CHAP. VIII. Instructions and Prescripts for curing the Palsey.
THE middle of the Brain, or the Corpus callosum, where we have assign'd the Seats of the Vertigo and Apoplexy, seems al∣so to be the place primarily affected in the Epilepsy; but of this, as also of convulsive Diseases, we have treated elsewhere: where∣fore let us descend to other lower Regions of the Brain, and its Ap∣pendix, and next let us describe the affects that belong to the Cor∣pora striata, medalla oblongata, and also to the nerves and nervous Fi∣bres.
These Parts execute all the Functions that regard motion and sense, wherefore the failings or enormities of these must be affects of those Bodies, or of the Spirits residing in them: now sense and motion are injur'd chiefly two ways; for both are wont to be perverted, or stop∣ped; when motion is perverted, Cramps and Convulsions; when Sense, pains arise; when either Function or both of them together are letted or abolish, the Affect thence rais'd is call'd the Palsey; of which we must treat at present.
The Palsey is described after this manner, viz. That it is a Resolution, or Relaxation of the Nervous parts from their due Tention; by reason of which Motion and Sense, to wit, either one of them alone, or both of them together cannot be exercised in the whole Body, or in certain parts of it after a due manner.
The Nervous Parts are resolved because the animal Spirits doe not sufficiently irradiate, raise, and actuate them with vigour: The cause of which defect is, either an obstruction of the Ductus's, whereby their passage or conveyance is hindred; or an impotency of the Animal Spi∣rits,