phrenology(redirected from phrenologic)
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a false theory that certain mental abilities are localized in various sectors of the human brain and can be distinguished by palpating the skull. Phrenology was developed by the Austrian physician and anatomist F. Gall; it was especially popular in the first half of the 19th century, owing to its propagation by Gall’s student J. Spurzheim and his followers in Western Europe. Dozens of phrenological societies were founded in Europe in the 1830’s and 1840’s. Phrenological data were used to diagnose mental and character traits. The achievements of physiologists, for example, M. J. P. Flourens in France, showed the insubstantiality of phrenology, which nevertheless continued to arouse interest until the early 20th century.
In the 1870’s a number of scientists, including G. Fritsch and E. Hitzig of Germany, developed theories concerning the localization of mental functions in various zones of the cortex of the large hemispheres of the brain. Their theories were sometimes called the new phrenology.
M. G. IAROSHEVSKII