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Journal articles on the topic 'Behavioral thresholds'

Author: Grafiati

Published: 15 June 2024

Last updated: 31 July 2025

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1

Van Dun, Bram, Harvey Dillon, and Mark Seeto. "Estimating Hearing Thresholds in Hearing-Impaired Adults through Objective Detection of Cortical Auditory Evoked Potentials." Journal of the American Academy of Audiology 26, no. 04 (2015): 370–83. http://dx.doi.org/10.3766/jaaa.26.4.5.

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Background: Hearing threshold estimation based on cortical auditory evoked potentials (CAEPs) has been applied for some decades. However, available research is scarce evaluating the accuracy of this technique with an automated paradigm for the objective detection of CAEPs. Purpose: To determine the difference between behavioral and CAEP thresholds detected using an objective paradigm based on the Hotelling’s T 2 statistic. To propose a decision tree to choose the next stimulus level in a sample of hearing-impaired adults. This knowledge potentially could increase the efficiency of clinical hea

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Ortiz, Elelbin A., Philip D. Campbell, Jessica C. Nelson, and Michael Granato. "A single base pair substitution in zebrafish distinguishes between innate and acute startle behavior regulation." PLOS ONE 19, no. 3 (2024): e0300529. http://dx.doi.org/10.1371/journal.pone.0300529.

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Behavioral thresholds define the lowest stimulus intensities sufficient to elicit a behavioral response. Establishment of baseline behavioral thresholds during development is critical for proper responses throughout the animal’s life. Despite the relevance of such innate thresholds, the molecular mechanisms critical to establishing behavioral thresholds during development are not well understood. The acoustic startle response is a conserved behavior whose threshold is established during development yet is subsequently acutely regulated. We have previously identified a zebrafish mutant line (es

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Tedó, Carmen Muñoz, Pilar Herreros De Tejada, and Daniel G. Green. "Behavioral estimates of absolute threshold in rat." Visual Neuroscience 11, no. 6 (1994): 1077–82. http://dx.doi.org/10.1017/s0952523800006891.

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AbstractDark-adapted thresholds of albino and pigmented rats were estimated using behavioral methods. Albino and pigmented rats who had been water deprived learned to bar press for water reinforcement when a light stimulus was presented. Absolute threshold was defined to be the light intensity at which bar pressing behavior was significantly modified by the presence of the light stimulus. Albino rats had an average threshold of −5.23 log cd/m2 and the pigmented rats had a threshold of −5.0 log cd/m2. These values are close to −5.3 log cd/m2, the psychophysical threshold of human observers in t

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Houser, Dorian S., Kyle Donohoe, Jason Mulsow, and James J. Finneran. "Quantifying differences in dolphin hearing thresholds obtained with behavioral and auditory evoked potential methods." Journal of the Acoustical Society of America 157, no. 3 (2025): 1955–68. https://doi.org/10.1121/10.0036153.

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Different methods of producing the auditory steady state response (ASSR) are used to test dolphin hearing, but each method affects the resulting ASSR threshold. Since behavioral thresholds are often desired, this study, using common ASSR methods, compared differences between ASSR and behavioral hearing thresholds in five dolphins. Sinusoidal amplitude modulated (SAM) tones or tone pip trains were presented to the dolphins through a contact transducer while they were in air or partially submerged under water. Underwater behavioral hearing thresholds were obtained with pure tone stimuli on the s

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Rahne, Torsten, and Thomas Ehelebe. "Objective Estimation of Frequency-Specific Pure-Tone Hearing Thresholds following Bone-Conduction Hearing Aid Stimulation." Scientific World Journal 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/247942.

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Patients suffering from conductive or mixed hearing loss may benefit from bone-conduction hearing systems (BAHS). The amount of amplification provided by the hearing system is selected based on the individual’s sensorineural frequency-specific threshold. With patients who are not able to provide thresholds behaviorally, such as young children, objective methods are required to estimate the unaided and aided hearing threshold and thus the success of the hearing system fitting. In a prospective study with ten adult Baha softband users, aided and unaided frequency-specific thresholds were estimat

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McCreery, Ryan, Elizabeth Walker, Meredith Spratford, Benjamin Kirby, Jacob Oleson, and Marc Brennan. "Stability of Audiometric Thresholds for Children with Hearing Aids Applying the American Academy of Audiology Pediatric Amplification Guideline: Implications for Safety." Journal of the American Academy of Audiology 27, no. 03 (2016): 252–63. http://dx.doi.org/10.3766/jaaa.15049.

