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Dr. P. Errecart, from Argentina, recently lectured before the Academia Nacional de Medicina of Rio de Janeiro on aural vertigo (Ménière's disease). The vestibular labyrinth has a great influence on the muscles of the eyeball and a lesser influence on the muscles of the body. There is a perfect balance between the influence of the two labyrinths, which should be of the same bilateral intensity, since when there is a unilateral predominance a breaking of the balance is produced. The unbalance may be caused either by a unilateral exaggeration or diminution (hyperfunction or hypofunction) of the labyrinthine influence. In the latter case the diminished function may have been caused by the destruction of a labyrinth or by some other local condition by which the influence of the normal labyrinth predominates. According to Wittmaack's theories the nervous centers, the vestibular labyrinth and the muscles of the eyeballs and of
RIO DE JANEIRO. JAMA. 1932;99(24):2047-2048. doi:10.1001/jama.1932.02740760057025