What question did this study set out to answer?

To identify the precise neural generators of the auditory frequency-following response and assess whether cortical structures contribute to this signal alongside traditional subcortical pathways.

March 24, 2016Nature CommunicationsOpen Access

Cortical contributions to the auditory frequency-following response revealed by MEG

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Authors

ECEmily B. J. CoffeyMontreal Neurological Institute and Hospital SHSibylle C. HerholzGerman Center for Neurodegenerative Diseases ACAlexander M. P. ChepesiukMontreal Neurological Institute and Hospital

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Implication

Magnetoencephalography study reveals strong cortical contributions to the auditory frequency-following response in humans, indicating a need to re-examine subcortical sound processing models.

Key Points

To identify the precise neural generators of the auditory frequency-following response and assess whether cortical structures contribute to this signal alongside traditional subcortical pathways.
Recorded auditory frequency-following responses to complex periodic sound stimuli using whole-head magnetoencephalography.
Applied source localization techniques to differentiate signals originating from subcortical auditory relay nuclei and the cerebral cortex.
Observed a strong, right-asymmetric contribution to the frequency-following response originating directly from the auditory cortex at the fundamental frequency of the acoustic stimulus.
Confirmed concurrent frequency-following response signal generation across classical subcortical sites, including the cochlear nucleus, inferior colliculus, and medial geniculate body.

Cite This Study

Coffey et al. (2016) studied this question.

synapsesocial.com/papers/6a748d148d2049c8dd032b36 https://doi.org/10.1038/ncomms11070

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Implication

Magnetoencephalography study reveals strong cortical contributions to the auditory frequency-following response in humans, indicating a need to re-examine subcortical sound processing models.

Cortical contributions to the auditory frequency-following response revealed by MEG

Discussion

Member takes

Implication

Key Points

Cite This Study

Cortical contributions to the auditory frequency-following response revealed by MEG

Discussion

Member takes

Implication

Key Points

Cite This Study

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