Basilar-membrane responses to tones at the base of the chinchilla cochlea Export

@article{Ruggero97, abstract = {Basilar-membrane responses to single tones were measured, using laser velocimetry, at a site of the chinchilla cochlea located 3.5 mm from its basal end. Responses to low-level (< 10–20 dB SPL) characteristic-frequency (CF) tones (9–10 kHz) grow linearly with stimulus intensity and exhibit gains of 66–76 dB relative to stapes motion. At higher levels, CF responses grow monotonically at compressive rates, with input–output slopes as low as 0.2 dB/dB in the intensity range 40–80 dB. Compressive growth, which is significantly correlated with response sensitivity, is evident even at stimulus levels higher than 100 dB. Responses become rapidly linear as stimulus frequency departs from CF. As a result, at stimulus levels > 80 dB the largest responses are elicited by tones with frequency about 0.4–0.5 octave below CF. For stimulus frequencies well above CF, responses stop decreasing with increasing frequency: A plateau is reached. The compressive growth of responses to tones with frequency near CF is accompanied by intensity-dependent phase shifts. Death abolishes all nonlinearities, reduces sensitivity at CF by as much as 60–81 dB, and causes a relative phase lead at CF. {\copyright}1997 Acoustical Society of America.}, author = {Ruggero, Mario A. and Rich, Nola C. and Recio, Alberto and Narayan, Shyamla S. and Robles, Luis}, citeulike-article-id = {2244928}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JASMAN000101000004002151000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?JAS/101/2151}, citeulike-linkout-2 = {http://dx.doi.org/10.1121/1.418265}, doi = {10.1121/1.418265}, journal = {The Journal of the Acoustical Society of America}, keywords = {audition, cp1}, number = {4}, pages = {2151--2163}, posted-at = {2008-01-17 12:35:05}, priority = {2}, publisher = {ASA}, title = {Basilar-membrane responses to tones at the base of the chinchilla cochlea}, url = {http://dx.doi.org/10.1121/1.418265}, volume = {101}, year = {1997} }

TY - JOUR ID - Ruggero97 L3 - citeulike-article-id:2244928 N2 - Basilar-membrane responses to single tones were measured, using laser velocimetry, at a site of the chinchilla cochlea located 3.5 mm from its basal end. Responses to low-level (< 10–20 dB SPL) characteristic-frequency (CF) tones (9–10 kHz) grow linearly with stimulus intensity and exhibit gains of 66–76 dB relative to stapes motion. At higher levels, CF responses grow monotonically at compressive rates, with input–output slopes as low as 0.2 dB/dB in the intensity range 40–80 dB. Compressive growth, which is significantly correlated with response sensitivity, is evident even at stimulus levels higher than 100 dB. Responses become rapidly linear as stimulus frequency departs from CF. As a result, at stimulus levels > 80 dB the largest responses are elicited by tones with frequency about 0.4–0.5 octave below CF. For stimulus frequencies well above CF, responses stop decreasing with increasing frequency: A plateau is reached. The compressive growth of responses to tones with frequency near CF is accompanied by intensity-dependent phase shifts. Death abolishes all nonlinearities, reduces sensitivity at CF by as much as 60–81 dB, and causes a relative phase lead at CF. ©1997 Acoustical Society of America. IS - 4 JF - The Journal of the Acoustical Society of America EP - 2163 TI - Basilar-membrane responses to tones at the base of the chinchilla cochlea PB - ASA VL - 101 SP - 2151 KW - audition KW - cp1 AU - Ruggero, Mario AU - Rich, Nola AU - Recio, Alberto AU - Narayan, Shyamla AU - Robles, Luis PY - 1997/// UR - http://dx.doi.org/10.1121/1.418265 ER -