Brain surgery.

  • Starr, M. Allen (Moses Allen), 1854-1932.
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: Brain surgery. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    muscles of the body simultaneously. This lasts sev- eral minutes and is followed by a deep sleep for some hours. This is ordinary idiopathic epilepsy, the origin of which is still unknown. In the second class of cases the attack begins with a conscious sensation in some particular region of the body, either in one-half of the face or in one extremity. The sensation is followed by a twitching of the mus- cles of the part and the sensation and spasm advance gradually from the part originally affected to other parts in a definite order of progress; thus, from the right half of the face down the right side of the neck to the right arm and lastly to the right leg; or in the reverse order, from leg to arm and then to face; or from the arm upward to the face or downward to the leg. During such an attack consciousness is not usu- ally lost, though it may be lost when the attack cul- minates in a general convulsion. Such an attack is very often followed by a feeling of great weakness in the part convulsed, which weakness gradually passes away. This form of attack is known as Jacksonian epilepsy. Jacksonian Epilepsy. As far back as 1864 Jackson maintained that this form of epilepsy was uniformly due to organic disease of some kind, situated in the convolutions adjacent to the fissure of Rolando. The discoveries of physiolo- gists, made between 1872 and 1880, that electrical irritation of the corresponding convolutions in ani^