abstract：:Gamma-aminobutyric acid (GABA)-like immunoreactivity in the chick basilar papilla and lagenar macula was studied by using anti-serum against GABA coupled with glutaraldehyde to bovine serum albumin. GABA-like immunoreactivity was localized selectively in the cytoplasm of both tall and short hair cells in the basilar p...

journal_title：Hearing research

authors： Usami S,Igarashi M,Thompson GC

更新日期：1987-01-01 00:00:00

abstract：:The relation between hearing loss and loss of hair cells after prolonged exposure to a simulated industrial noise environment was determined in normotensive albino rats. Hearing loss was assessed behaviorally by a conditioned suppression technique and electrophysiologically by auditory brainstem response to pulses of ...

journal_title：Hearing research

authors： Borg E

更新日期：1987-01-01 00:00:00

abstract：:Pairs of single units were recorded simultaneously from the same microelectrode in the medial geniculate body (MGB) of nitrous oxide anaesthetized cats. Crosscorrelation histograms of each spike train pairs were computed and distributed in five main classes, interpreted in terms of functional interaction between neigh...

journal_title：Hearing research

authors： Heierli P,de Ribaupierre F,de Ribaupierre Y

更新日期：1987-01-01 00:00:00

abstract：:The etiology of an incidentally discovered temporary threshold shift observed in an experimental animal (Harley guinea pig) is discussed with its potential implications for auditory research. ...

journal_title：Hearing research

authors： Rizer FM,Don M,Sininger Y

更新日期：1987-01-01 00:00:00

abstract：:The auditory filter may be considered as a weighting function representing frequency selectivity at a particular centre frequency. Its shape can be derived using the power-spectrum model of masking which assumes: (1) in detecting a signal in a masker the observer uses the single auditory filter giving the highest sign...

journal_title：Hearing research

authors： Moore BC,Glasberg BR

更新日期：1987-01-01 00:00:00

abstract：:Glass microelectrodes were introduced into the stria vascularis (SV) to measure the DC potential profile of the SV in vivo from its apical as well as basal side. The K+ concentration gradient in the lateral cochlear wall was measured by means of double barrel K+-selective microelectrodes. A positive potential 10.4 +/-...

journal_title：Hearing research

authors： Melichar I,Syka J

更新日期：1987-01-01 00:00:00

abstract：:A series of organic acid transport inhibitors significantly reduced the endocochlear potential (EP) decline produced by furosemide in the chinchilla. Probenecid, sodium salicylate and penicillin G were much more effective than novobiocin, meclofenamate or diatrizoate. Inhibitors of organic base transport, choline and ...

journal_title：Hearing research

authors： Rybak LP,Whitworth C

更新日期：1987-01-01 00:00:00

abstract：:This report describes a study that took advantage of the unique reactivity of the patas monkey (Erythrocebus patas) to dihydrostreptomycin-sulfate (DHSM) to investigate the effects of selective outer hair cell (OHC) lesions on psychophysical tuning curves (PTC). Four patas monkeys were trained using operant reinforcem...

journal_title：Hearing research

authors： Smith DW,Moody DB,Stebbins WC,Norat MA

更新日期：1987-01-01 00:00:00

abstract：:One can construct narrow bands of noise that contain delays of either the envelope, the phase, or the carrier separately or in combination. Delayed and undelayed noises will have identical spectra if, and only if, both the envelope and the phase undergo delays of the same magnitude. To study lateralization of these si...

journal_title：Hearing research

authors： Amenta CA 3rd,Trahiotis C,Bernstein LR,Nuetzel JM

更新日期：1987-01-01 00:00:00

abstract：:The dose-response ototoxic effects of cisplatin were studied in guinea pigs. Loss of Preyer reflex and suppression of the N1 amplitude occurred in cisplatin-treated animals and was described as dose-related. Drug-induced hair cell damage, as observed with scanning electron microscopy, occurred sporadically throughout ...

