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Updated: June 3, 2025
But how great was his apprehension, when he farther understood, that this force acting upon the very vertex of the head, not only injured the brain itself, or cerebrum, but that it necessarily squeezed and propelled the cerebrum towards the cerebellum, which was the immediate seat of the understanding! Angels and ministers of grace defend us! cried my father, can any soul withstand this shock?
There is, however, a FOURTH, which subsists, in part, after the voluntary and respiratory motions have ceased, by the removal of the cerebrum and medulla oblongata, and which is attached to the medulla spinalis, ceasing itself when this is removed, and leaving the irritability undiminished.
Third, the neopallium, or cerebrum, is characterized by what are known as association tracts, i.e., connections of intricate kinds which link together areas of the brain having different functions and thus allow for combinations of activity of all kinds.
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.
My friend was nonplussed, but what had happened was this: on my first speaking the impulse of the voice had fallen upon his ear and started a nerve-wave which had struggled up as far as the lower apparatus at the base of the brain, and, passing through this, had probably even reached the higher nerve-centres in the surface of the cerebrum, near to which consciousness resides, but not in sufficient force to arouse consciousness.
In the first place, Sir G. G. Stokes is making much of a single fact, which he has not weighed, in despite of a host of other facts, not in the least questionable, and all pointing in one direction. In the second place, he does not tell us what change went on in the man's brain. May it not have been, at least with respect to the cerebrum, quite infinitesimal?
Already I have succeeded with a dog, a task less difficult than this, for in a man the cerebrum overlaps the cerebellum, which is not the case with a dog. This gives a wide range for accident, with but one opportunity in a lifetime! In the cerebrum, the intellect and the affections; in the cerebellum, the senses and the motor forces; in the medulla oblongata, control of the diaphragm.
On an east-bound train I went into the smoker and found Jefferson Peters, the only man with a brain west of the Wabash River who can use his cerebrum, cerebellum, and medulla oblongata at the same time. Jeff is in the line of unillegal graft. He is not to be dreaded by widows and orphans; he is a reducer of surplusage.
In particular, the German anatomist Meynert, who had studied the disposition of nerve tracts in the cerebrum, was led to believe that the anterior portions of the cerebrum must have motor functions in preponderance; the posterior positions, sensory functions. Somewhat similar conclusions were reached also by Dr. Hughlings-Jackson, in England, from his studies of epilepsy.
When any difficulty arose he was the first to be consulted. The town found it necessary to come to him for information on every local scheme that had its birth in the local cerebrum, for no one else was capable of handling any emergency and carrying it through to a successful conclusion. Just about this time the sewerage epidemic took possession of the town, and became an insane contagion.
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