The Principles of physiology

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Syndenham Society, 1851 - 463페이지

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430 페이지 - ... sensorium commune, is not performed according to mere physical laws, where the angle of reflexion is equal to the angle of incidence, and where the reaction is equal to the action; but that reflexion follows according to certain laws, writ, as it were, by nature on the medullary pulp of the sensorium, which laws we are able to know from their effects only, and in nowise to find out by our reason.
447 페이지 - It is by no means improbable that each division of the intellect, has its allotted organ in the brain, so that there is one for the perceptions, another for the understanding, probably others also for the will and imagination and memory, which act wonderfully in concert and mutually excite each other to action.
430 페이지 - The reflexion of sensorial into motor impressions, which takes place in the sensorium commune, is not performed according to mere physical laws, where the angle of reflexion is equal to the angle of incidence...
37 페이지 - ... of the most erroneous character, with here and there a feeble echo of the true, to have become generally prevalent in its stead. For, strange to say, this very doctrine is that recently promulgated as the last consummation of nervous physiology by the most illustrious physiologist in Europe. ' That the primitive fibres of all the cerebro,spinal nerves are to be regarded as isolated and distinct from their origin to their termination, and as radii issuing from the axis of the nervous system...
367 페이지 - ... organised. He pointed out that the brain was of the same substance as the nerves, but softer, ' as it should necessarily be, inasmuch as it receives all the sensations, perceives all the imaginations, and then has to comprehend all the objects of the understanding, for what is soft is more easily changed that what is hard.
4 페이지 - They can remain altogether uuinvestigated without any disadvantage to the real usefulness of theoretical medicine, but we have pursued them with profitless diligence, and have done our best to confuse them more and more. How much have we effected in resolving questions useful to our art, as, for example, in determining by what laws the mind moves the machinery of the nuimal organism?
xxiii 페이지 - ... the brain, spinal cord, and (as all observation shows) the ganglia and plexuses of the nerves. That external impressions can also be reflected in the brain, without consciousness, is shown by the involuntary convulsions of voluntary muscles. Monsters, born without brain and spinal cord, and which live up to the moment of birth, show that the consensus of the nerves necessary to this form of life, imperfect though it be, may take place, and that there may be a corporeal sensorium independently...
430 페이지 - ... portions of the nervous system seem rather to be the instruments that the soul directly uses for performing its own actions, termed animal ; but the sensorium commune, properly so called, seems not improbably to extend through the medulla oblongata, the crura of the cerebrum and cerebellum, also part of the thalami optici, and the whole of the medulla spinalis ; in a word, it is co-extensive with the origin of the nerves.
xxii 페이지 - ... of which we are conscious; and the sensorium commune of the body, which is seated in the brain, spinal cord, and ganglia and plexuses of the sympathetic system. Thus Prochaska held that the brain only is the seat of the soul...
423 페이지 - Experiments and Observations on Animal Heat, and the Inflammation of Combustible Bodies ; being an attempt to resolve these phenomena into a general law of nature.

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