Topographic mapping of somatosensory evoked potentials helps identify motor cortex more quickly in the operating room.

Abstract:

:Median nerve somatosensory evoked potentials were recorded from exposed cerebral cortex during craniotomies. This technique is valuable when knowledge of the motor cortex location can influence surgical decisions about resection limits or biopsy sites. Two different recording techniques were compared: strips of electrodes and arrays of electrodes. The arrays recorded electrical potentials suitable for topographic mapping. We found that motor cortex could be identified more quickly when using the topographic mapping of SEPs from arrays. We conclude that topographic mapping of SEP from sensorimotor regions during craniotomies works well in general and can be done more quickly than the traditional electrode strip technique.

journal_name

Brain Topogr

journal_title

Brain topography

authors

Nuwer MR,Banoczi WR,Cloughesy TF,Hoch DB,Peacock W,Levesque MF,Black KL,Martin NA,Becker DP

doi

10.1007/BF01129970

subject

Has Abstract

pub_date

1992-10-01 00:00:00

pages

53-8

issue

1

eissn

0896-0267

issn

1573-6792

journal_volume

5

pub_type

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