Right hemisphere speech perception revealed by amobarbital injection and electrical interference

Dana Boatman, J. Hart, R. P. Lesser, N. Honeycutt, N. B. Anderson, Diana L Miglioretti, B. Gordon

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Objective: To investigate the right hemispheric speech perception capabilities of an adult right-handed patient with seizures. Methods: Consecutive, unilateral, intracarotid sodium amobarbital injections and left hemispheric electrical interference mapping were used to determine lateralization and localization of speech perception, measured as syllable discrimination. Results: Syllable discrimination remained intact after left and right intracarotid sodium amobarbital injections. Language otherwise strongly lateralized to the left hemisphere. Despite evidence of bilateral speech perception capabilities, electrical interference testing in the left posterior temporal lobe impaired syllable discrimination. Conclusions: The results suggest a functionally symmetric, parallel system in the adult brain with preferential use of left hemispheric pathways for speech perception.

Original languageEnglish (US)
Pages (from-to)458-464
Number of pages7
JournalNeurology
Volume51
Issue number2
StatePublished - Aug 1998
Externally publishedYes

Fingerprint

Amobarbital
Speech Perception
Injections
Patient Rights
Temporal Lobe
Seizures
Language
Brain
Discrimination (Psychology)

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Boatman, D., Hart, J., Lesser, R. P., Honeycutt, N., Anderson, N. B., Miglioretti, D. L., & Gordon, B. (1998). Right hemisphere speech perception revealed by amobarbital injection and electrical interference. Neurology, 51(2), 458-464.

Right hemisphere speech perception revealed by amobarbital injection and electrical interference. / Boatman, Dana; Hart, J.; Lesser, R. P.; Honeycutt, N.; Anderson, N. B.; Miglioretti, Diana L; Gordon, B.

In: Neurology, Vol. 51, No. 2, 08.1998, p. 458-464.

Research output: Contribution to journalArticle

Boatman, D, Hart, J, Lesser, RP, Honeycutt, N, Anderson, NB, Miglioretti, DL & Gordon, B 1998, 'Right hemisphere speech perception revealed by amobarbital injection and electrical interference', Neurology, vol. 51, no. 2, pp. 458-464.
Boatman D, Hart J, Lesser RP, Honeycutt N, Anderson NB, Miglioretti DL et al. Right hemisphere speech perception revealed by amobarbital injection and electrical interference. Neurology. 1998 Aug;51(2):458-464.
Boatman, Dana ; Hart, J. ; Lesser, R. P. ; Honeycutt, N. ; Anderson, N. B. ; Miglioretti, Diana L ; Gordon, B. / Right hemisphere speech perception revealed by amobarbital injection and electrical interference. In: Neurology. 1998 ; Vol. 51, No. 2. pp. 458-464.
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