{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T06:06:13Z","timestamp":1778133973769,"version":"3.51.4"},"reference-count":38,"publisher":"Acoustical Society of America (ASA)","issue":"1","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2003,7,1]]},"abstract":"<jats:p>Harmonic complexes comprised of the same spectral components in either positive-Schroeder (+Schr) or negative-Schroeder (\u2212Schr) phase [see Schroeder, IEEE Trans. Inf. Theory 16, 85\u201389 (1970)] have identical long-term spectra and similar waveform envelopes. However, localized patterns of basilar-membrane (BM) excitation can be quite different in response to these two stimuli. Measurements in chinchillas showed more modulated (peakier) BM excitation for +Schr than \u2212Schr complexes [Recio and Rhode, J. Acoust. Soc. Am. 108, 2281\u20132298 (2000)]. In the current study, laser velocimetry was used to examine BM responses at a location tuned to approximately 17 kHz in the basal turn of the guinea-pig cochlea, for +Schr and \u2212Schr complexes with a 203-Hz fundamental frequency and including 101 equal-amplitude components from 2031 to 22\u200a344 Hz. At 35-dB SPL, +Schr response waveforms showed greater amplitude modulation than \u2212Schr responses. With increasing stimulation level, internal modulation decreased for both complexes. To understand the observed phenomena quantitatively, responses were predicted on the basis of a linearized model of the cochlea. Prediction was based on an \u201cindirect impulse response\u201d measured in the same animal. Response waveforms for Schroeder-phase signals were accurately predicted, provided that the level of the indirect impulse used in prediction closely matched the level of the Schroeder-phase stimulus. This result confirms that the underlying model, which originally was developed for noise stimuli, is valid for stimuli that produce completely different response waveforms. Moreover, it justifies explanation of cochlear filtering (i.e., differential treatment of different frequencies) in terms of a linear system.<\/jats:p>","DOI":"10.1121\/1.1580813","type":"journal-article","created":{"date-parts":[[2003,7,7]],"date-time":"2003-07-07T15:04:01Z","timestamp":1057590241000},"page":"294-306","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":31,"title":["Basilar-membrane responses to multicomponent (Schroeder-phase) signals: Understanding intensity effects"],"prefix":"10.1121","volume":"114","author":[{"given":"Van","family":"Summers","sequence":"first","affiliation":[{"name":"Army Audiology & Speech Center, Walter Reed Army Medical Center, Washington, DC\u200920307-5001"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Egbert","family":"de Boer","sequence":"additional","affiliation":[{"name":"Room D2-226, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105\u2009AZ, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alfred L.","family":"Nuttall","sequence":"additional","affiliation":[{"name":"Oregon Hearing Research Center, NRC04, Oregon Health Sciences University, 3181 SW Sam Jackson Park Road, Portland, Oregon\u200997201-3098"},{"name":"Kresge Hearing Research Institute, University of Michigan, 1301 East Ann Street, Ann Arbor, Michigan\u200948109-0506"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","published-online":{"date-parts":[[2003,7,3]]},"reference":[{"key":"2023071402281393900_car7a","doi-asserted-by":"crossref","first-page":"3636","DOI":"10.1121\/1.418324","article-title":"Excitation produced by Schroeder-phase complexes: Evidence for fast-acting compression in the auditory system","volume":"101","year":"1997","journal-title":"J. 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