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A local-field potentials of the midbrain of humans associated with the onset of sound and alterations in frequency within the sound: event-driven studyстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 15 апреля 2026 г.
- Авторы: Kantserova Anna, Pitskhelauri David, Podlepich Vitaly, Oknina Lyubov
- Журнал: Brain Research
- Том: 1883
- Год издания: 2026
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Номер статьи: 150302
- DOI: 10.1016/j.brainres.2026.150302
- Аннотация: The study recorded and analyzed local field potentials (LFPs) from the human inferior colliculi of 6 patients during surgery. LFPs were recorded in response to onset of simple tones with frequencies 600, 800, 1000, 2000, and 4000 Hz and “complex” sound. “Complex” sound included 7 fragments of different frequencies: 600, 800, 1000, 1500, 2000, and 4000 Hz. In the case of the “complex” sound, the LFPs were recorded in response both to its onset and frequency alterations within the stimulus. We identified distinct peak groups related to the onset of tones and frequency changes. Peaks Vs-VIs-S1s are related to the sound onset and frequency modulations within the sound. The group of peaks S2s (Vs2-VIs2)-S3s seems to be related to the sound’s volume. We hypothesize that two functional types of neuron populations in the inferior colliculi exist: one that responds to sound onset and frequency alterations within a sound, and another that is triggered by increases in sound volume. The hypothesis offers a new perspective on the functional division of midbrain neural ensembles involved in auditory perception. Nevertheless, given the small number of observations and limitation of the LFPs method, the proposed hypothesis requires further experimental verification.
- Добавил в систему: Машеров Евгений Леонидович
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