Assessment of auditory cortex activation with functional magnetic resonance imaging

Seckin O. Ulualp, Bharat B. Biswal, F. Zerrin Yetkin, Thomas M. Kidder

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

OBJECTIVE: The goal was to assess auditory cortex activation evoked by pure-tone stimulus with functional MRI. METHODS: Five healthy children, aged 7 to 10 years, were studied. Hearing evaluation was performed by pure-tone audiometry in a sound-treated room and in the MRI scanner with the scanner noise in the background. Subjects were asked to listen to pure tones (500, 1000, 2000, and 4000 Hz) at thresholds determined in the MRI scanner. Functional image processing was performed with a cross-correlation technique with a correlation coefficient of 0.5 (P < 0.0001). Auditory cortex activation was assessed by observing activated pixels in functional images. RESULTS: Functional images of auditory cortex activation were obtained in 3 children. All children showed activation in Heschl's gyrus, middle temporal gyrus, superior temporal gyrus, and planum temporale. The number of activated pixels in auditory cortexes ranged from 4 to 33. CONCLUSIONS: Functional images of auditory cortex activation evoked by pure-tone stimuli are obtained in healthy children with the functional MRI technique.

Original languageEnglish (US)
Pages (from-to)241-245
Number of pages5
JournalOtolaryngology - Head and Neck Surgery
Volume122
Issue number2
StatePublished - 2000

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Auditory Cortex
Magnetic Resonance Imaging
Temporal Lobe
Pure-Tone Audiometry
Temazepam
Hearing
Noise

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Assessment of auditory cortex activation with functional magnetic resonance imaging. / Ulualp, Seckin O.; Biswal, Bharat B.; Yetkin, F. Zerrin; Kidder, Thomas M.

In: Otolaryngology - Head and Neck Surgery, Vol. 122, No. 2, 2000, p. 241-245.

Research output: Contribution to journalArticle

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