Remarks on the influence of mental cultivation and mental excitement upon health / With notes by R. Macnish.

  • Amariah Brigham
Date:
1836
Catalogue details

Licence: Public Domain Mark

Credit: Remarks on the influence of mental cultivation and mental excitement upon health / With notes by R. Macnish. Source: Wellcome Collection.

    24/160 page 6
    SECTION I. THE BRAIN THE MATERIAL ORGAN BY WHICH THE MENTAL FACULTIES ARE MANIFESTED. Every part of the human system has undoubtedly been created for the performance of some action ; as the heart for the circulation of the blood, the eye for seeing, the ear for hearing, the nerves for sensation, the bones to sustain, and the muscles to move the body. That action which nature intended a certain organ to perform, cannot be executed by another organ; the ear cannot supply the place of the eye, or the nerves perform the duties assigned to the muscles. The par- ticular action or duty assigned to several organs of the body we know by the evidence of our senses. We can see and feel the heart beat and the muscles con- tract. But as regards the action or function of other organs, we have not the same evidence. We do not see the action by which the liver secretes the bile, nor that by which the eye conveys to us a knowledge of outward things, and of their different colours, &c. We do not know, from the evidence of our senses, that any action at all is excited in these organs to
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