The relations of mind and brain

Paperback | October 12, 2012

byHenry Calderwood

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1879 edition. Excerpt: ... CHAPTER V. COMPARISON OF THE STRUCTURE AND FUNCTIONS OF BRAIN IN LOWER AND HIGHER FORMS OF ANIMAL LIFE. While attention was being turned to the results of electric stimulation, some light was thrown upon the difference between the brain of the dog and of the monkey. This comparison of the structure and functions of the brain in different animals is so important as a guide to definite conclusions concerning the specialities of the human brain, that I shall now carry out this comparison on a more extended scale. This I shall do with the aid of figures kindly granted me from Professor Ferrier's Functions of the Brain, in which the numbers, so far as they appear, bear the same significance as those already explained in dealing with the brain of the monkey and dog; that is, they indicate "approximate physiological homologies" in the organs. I shall still further extend the range of observation by the use of figures specially prepared for illustration of this department of the subject, in the preparation of which I have been largely indebted to the aid generously afforded me by my colleague Professor Turner. The order most suitable here is to trace the progression in complexity of structure as we ascend the scale of animal organism. I shall, therefore, begin with the simplest forms, and from these advance to those most highly developed. The simplest form of nerve system is that in which there is only a single ganglion or central knot, into which a few fibres are gathered. This is illustrated in the case of the Ascidian Mollusk This animal has the primary elements of a nerve system, and is accordingly sensitive to contact, and able to expel anything injurious which may be drawn with the water into the mouth. This mollusk is of a pear-like...

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1879 edition. Excerpt: ... CHAPTER V. COMPARISON OF THE STRUCTURE AND FUNCTIONS OF BRAIN IN LOWER AND HIGHER FORMS OF ANIMAL LIFE. While ...

Format:PaperbackDimensions:160 pages, 9.69 × 7.44 × 0.34 inPublished:October 12, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217765491

ISBN - 13:9780217765497

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