journal_title：Hearing research

authors： Barron SE,Daigneault EA

更新日期：1987-01-01 00:00:00

abstract：:Electrically evoked auditory brainstem response (EABR) recordings were made from 38 humans implanted with one of three cochlear prostheses, and from 25 cats. Recognizable auditory potentials were identified in 27 of the profoundly deaf implanted subjects. In both cats and humans EABR waveform morphology and magnitude ...

journal_title：Hearing research

authors： van den Honert C,Stypulkowski PH

更新日期：1986-01-01 00:00:00

abstract：:Until recently the responses of the mechanosensitive hair cells of the cochlea have been inferred from their morphology, morphological relationships with other structures in the cochlea, and by indirect electrophysiological measurements. With the advent of techniques for making intracellular recordings from hair cells...

journal_title：Hearing research

authors： Russell IJ,Cody AR,Richardson GP

更新日期：1986-01-01 00:00:00

abstract：:Selected mechanical features of the design of the homodyne interferometer are described. This interferometer was utilized for basilar membrane vibration measurements. The massive construction necessary to minimize mechanical vibration and noise is described. In order to measure basilar membrane vibrations, it was nece...

journal_title：Hearing research

authors： Khanna SM,Johnson GW,Jacobs J

更新日期：1986-01-01 00:00:00

abstract：:Superposition of point processes has often been suggested as an abstract model for the generation of neural discharge patterns due to its simplicity (input spike trains are simply merged and then retransmitted by the model neuron). The properties of the superposition of two renewal processes are examined in relation t...

journal_title：Hearing research

authors： Linebarger DA,Johnson DH

更新日期：1986-01-01 00:00:00

abstract：:Admittance at the tympanic membrane was measured in one ear of 73 chicks in 8 age groups between 1 and 150 days post-hatch. Admittance at 7 frequencies (0.66-1.8 kHz) was calculated from measurements of the magnitude and phase angle of sound pressure in front of the tympanic membrane. The results show that admittance ...

journal_title：Hearing research

authors： Saunders JC,Relkin EM,Rosowski JJ,Bahl C

更新日期：1986-01-01 00:00:00

abstract：:Measurements of the responses to tones and clicks were made from single primary auditory fibres of the caiman. The distribution of the amplitude and phase of the fundamental component of the response rate modulation over the best frequencies of the fibres is comparable to that reported in the cat, despite the fact tha...

journal_title：Hearing research

authors： Smolders JW,Klinke R

更新日期：1986-01-01 00:00:00

abstract：:The laminar distribution and reciprocity of commissural axon terminals and cells of origin in cat primary auditory cortex (AI) were studied after injections of tritiated proline combined with horseradish peroxidase in the middle ectosylvian gyrus. Terminal fields were found in every cortical layer in the contralateral...

journal_title：Hearing research

authors： Code RA,Winer JA

更新日期：1986-01-01 00:00:00

abstract：:The intra-cochlear distributions of aspartate aminotransferase and glutaminase, prominent enzymes of aspartate and glutamate metabolism, have been studied by quantitative microchemical techniques. Also measured was choline acetyltransferase, the enzyme synthesizing acetylcholine, and a marker for the olivocochlear bun...

journal_title：Hearing research

authors： Wiet GJ,Godfrey DA,Ross CD,Dunn JD

更新日期：1986-01-01 00:00:00

abstract：:The current distribution of bipolar electrodes implanted into the scala tympani of the cat cochlea was investigated using a two-electrode masking technique. Two electrode masking is a non-invasive technique which requires two electrically independent electrodes and relies upon the forward masking of the electrically e...

journal_title：Hearing research

authors： O'Leary SJ,Black RC,Clark GM

更新日期：1985-06-01 00:00:00

abstract：:In these experiments the development of summating potential (SP) responses in gerbils from neonates to adults was followed. Special recording techniques were used to eliminate maturational effects associated with the middle ear so that developmental changes in cochlear physiology were isolated for study. Results indic...

journal_title：Hearing research

authors： Yancey C,Dallos P

更新日期：1985-05-01 00:00:00

abstract：:A model is introduced for auditory adaptation based on the stochastic models that are widely documented for birth and death processes and used as a vehicle to review single unit and compound action potential studies as well as various models for adaptation and forward masking. It appears that such a model inherently i...

