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After sound in the air gets converted into vibrations in the fluid of the inner ear, this vibration travels along the scala vestibuli to the apex of the cochlea and then back down along the scala tympani to the base of the cochlea where the round window is. I understand that different regions of the cochlea detect different frequency. But I am confused about which part of the cochlea detects the different frequencies.
Is it that only vibrations traveling through fluid in the scala tympani get detected for frequency and not those traveling through fluid in the scala vestibuli because the basilar membrane of the organ of corti is on the scala tympani side of the cochlea? Is this correct or does vibrations in the scala vestibuli get detected for frequency too?
Is it that only vibrations traveling through fluid in the scala tympani get detected for frequency and not those traveling through fluid in the scala vestibuli because the basilar membrane of the organ of corti is on the scala tympani side of the cochlea? Is this correct or does vibrations in the scala vestibuli get detected for frequency too?