endowment of intelligible and rational speech, whereby, in the secular period...
Page 78 - As to the convolutions, the brains of the apes exhibit every stage of progress, from the almost smooth brain of the Marmoset, to the Orang and the Chimpanzee, which fall but little below Man. And it is most remarkable that, as soon as all the principal sulci appear, the pattern according to which they are arranged is identical with that of the corresponding sulci of man. The surface of...
Page 83 - Turkish to be the result of the deliberations of some eminent society of learned men ; ' but no such society could have devised what the mind of man produced, left to itself in the steppes of Tartary, and guided only by its innate laws, or by an instinctive power as wonderful as any within the realm of nature. Let us examine a few forms. ' To love,' in the most general sense of the word, or love, as a root, is in Turkish sev.
Page 209 - ... the delight I felt when at my call Mildred ran to me or my dogs obeyed my commands. It is an unspeakable boon to me to be able to speak in winged words that need no interpretation. As I talked, happy thoughts fluttered up out of my words that might perhaps have struggled in vain to escape my fingers. But it must not be supposed that I could really talk in this short time. I had learned only the elements of speech. Miss Fuller and Miss Sullivan could understand me, but most people would not have...