Cited by 134Neuroscience and Music PerceptionNeurobiology of Language and BilingualismPhonetics and Phonology Research

Specialization along the left superior temporal sulcus for auditory categorization

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Liebenthal, Einat, Desai, Rutvik, Ellingson, Michael M., Ramachandran, Brinda, Desai, Anjali, Binder, Jeffrey R.·2010·Cerebral Cortex

Abstract

The affinity and temporal course of functional fields in middle and posterior superior temporal cortex for the categorization of complex sounds was examined using functional magnetic resonance imaging (fMRI) and event-related potentials (ERPs) recorded simultaneously. Data were compared before and after subjects were trained to categorize a continuum of unfamiliar nonphonemic auditory patterns with speech-like properties (NP) and a continuum of familiar phonemic patterns (P). fMRI activation for NP increased after training in left posterior superior temporal sulcus (pSTS). The ERP P2 response to NP also increased with training, and its scalp topography was consistent with left posterior superior temporal generators. In contrast, the left middle superior temporal sulcus (mSTS) showed fMRI activation only for P, and this response was not affected by training. The P2 response to P was also independent of training, and its estimated source was more anterior in left superior temporal cortex. Results are consistent with a role for left pSTS in short-term representation of relevant sound features that provide the basis for identifying newly acquired sound categories. Categorization of highly familiar phonemic patterns is mediated by long-term representations in left mSTS. Results provide new insight regarding the function of ventral and dorsal auditory streams.

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Authors
Liebenthal, E., Desai, R., Ellingson, M. M., Ramachandran, B., Desai, A., & Binder, J. R.
Affiliations
Medical College of Wisconsin (US)
Corresponding author
Liebenthal, Einat
Venue
Cerebral Cortex
Published
2010-04-09
Volume
20
Issue
12
Pages
2958-2970
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2117381528
Cited by
134
References
91
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 5 · 2022: 6 · 2021: 10 · 2020: 12 · 2019: 8 · 2018: 8 · 2017: 6 · 2016: 6 · 2015: 11 · 2014: 14 · 2013: 16 · 2012: 9
FWCI
7.35
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Cerebral Cortex (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Scholar Commons (University of South Carolina) (submittedVersion, cc-by-nc)
Funders
  • National Institute on Deafness and Other Communication Disorders (R01DC006287)
  • National Center for Research Resources (M01-RR00058, M01RR000058)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Phonetics and Phonology Research
Keywords
auditory categorization
MeSH terms
Acoustic Stimulation, Adult, Auditory Perception, Brain Mapping, Cerebral Cortex, Evoked Potentials, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Young Adult

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