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Response Characteristics in the Apex of the Gerbil Cochlea Studied Through Auditory Nerve Recordings by Corstiaen P. C. Versteegh; Sebastiaan W. F. Meenderink; Marcel van der Heijden is a Neuroscience article available to read on EtoBox.
What is Response Characteristics in the Apex of the Gerbil Cochlea Studied Through Auditory Nerve Recordings about?
In this study, we analyze the processing of low-frequency sounds in the cochlear apex through responses of auditory nerve fibers (ANFs) that innervate the apex. Single tones and irregularly spaced tone complexes were used to evoke ANF responses in Mongolian gerbil. The spike arrival times were analyzed in terms of phase locking, peripheral frequency selectivity, group delays, and the nonlinear effects of sound pressure level (SPL). Phase locking to single tones was similar to that in cat. Vector strength was maximal for stimulus frequencies around 500 Hz, decreased above 1 kHz, and became insignificant above 4 to 5 kHz. We used the responses to tone complexes to determine amplitude and phase curves of ANFs having a characteristic frequency (CF) below 5 kHz. With increasing CF, amplitude curves gradually changed from broadly tuned and asymmetric with a steep low-frequency flank to more sharply tuned and asymmetric with a steep high-frequency flank. Over the same CF range, phase curves gradually changed from a concave-upward shape to a concave-downward shape. Phase curves consisted of two or three approximately straight segments. Group delay was analyzed separately for these segments
Who reads Response Characteristics in the Apex of the Gerbil Cochlea Studied Through Auditory Nerve Recordings?
It is typically read by researchers, students, and practitioners in Neuroscience.
- Author
- Corstiaen P. C. Versteegh; Sebastiaan W. F. Meenderink; Marcel van der Heijden
- Publisher
- Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Springer Nature (ISSN 1525-3961)
- Published
- 2011
- Language
- EN
- Field
- Neuroscience (Life Sciences)