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July 1931


Arch NeurPsych. 1931;26(1):115-130. doi:10.1001/archneurpsyc.1931.02230070121006

With the advent of the encephalographic method a new avenue of approach was opened for the investigation of convulsive states. In 1923, Dandy1 drew attention to the characteristic appearance of the dilated subarachnoid spaces which form pools of fluid overlying the gyri in some cases of epilepsy. He also noted the dilated ventricles in these cases with the ventriculographic method which he originated. Since then, Foerster2 has reported dilated asymmetrical ventricles and accumulation of air over the cortex in eleven cases. On the other hand, Tyczka3 found abnormal conditions in only two of eighteen cases studied by the encephalographic method. There are also reports by other workers, among them Schuster,4 Fischer,5 Carpenter,6 Bingel.7 Waggoner,8 Wartenberg,9 and Friedman, Snow and Kasanin.10 Fay11 recently reported abnormal conditions in fifty-nine cases of epilepsy by the same method. He stated: "There has been