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Background: Children who wear hearing aids may be at risk for further damage to their hearing from overamplification. Previous research on amplification-induced hearing loss has included children using linear amplification or simulations of predicted threshold shifts based on nonlinear amplification formulae. A relationship between threshold shifts and the use of nonlinear hearing aids in children has not been empirically verified. Purpose: The purpose of the study was to compare predicted threshold shifts from amplification to longitudinal behavioral thresholds in a large group of children wh

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Naumova, I. V., A. V. Pashkov, I. V. Zelenkova, and D. S. Klyachko. "Registration of assr-thresholds in free field stimulation in normal hearing persons. Our experience." Russian Otorhinolaryngology 19, no. 5 (2020): 63–67. http://dx.doi.org/10.18692/1810-4800-2020-5-63-67.

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Background: Currently, for an objective assessment of the thresholds of auditory sensitivity, one of the most popular diagnostic methods is the method of recording of auditory steady state response - the ASSR test. One of the primary uses of ASSR is to assess sound thresholds correlated with tonal threshold audiometry. Actually, there are no reliable criteria for the norm for this study with free field stimulation, in conditions close to the natural listening environment. The identification of these criteria will allow this method to be applied as a routine in patients who cannot be tested in

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Syed Bilal Hussain Shah, Zaimal Shahan, Maryiam Asghar, Mohammad Zubair Khan, Mohsin Raza, and Wajih-ud-din Shinwari. "Correlation of Electrophysiological and Behavioral Response in Cochlear Implant Candidates." Pakistan Armed Forces Medical Journal 74, no. 4 (2024): 1037–41. http://dx.doi.org/10.51253/pafmj.v74i4.9670.

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Objective: To determine the effect of Cochlear Implants on electrophysiological and behavioural response in children with hearing impairment at frequencies of 500, 1000, 2000, and 4000 Hz. Study Design: Cross sectional study. Place and Duration of Study: Department of ENT, Combined Military Hospital Rawalpindi Pakistan, from Jul 2021 to Jul 2022. Methodology: Seventy children with hearing impairment aged 2-12 years of either gender, who had undergone cochlear implantation were part of the study. Language and hearing conditions were examined during the audiological assessment of candidates for

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9

Kaf, Wafaa A., Enass S. Mohamed, and Hamza Elshafiey. "40-Hz Sinusoidal Auditory Steady-State Response and Tone Burst Auditory Brainstem Response Using a Kalman Filter to Determine Thresholds Pre- and Post-Myringotomy With Grommet Tube in Children With Mild, Low-Frequency Conductive Hearing Loss." American Journal of Audiology 25, no. 1 (2016): 41–53. http://dx.doi.org/10.1044/2015_aja-15-0052.

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PurposeAccurate estimation of mild, low-frequency hearing loss is difficult in young children. This study aimed to determine the accuracy of 40-Hz sinusoidal auditory steady-state response (sASSR) compared with tone burst auditory brainstem response (TB-ABR) to detect mild, low-frequency hearing loss in children with otitis media with effusion and to measure postoperative thresholds.MethodsThresholds at 500 and 4000 Hz were measured behaviorally and electrophysiologically using TB-ABR and 40-Hz sASSR with a Kalman filter in 26 children with otitis media with effusion. Recording was conducted p

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10

Fitzgerald, Tracy S., and Beth A. Prieve. "COAE Thresholds." Journal of Speech, Language, and Hearing Research 40, no. 5 (1997): 1164–76. http://dx.doi.org/10.1044/jslhr.4005.1164.

