Human task-specific somatosensory activation

M. D. Ginsberg, F. Yoshii, S. Vibulsresth, J. Y. Chang, R. Duara, W. W. Barker, T. E. Boothe

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

We used positron emission tomography to study normal patterns of local cortical metabolic activation induced by somatosensory stimuli. Palpation and sorting of mah-jongg tiles by textured design increased local glucose metabolic rate (lCMRgl), by 18% on average, in contralateral somatosensory cortex. A graphesthesia task gave a similar result. In contrast, vigorous vibrotactile stimulation of fingers, face, or knee did not produce a consistent focus of activation. Our results indicate that lCMRgl activation is best achieved by somatosensory tasks requiring an active perceptual effort.

Original languageEnglish (US)
Pages (from-to)1301-1308
Number of pages8
JournalNeurology
Volume37
Issue number8
DOIs
StatePublished - Aug 1987

ASJC Scopus subject areas

  • Clinical Neurology

Fingerprint Dive into the research topics of 'Human task-specific somatosensory activation'. Together they form a unique fingerprint.

  • Cite this

    Ginsberg, M. D., Yoshii, F., Vibulsresth, S., Chang, J. Y., Duara, R., Barker, W. W., & Boothe, T. E. (1987). Human task-specific somatosensory activation. Neurology, 37(8), 1301-1308. https://doi.org/10.1212/wnl.37.8.1301