. The brain as an organ of mind. Brain; Thought and thinking; Brain. CuAP. XXV.] PHRENOLOGY: OLD AND NEW. 533 power at will to call into existence conditions which almost never exist in the case of disease in the human subject—that is, he can produce symmetrical destructions in corresponding regions of the two Hemispheres, and knowing that such lesions alone exist, can thereafter most carefully test the animal's condition in respect of the sense-endowment supposed to be interfered with. Taking first of all the case of the sense of Sight, we find Terrier localizing its ' perceptive centre ' in
. The brain as an organ of mind. Brain; Thought and thinking; Brain. CuAP. XXV.] PHRENOLOGY: OLD AND NEW. 533 power at will to call into existence conditions which almost never exist in the case of disease in the human subject—that is, he can produce symmetrical destructions in corresponding regions of the two Hemispheres, and knowing that such lesions alone exist, can thereafter most carefully test the animal's condition in respect of the sense-endowment supposed to be interfered with. Taking first of all the case of the sense of Sight, we find Terrier localizing its ' perceptive centre ' in the ' angular gyrus' and part of the ' supra-marginal lobule ' (fig. 174).. Fig. 174.—Brain of Monkey, showing shaded area corresponding with so-called Visual Centre in the cortex of left Cerebral Hemisj^here. (Ferrier.) Destruction of such parts on one side in an animal rendered insensible by chloroform, seemed to produce blindness of the opposite eye for ar day or more—judging from the effects of bandaging the other eye for a time and then- removing the bandage, so as to be able to watch and contrast the animal's behaviour under these different con- ditions. After a day or two, the animal experimented upon again appeared to see with both eyes. Where, however, these regions of the cortex had been destroyed in both Hemispheres, the creature became blind in both. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bastian, H. Charlton. N. Y. , Appleton
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbrain, booksubjecttho
