A new illustrated hand-book of phrenology, physiology and physiognomy (1878)
Wells, R. B. D · London, H. Vickers · leaf 299
sion. When a person overtaxeshis mind, the brain becomes inflamed in proportion to theextra pressure put upon it, and this, if long continued, willdiminish its size and activity. This would, of course, leavea vacuum underneath the skull, if nature did not contrive insome way to fill up the vacancy,… … Fig. 157.—Showing the Contour of Chimpanzee, Orang-Outang,Idiot, and Human Skulls. its thickness, and at other times by allowing the skull toshrink gradually till it presses upon the brain. Thisaccounts for the great thickness of some of the skulls ofinsane people, and for the shrinking of the…
Phrenology · Physiognomy
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