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Bone conducted responses in the neonatal rat auditory cortex

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dc.contributor.author Makarov R.
dc.contributor.author Sintsov M.
dc.contributor.author Valeeva G.
dc.contributor.author Starikov P.
dc.contributor.author Negrov D.
dc.contributor.author Khazipov R.
dc.date.accessioned 2022-02-09T20:43:48Z
dc.date.available 2022-02-09T20:43:48Z
dc.date.issued 2021
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/169870
dc.description.abstract Rats are born deaf and start hearing at the end of the second postnatal week, when the ear canals open and low-intensity sounds start to evoke responses in the auditory cortex. Here, using μECoG electrode arrays and intracortical silicon probe recordings, we found that bone-conducted (BC) sounds evoked biphasic responses in the auditory cortex starting from postnatal day (P) 8. The initial phase of these responses, generated by thalamocortical input, was followed by intracortical propagation within supragranular layers. BC-evoked responses co-localized with the responses evoked by electrical stimulation of the cochlea and the deepest layers of the inferior colliculus prior to onset of low-threshold hearing (P13), as well as with the responses evoked by high-frequency (30 kHz) low-intensity (70 dB) air-conducted sounds after that. Thus, BC signals reach high-frequency processing regions of the auditory cortex well before the onset of low-threshold hearing, reflecting early integrity of the auditory system.
dc.title Bone conducted responses in the neonatal rat auditory cortex
dc.type Article
dc.relation.ispartofseries-issue 1
dc.relation.ispartofseries-volume 11
dc.collection Публикации сотрудников КФУ
dc.source.id SCOPUS-2021-11-1-SID85113162468


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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