Cited by 70Neuroscience and Music PerceptionNeurobiology of Language and BilingualismTactile and Sensory Interactions

Functional magnetic resonance imaging assessment of the human brain auditory cortex response to increasing word presentation rates

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Dhankhar, Ajay, Wexler, Bruce E., Fulbright, Robert K., Halwes, Terry, Blamire, ANDREW M., Shulman, Robert G.·1997·Journal of Neurophysiology

Abstract

Dhankhar, Ajay, Bruce E. Wexler, Robert K. Fulbright, Terry Halwes, Andrew M. Blamire, and Robert G. Shulman. Functional magnetic resonance imaging assessment of the human brain auditory cortex response to increasing word presentation rates. J. Neurophysiol. 77: 476–483, 1997. In an investigation of the auditory cortex response to speech, six subjects were studied using echo-planar functional magnetic resonance imaging (fMRI) at 2.1T. The subjects were asked to listen to English nouns presented at various rates ranging from 0 words per minute (wpm) to 130 wpm while fMRI images encompassing their primary and posterior superior secondary auditory cortices were acquired. An asymmetric spin echo imaging sequence was used with an induced T2 weighting of 50 ms to allow for transverse relaxation effects. Images were acquired in two or four axial-oblique slices with a repetition time of 3.75 or 7.5 s, in plane resolution of 6 × 3 mm, and a slice thickness of 5 mm. Localized activation centered over grey matter was consistently observed in all subjects in the transverse temporal gyrus (TTG), the transverse temporal sulcus (TTS), and the posterior superior aspect of the superior temporal gyrus (STG). The total activated volume and the integrated signal response in bilateral primary and posterior superior secondary auditory cortices increased with increasing rate of word presentation, peaking at 90 wpm (with some intersubject variability) with a subsequent fall at 130 wpm. There were no significant differences in the rate dependence of the signal response in bilateral primary and bilateral posterior superior secondary auditory cortices ( P < 0.05).

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Registry

Crossref · 10.1152/jn.1997.77.1.476

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  • Increasing the rate of presentation of simple auditory speech stimuli results in a monotonically proportional increase in bilateral superior temporal lobe activation.

    “Binder et al. (1994b) and Dhankhar et al. (1997) illustrated that increasing the rate of presentation of simple auditory speech stimuli resulted in a monotonically proportional increase in bilateral superior temporal lobe activation, as previously reported using PET (Wise et al., 1991a,1991b; Price et al., 1992).”

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Authors
Dhankhar, A., Wexler, B. E., Fulbright, R. K., Halwes, T., Blamire, A. M., & Shulman, R. G.
Affiliations
  • Yale University (US)
  • Departments of Psychiatry,
  • Radiology,
  • Neurosurgery, and
Venue
Journal of Neurophysiology
Published
1997-01-01
Volume
77
Issue
1
Pages
476-483
ISSN
  • 0022-3077 (ISSN-L)
  • 1522-1598
OpenAlex
W2224225625
Cited by
70
References
26
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2022: 1 · 2018: 1 · 2015: 1 · 2014: 1 · 2013: 1 · 2012: 2
FWCI
5.66
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurophysiology (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
  • National Institutes of Health (5p01dk034576-08)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 34576)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
auditory cortex, speech perception, rate dependence, primary auditory cortex, posterior superior temporal cortex, transverse temporal gyrus, superior temporal gyrus, auditory cortex activation
MeSH terms
Adult, Algorithms, Auditory Cortex, Brain Mapping, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Speech, Speech Perception

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