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EEG Changes Under Differing Auditory Stimulations

Duilio Giannitrapani, PhD
Arch Gen Psychiatry. 1970;23(5):445-453. doi:10.1001/archpsyc.1970.01750050061009.
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THE END of the 19th century was particularly important in the development of the ideas concerning the functional organization of the cortex. The localizationists found support in the findings of Broca and Wernicke (cited by Giannitrapani1) concerning speech, Fritsch and Hitzig2 concerning motion and Munk3 concerning vision. The findings of Goltz4 and the heirarchic principles of Jackson5 clearly opposed these views.

Today, while findings supporting a strict localization of cortical functions are not expected, the opposite attitude is difficult to hold. Several reasons can be adduced: (1) thoughts cannot easily rally around a nebulous concept of nonlocalization, (2) research in humans is limited by the shortcomings of clinical investigations, which have allowed for very little progress since the 19th century, and (3) the easily obtainable abstractions concerning "functions" in man do not seem to have a


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