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Although research has demonstrated that click-evoked otoacoustic emissions (COAEs) elicited by high-level stimuli are useful for identifying hearing loss, the ability of COAEs to predict behavioral thresholds has not been adequately tested. Results of studies comparing COAE thresholds and behavioral thresholds have been equivocal, perhaps due to the need for a more rigorous approach to COAE threshold estimation. The present study was designed to address several methodological concerns in COAE threshold testing, particularly the effects of two methods of stimulus presentation on COAE testing an

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Ebert, Charles Stephen, Charley S. Coffey, Allen F. Marshall, Stephanie Falk, John Skaggs, and Douglas Fitzpatrick. "Behavioral Thresholds to Binaural Cues." Otolaryngology–Head and Neck Surgery 131, no. 2 (2004): P304. http://dx.doi.org/10.1016/j.otohns.2004.06.672.

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Nagy, J., G. Bardos, and G. Adam. "Behavioral thresholds of intestinal stimuli." International Journal of Psychophysiology 7, no. 2-4 (1989): 328–29. http://dx.doi.org/10.1016/0167-8760(89)90265-1.

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13

Milner, Peter M., and André Laferrière. "Behavioral measurement of axonal thresholds." Behavioural Brain Research 22, no. 3 (1986): 217–26. http://dx.doi.org/10.1016/0166-4328(86)90066-5.

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Minett, Michael S., Kathryn Quick, and John N. Wood. "Behavioral Measures of Pain Thresholds." Current Protocols in Mouse Biology 1, no. 3 (2011): 383–412. http://dx.doi.org/10.1002/9780470942390.mo110116.

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15

Beitel, Ralph E., Russell L. Snyder, Christoph E. Schreiner, Marcia W. Raggio, and Patricia A. Leake. "Electrical Cochlear Stimulation in the Deaf Cat: Comparisons Between Psychophysical and Central Auditory Neuronal Thresholds." Journal of Neurophysiology 83, no. 4 (2000): 2145–62. http://dx.doi.org/10.1152/jn.2000.83.4.2145.

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Cochlear prostheses for electrical stimulation of the auditory nerve (“electrical hearing”) can provide auditory capacity for profoundly deaf adults and children, including in many cases a restored ability to perceive speech without visual cues. A fundamental challenge in auditory neuroscience is to understand the neural and perceptual mechanisms that make rehabilitation of hearing possible in these deaf humans. We have developed a feline behavioral model that allows us to study behavioral and physiological variables in the same deaf animals. Cats deafened by injection of ototoxic antibiotics

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16

Green, Daniel G., Pilar Herreros De Tejada, and Marilyn J. Glover. "Electrophysiological estimates of visual sensitivity in albino and pigmented mice." Visual Neuroscience 11, no. 5 (1994): 919–25. http://dx.doi.org/10.1017/s0952523800003874.

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AbstractWe have estimated the absolute threshold of congenic albino and pigmented mice (C57) using ERG, pupillary light reflex, and VHP. We are unable to detect strain differences using ERGs or VEPs, but pupillary thresholds appear to be different. In addition, as we have previously reported for rats, VEP thresholds are considerably lower than the ERG b−wave thresholds. The VEP thresholds agree with behavioral data from pigmented mice made by others. The mouse VEP thresholds are close to the VEP thresholds in rats and the psychophysical thresholds of two human observers.

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Ahlgren, S. C., and J. D. Levine. "Protein kinase C inhibitors decrease hyperalgesia and C-fiber hyperexcitability in the streptozotocin-diabetic rat." Journal of Neurophysiology 72, no. 2 (1994): 684–92. http://dx.doi.org/10.1152/jn.1994.72.2.684.

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1. We have previously demonstrated that although rats with streptozotocin-induced diabetes (STZ-D) have decreased behavioral mechanical nociceptive thresholds (hyperalgesia), their C-fiber primary afferent mechanical (von Frey hair) thresholds are not altered. Instead, when stimulated with a standardized sustained suprathreshold mechanical stimulus, C-fibers from STZ-D rats were found to have an increased number of spikes (hyperexcitability). We suggested that this C-fiber hyperexcitability contributes to the behavioral hyperalgesia and that agents that reverse the hyperalgesia may act by decr

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Palmer, Shannon B., and Frank E. Musiek. "Electrophysiological Gap Detection Thresholds: Effects of Age and Comparison with a Behavioral Measure." Journal of the American Academy of Audiology 25, no. 10 (2014): 999–1007. http://dx.doi.org/10.3766/jaaa.25.10.8.