journal_title：Hearing research

authors： Eggermont JJ

更新日期：1985-04-01 00:00:00

abstract：:The nascent tectorial membrane (TM) is identifiable as early as stage 33 (7th day) as thin, wispy material. By stage 37 (11th day), the dense mesh of the immature TM and fibrous webs (subtectorial threads) that attach the TM to the basilar papilla are distinct but scanty. The TM condenses slightly in its upper face. T...

journal_title：Hearing research

authors： Cohen GM,Fermin CD

更新日期：1985-04-01 00:00:00

abstract：:The basilar papilla of the Barn Owl's (Tyto alba) cochlea was found to be 9.5-11.5 mm long. Histological examination revealed that the sensory hair cells had a characteristic distribution: The proximal half contained mostly typical short cells; tall hair cells were present only on the distal half along with many short...

journal_title：Hearing research

authors： Smith CA,Konishi M,Schuff N

更新日期：1985-03-01 00:00:00

abstract：:The radial width of three rows of cuticular plates of outer hair cells (width of the OHC triad), the distribution of inner hair cells along the organ of Corti, and postnatal maturation of the middle ear were examined in rats of the Srague-Dawley and Lewis strains aged 0-24 days and two months. The width of the OHC tri...

journal_title：Hearing research

authors： Burda H

更新日期：1985-03-01 00:00:00

abstract：:No adequate theory for the signal-transmission properties of the peripheral auditory system exists for any vertebrate ear. Because the mammalian ear seems to pose conceptual and technical problems that complicate the development of an adequate theory, it is worthwhile to investigate simpler ears. The ear of the alliga...

journal_title：Hearing research

authors： Weiss TF,Peake WT,Rosowski JJ

更新日期：1985-01-01 00:00:00

abstract：:Efferent neurones within the intraganglionic spiral bundle of the guinea pig cochlea were characterized in terms of their response properties, and their pattern of termination within the receptor organ revealed by intracellular labelling with horseradish peroxidase. All neurones subsequently identified as efferent neu...

journal_title：Hearing research

authors： Robertson D,Gummer M

更新日期：1985-01-01 00:00:00

abstract：:58 chicks or chick embryos were continuously exposed during 12 h on either embryonic day 18 or 20 or on post-hatching days 1, 10, 20 or 30 to 1.5 kHz pure tone at an intensity of 125 dB SPL. After a 20- or 30-day survival time, audiograms were recorded and then the basilar papillae were prepared for scanning electron ...

journal_title：Hearing research

authors： Cousillas H,Rebillard G

更新日期：1985-01-01 00:00:00

abstract：:The distribution of actin, alpha-actinin, fimbrin, tropomyosin and tubulin in the apical region of inner and outer hair cells was studied by immunofluorescent localization of antibodies to these proteins. The macromolecular distribution of actin and alpha-actinin was studied using post-embedding immunoelectron microsc...

journal_title：Hearing research

authors： Slepecky N,Chamberlain SC

更新日期：1985-01-01 00:00:00

abstract：:Guinea pigs were exposed to 120 dB white noise for 30 min and evidenced a four-fold elevation in plasma concentration of the potent vasoconstricting hormone angiotensin II (AII). Anesthetized animals received intra-arterial injections of AII at doses that approximated the endogenous levels measured following noise exp...

journal_title：Hearing research

authors： Wright JW,Dengerink HA,Miller JM,Goodwin PC

更新日期：1985-01-01 00:00:00

abstract：:The acoustic input-admittance at the alligator lizard's tympanic membrane varies with stimulus level; the magnitude of the variation can be as much as a factor of three. At 1.6 kHz, the frequency of maximum admittance magnitude, the admittance varies when the stimulus level exceeds 65 dB SPL. At frequencies above or b...

