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"Sooner or later it must involve him in its airy meshes, eh, Squills? entrap him into its fatal cerebral cell. There his fate waits him, like the ant-lion in its pit." "Too true," quoth Squills. "What a phrenological lecturer you would have made!" "Go then, my love," said my father, "and lay no blame but on this melancholy cavity of mine, where cautiousness is not!
Whatever reason we have for believing that the changes which take place in the normal cerebral substance of man give rise to states of consciousness, the same reason exists for the belief that the modes of motion of the cerebral substance of an ape, or of a dog, produce like effects. A dog acts as if he had all the different kinds of impressions of sensation of which each of us is cognisant.
The extent of cerebral cavity behind 'c', which is a perpendicular erected on 'b' at the point where the tentorium is attached posteriorly, indicates the degree to which the cerebrum overlaps the cerebellum the space occupied by which is roughly indicated by the dark shading.
De facto, because the existence of the object that consciousness carries with it is very embarrassing for the materialist; for this object is material, and as real and material as the fibres and cells of the brain. It might, indeed, be supposed that by transformation or otherwise there goes forth from the cerebral convolution a purely psychical phenomenon resembling a wave.
The aim of the observer is not to surprise, but to comprehend; and to point out the gaps existing in an intellect, and the signs of a cerebral organisation different from our own, is more curious by far than the relating of mere marvels concerning it.
The operation was done for epilepsy, infantile convulsions, headache, and various cerebral diseases believed to be caused by confined demons, to whom the hole gave a ready method of escape. Lucas-Championniere: Trepanation neolithique, Paris, 1912. The practice is still extant.
This explains the unnatural strength and agility of the insane, always followed by prostration; and even moderate cerebral excitement produces similar results, so far as it goes. Quetelet discovered that sometimes after lecturing, or other special intellectual action, he could perform gymnastic feats impossible to him at other times.
And the Duchess tasted the pleasures which she reconciled with her conscience by some private, Jesuitical ukase of her own; Armand's love gave her a thrill of cerebral excitement which custom made as necessary to her as society, or the Opera.
Encephalic lesions, adherence of the pia mater to the cerebrum, mean absolutely nothing in this question. For they are simple resultants, effects derived from a cause which ought to be explained, and which no materialist can explain. It is easy to declare that a disturbance of the cerebral lobes produces assassins and demonomaniacs.
Puberty, menstruation, pregnancy, lactation, or the menopause almost always entail some derangement of this system which is sometimes sufficiently severe to lead to insanity and suicide. Debility underlies all affections of the sympathetic nervous system, in the same way as nervous irritability underlies all cerebral diseases.
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