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Background: Temporal processing ability has been linked to speech understanding ability and older adults often complain of difficulty understanding speech in difficult listening situations. Temporal processing can be evaluated using gap detection procedures. There is some research showing that gap detection can be evaluated using an electrophysiological procedure. However, there is currently no research establishing gap detection threshold using the N1-P2 response. Purpose: The purposes of the current study were to 1) determine gap detection thresholds in younger and older normal-hearing adult

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Beattie, Randall C., and Ilanit Rochverger. "Normative Behavioral Thresholds for Short Tone-Bursts." Journal of the American Academy of Audiology 12, no. 09 (2001): 453–61. http://dx.doi.org/10.1055/s-0042-1745633.

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AbstractAlthough tone-bursts have been commonly used in auditory brainstem response (ABR) evaluations for many years, national standards describing normal calibration values have not been established. This study was designed to gather normative threshold data to establish a physical reference for tone-burst stimuli that can be reproduced across clinics and laboratories. More specifically, we obtained norms for 3-msec tone-bursts presented at two repetition rates (9.3/sec and 39/sec), two gating functions (Trapezoid and Blackman), and four frequencies (500, 1000, 2000, and 4000 Hz). Our results

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Tougaard, Jakob. "Behavioral reactions of harbor porpoises to impact pile driving noise are predicted by the auditory frequency weighted sound pressure level." Journal of the Acoustical Society of America 157, no. 2 (2025): 1368–77. https://doi.org/10.1121/10.0035916.

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Offshore impact pile driving is a major source of high level underwater noise that can disturb marine mammal behavior tens of kilometers away. Projects involving pile driving are therefore subject to environmental impact assessments, which include modelling of the spatial extent of the behavioral disturbance. Reliable predictions about behavioral reaction distances require robust estimates of the minimum received levels of noise above which animals are likely to respond. Studies of reactions of harbor porpoises to pile driving noise in the wild and playback in captivity were identified, and re

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Walker, Douglas, Debi LaPlante, and Sarah E. Nelson. "Quitting while you're ahead: Evidence for individual gambling thresholds from a survey of Massachusetts Gamblers." Journal of Gambling Business and Economics 15, no. 1 (2022): 3–24. http://dx.doi.org/10.5750/jgbe.v15i1.1971.

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Although key stakeholders have discussed responsible gambling tools and protective behavioral strategies for years, evaluations of their effectiveness are still limited. Among protective behavioral strategies are individual gambling thresholds, typically on monetary losses or time spent gambling, after which a person stops gambling. A novel, counter-intuitive alternative, a monetary win threshold, also might hold value. Simulations have shown that, like monetary loss or time thresholds, win thresholds reduce the amount of time spent gambling and therefore also limit average expected gambling l

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Hulecki, Lauren R., and Susan A. Small. "Behavioral Bone-Conduction Thresholds for Infants with Normal Hearing." Journal of the American Academy of Audiology 22, no. 02 (2011): 081–92. http://dx.doi.org/10.3766/jaaa.22.2.3.

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Background: Bone-conduction thresholds have been used in audiologic assessments of both infants and adults to differentiate between conductive and sensorineural hearing losses. However, air- and bone-conduction thresholds estimated for infants with normal hearing using physiological measures have identified an “air–bone gap” in the low frequencies that does not result from conductive hearing impairment but, rather, from maturational differences in sensitivity. This maturational air–bone gap appears to be present up to at least 2 yr of age. Because most infants older than 6 mo of age are clinic

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Myers, Lawrence J., and Ross Pugh. "Thresholds of the dog for detection of inhaled eugenol and benzaldehyde determined by electroencephalographic and behavioral olfactometry." American Journal of Veterinary Research 46, no. 11 (1985): 2409–12. https://doi.org/10.2460/ajvr.1985.46.11.2409.