journal_title：Hearing research

authors： Rosowski JJ,Peake WT,Lynch TJ 3rd

更新日期：1984-12-01 00:00:00

abstract：:Two methods were used to extract frequency specific information from the gross d.c. cochlear potential, the summating potential (SP). The first approach was to derive SP tuning curves using a two-tone simultaneous masking procedure; the second to obtain SP iso-response functions. The influence of various parameter cha...

journal_title：Hearing research

authors： Cheatham MA,Dallos P

更新日期：1984-11-01 00:00:00

abstract：:This study concerns the connections of the inner and outer hair cells and the different types of ganglion cells of the mammalian cochlea with the central nervous system by making use of their putative neurotransmitters. D-[3H]Aspartate (D-ASP), a putative marker for glutamatergic neurons, was injected into the cochlea...

journal_title：Hearing research

authors： Jones DR,Morest DK,Oliver DL,Potashner SJ

更新日期：1984-09-01 00:00:00

abstract：:The endocochlear potential and Na+ activity in the endolymph were simultaneously measured with a double-barreled Na+ selective liquid membrane electrode. The modified Na+ conductance and permeability coefficient of the endolymph-perilymph barrier were calculated from the rate of change in the endolymph Na+ concentrati...

journal_title：Hearing research

authors： Konishi T,Mori H

更新日期：1984-08-01 00:00:00

abstract：:Stiffness of hair bundles on cochlear hair cells was measured in turns 2, 3 and 4 of isolated preparations of the guinea-pig organ of Corti maintained in tissue culture medium. Defined as the force required to produce a linear 1.0 micron deflection of the hair-bundle tip, stiffness is greater for deflection in the exc...

journal_title：Hearing research

authors： Strelioff D,Flock A

更新日期：1984-07-01 00:00:00

abstract：:The electrically evoked compound action potential (CAP) of the auditory nerve exhibits two peaks, termed N0, at 350 microseconds latency, and N1, at 550 microseconds latency. At low stimulus intensities the CAP consists solely of the long latency N1 peak. As the stimulus strength is increased the higher threshold N0 a...

journal_title：Hearing research

authors： Stypulkowski PH,van den Honert C

更新日期：1984-06-01 00:00:00

abstract：:The vibration characteristics (amplitude and phase as a function of frequency) of the tympanic membrane in the grass frog were measured using a laser-doppler velocity meter. It was tested to what extent the frog's acoustic system behaves as a pressure gradient receiver. This might clarify how the frog localizes sound....

journal_title：Hearing research

authors： Vlaming MS,Aertsen AM,Epping WJ

更新日期：1984-05-01 00:00:00

abstract：:An investigation of the effects of the level and bandwidth of the masking noise and of the effect of test-tone duration on binaural masking-level differences (BMLDs) has been carried out using the standard Békésy audiometric techniques. The BMLDs increase in magnitude with increasing masker level, reach a shallow maxi...

journal_title：Hearing research

authors： Henning GB,Zwicker E

更新日期：1984-05-01 00:00:00

abstract：:Cochlear microphonics (CM) were recorded with differential electrodes from several locations in the guinea pig cochlea. Input-output curves and amplitude-frequency curves were plotted before and after short exposures to intense noise. In addition to amplitude losses, important changes in the intensity functions result...

journal_title：Hearing research

authors： Legouix JP,Joannès M

更新日期：1984-04-01 00:00:00

abstract：:Masking and binaural masking-level differences (BMLDs) were measured using short 400 and 800 Hz test tones masked by uniform masking noise in both pre- and post-masking conditions. The BMLD shows the same dependence on the temporal position of the test signal as masking itself. Additional data produced with interrupte...

journal_title：Hearing research

authors： Zwicker E,Zwicker UT

更新日期：1984-03-01 00:00:00

abstract：:Insight into cochlear mechanics can be obtained from semi-analytical and asymptotic solution methods of which the Liouville -Green (LG) method - in another context known as the WKB method - is the most important one. This paper describes the dispersion properties of fluid waves in general terms and develops the LG for...

journal_title：Hearing research

authors： de Boer E,Viergever MA

更新日期：1984-02-01 00:00:00