Inner ear hearing loss modulates ipsilateral temporal lobe activation by monaural speech stimuli

Ichiro Tateya, Yasushi Naito, Shigeru Hirano, Hisayoshi Kojima, Masato Inoue, Ken Ichi Kaneko, Hiroshi Toyoda, Makoto Ueno, Koichi Ishizu, Juichi Ito

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We examined cortical activation by speech in patients with moderate inner ear hearing loss using PET to investigate the response of the language network to insufficient speech input. We made two word lists, well-perceived words and poorly-perceived words, and measured rCBF during monaural presentation of these words. Well-perceived words activated bilateral temporal lobes, bilateral inferior frontal gyri (IFG) and left angular gyrus (AG) regardless of the ear stimulated, Poorly-perceived words activated contralateral temporal lobe and bilateral IFG, while little or no activation was observed in the ipsilateral temporal lobe and left AG. Insufficient activation of the temporal lobe ipsilateral to the ear stimulated might correlated with less accurate word comprehension in patients with inner ear hearing loss.

Original languageEnglish
Pages (from-to)763-767
Number of pages5
JournalNeuroReport
Volume14
Issue number5
DOIs
Publication statusPublished - 2003 Apr 15
Externally publishedYes

Fingerprint

Inner Ear
Temporal Lobe
Hearing Loss
Parietal Lobe
Prefrontal Cortex
Ear
Language

Keywords

  • Angular gyrus
  • Inner ear hearing loss
  • Ipsilateral
  • Monaural
  • Perception
  • Positron emission tomography
  • Temporal lobe
  • Word

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Inner ear hearing loss modulates ipsilateral temporal lobe activation by monaural speech stimuli. / Tateya, Ichiro; Naito, Yasushi; Hirano, Shigeru; Kojima, Hisayoshi; Inoue, Masato; Kaneko, Ken Ichi; Toyoda, Hiroshi; Ueno, Makoto; Ishizu, Koichi; Ito, Juichi.

In: NeuroReport, Vol. 14, No. 5, 15.04.2003, p. 763-767.

Research output: Contribution to journalArticle

Tateya, I, Naito, Y, Hirano, S, Kojima, H, Inoue, M, Kaneko, KI, Toyoda, H, Ueno, M, Ishizu, K & Ito, J 2003, 'Inner ear hearing loss modulates ipsilateral temporal lobe activation by monaural speech stimuli', NeuroReport, vol. 14, no. 5, pp. 763-767. https://doi.org/10.1097/00001756-200304150-00021
Tateya, Ichiro ; Naito, Yasushi ; Hirano, Shigeru ; Kojima, Hisayoshi ; Inoue, Masato ; Kaneko, Ken Ichi ; Toyoda, Hiroshi ; Ueno, Makoto ; Ishizu, Koichi ; Ito, Juichi. / Inner ear hearing loss modulates ipsilateral temporal lobe activation by monaural speech stimuli. In: NeuroReport. 2003 ; Vol. 14, No. 5. pp. 763-767.
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