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SUMMARY Electroencephalographic olfactometry and behavioral olfactometry were developed to evaluate objectively the olfactory function of 12 dogs. These techniques were used to determined normative thresholds for benzaldehyde, a mixed olfactory and trigeminal stimulant, and eugenol, a suspected pure olfactory stimulant, in 12 dogs. Both techniques were effective in obtaining a mean threshold for clinically normal dogs. Electroencephalographic olfactometry was demonstrated to be more sensitive than was behavioral olfactometry. The techniques measured olfactory function by failure to evoke respo

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Haburcakova, Csilla, Richard F. Lewis, and Daniel M. Merfeld. "Frequency dependence of vestibuloocular reflex thresholds." Journal of Neurophysiology 107, no. 3 (2012): 973–83. http://dx.doi.org/10.1152/jn.00451.2011.

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How the brain processes signals in the presence of noise impacts much of behavioral neuroscience. Thresholds provide one way to assay noise. While perceptual thresholds have been widely investigated, vestibuloocular reflex (VOR) thresholds have seldom been studied and VOR threshold dynamics have never, to our knowledge, been reported. Therefore, we assessed VOR thresholds as a function of frequency. Specifically, we measured horizontal VOR thresholds evoked by yaw rotation in rhesus monkeys, using standard signal detection approaches like those used in earlier human vestibular perceptual thres

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Kalaiah, Mohan Kumar, Sanjana Poovaiah, and Usha Shastri. "Threshold Estimation Using “Chained Stimuli” for Cortical Auditory Evoked Potentials in Individuals With Normal Hearing and Hearing Impairment." American Journal of Audiology 28, no. 2S (2019): 428–36. http://dx.doi.org/10.1044/2018_aja-ind50-18-0090.

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Purpose We investigated the utility of chained stimuli for threshold estimation using cortical auditory evoked potentials (CAEPs) in individuals with normal hearing sensitivity and hearing loss. The effect of the order of frequency in chained stimuli on CAEPs was also studied. Method Seventeen individuals with normal hearing and 17 individuals with mild to severe sensorineural hearing loss participated in the study. In individuals with normal hearing, CAEPs were recorded at 80 dB nHL for 4 chained stimuli with different orders of frequencies within them (Chained Stimuli 1 [CS1]: 500, 1000, 200

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LOOP, MICHAEL S., and DAVID K. CROSSMAN. "High color-vision sensitivity in macaque and humans." Visual Neuroscience 17, no. 1 (2000): 119–25. http://dx.doi.org/10.1017/s0952523800171123.

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Psychophysical (behavioral) detection thresholds and color-discrimination thresholds were determined in a macaque using a two-alternative forced-choice procedure. On a white background, detection thresholds were determined for a white increment and three spectral increments: 618, 516, and 456 nm. Intermixed with detection threshold determinations, color-discrimination thresholds were determined by presenting the white increment, and one of the spectral increments, at 1.0 log units above their respective detection thresholds and dimming both until discrimination performance fell to threshold. T

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Vander Werff, Kathy R. "Accuracy and Time Efficiency of Two ASSR Analysis Methods Using Clinical Test Protocols." Journal of the American Academy of Audiology 20, no. 07 (2009): 433–52. http://dx.doi.org/10.3766/jaaa.20.7.5.

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Background: The number of commercially available evoked potential systems implementing multiple-frequency auditory steady-state response (ASSR) techniques has increased over the last several years. The majority of data in the multiple-frequency ASSR literature have been obtained using time-domain averaging and Fast Fourier Transform (FFT) techniques with F-test statistical analysis. Another commercially available analysis method has been introduced using an adaptive filtering algorithm called the Fourier Linear Combiner (FLC). No previous investigation has evaluated the performance of the FLC

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Guérineau, Cécile, Anna Broseghini, Miina Lõoke, Giulio Dehesh, Paolo Mongillo, and Lieta Marinelli. "Determining Hearing Thresholds in Dogs Using the Staircase Method." Veterinary Sciences 11, no. 2 (2024): 67. http://dx.doi.org/10.3390/vetsci11020067.

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There is a growing interest in performing playback experiments to understand which acoustical cues trigger specific behavioral/emotional responses in dogs. However, very limited studies have focused their attention on more basic aspects of hearing such as sensitivity, i.e., the identification of minimal intensity thresholds across different frequencies. Most previous studies relied on electrophysiological methods for audiograms for dogs, but these methods are considered less accurate than assessments based on behavioral responses. To our knowledge, only one study has established hearing thresh

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El Kousht, Moustafa, Mohamed S. El Minawy, Tarek M. El Dessouky, Rabab A. Koura, and Mona Essam. "The sensitivity of the ce-chirp auditory brainstem response in estimating hearing thresholds in different audiometric configurations." Egyptian Journal of Otolaryngology 35, no. 1 (2019): 56–62. http://dx.doi.org/10.4103/ejo.ejo_27_18.

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Abstract Background CE-Chirp is a new broadband stimulus that permits the energy from the stimulus to reach the whole regions of the cochlea at approximately the same time. Aim Comparison of auditory brainstem response (ABR) thresholds obtained by using click stimulus, broadband CE-Chirp and 500 Hz, 1, 2, and 4 kHz narrow band CE-Chirp stimuli to those obtained by behavioral hearing thresholds in adults with normal hearing and with varying configurations of sensorineural hearing loss (SNHL). Patients and Methods Ten adult patients with normal-hearing thresholds, whose age ranged from 19 to 50

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Dent, Micheal L., Daniel J. Tollin, and Tom C. T. Yin. "Influence of Sound Source Location on the Behavior and Physiology of the Precedence Effect in Cats." Journal of Neurophysiology 102, no. 2 (2009): 724–34. http://dx.doi.org/10.1152/jn.00129.2009.

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Psychophysical experiments on the precedence effect (PE) in cats have shown that they localize pairs of auditory stimuli presented from different locations in space based on the spatial position of the stimuli and the interstimulus delay (ISD) between the stimuli in a manner similar to humans. Cats exhibit localization dominance for pairs of transient stimuli with |ISDs| from ∼0.4 to 10 ms, summing localization for |ISDs| < 0.4 ms and breakdown of fusion for |ISDs| > 10 ms, which is the approximate echo threshold. The neural correlates to the PE have been described in both anesthetized a

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Small, Susan A., and David R. Stapells. "Normal Brief-Tone Bone-Conduction Behavioral Thresholds Using the B-71 Transducer: Three Occlusion Conditions." Journal of the American Academy of Audiology 14, no. 10 (2003): 556–62. http://dx.doi.org/10.3766/jaaa.14.10.4.

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Behavioral thresholds were measured from 31 adults with normal hearing for 500, 1000, 2000, and 4000 Hz brief tones presented using a B-71 bone oscillator. Three occlusion conditions were assessed: ears unoccluded, one ear occluded, and both ears occluded. Mean threshold force levels were 67, 54, 49, and 41 dB re:1μN peak-to-peak equivalent in the unoccluded condition for 500, 1000, 2000, and 4000 Hz, respectively (corrected for air-conduction pure-tone thresholds). A significant occlusion effect was observed for 500 and 1000 Hz stimuli. These thresholds may be used as the 0 dB nHL (normalhear

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Gegenfurtner, Karl R., Daniel C. Kiper, Jack M. H. Beusmans, Matteo Carandini, Qasim Zaidi, and J. Anthony Movshon. "Chromatic properties of neurons in macaque MT." Visual Neuroscience 11, no. 3 (1994): 455–66. http://dx.doi.org/10.1017/s095252380000239x.

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AbstractWe have studied the responses of MT neurons to moving gratings, spatially modulated in luminance and chromaticity. Most MT neurons responded briskly and with high contrast sensitivity to targets whose luminance was modulated, with or without added chromatic contrast. When luminance modulation was removed and only chromatic stimulation was used, the responses of all MT neurons were attenuated. Most were completely unresponsive to stimulation with targets whose modulation fell within a “null” plane in color space; these null planes varied from neuron to neuron, but all lay close to the p

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Goshorn, Edward L., Charles G. Marx, and Kimberly Ward. "Relationship between behavioral and electrophysiological hearing thresholds." Journal of the Acoustical Society of America 142, no. 4 (2017): 2612. http://dx.doi.org/10.1121/1.5014563.

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UETAKE, Katsuji, and Yoshio KUDO. "Behavioral Estimates of Auditory Thresholds in Cattle." Nihon Chikusan Gakkaiho 62, no. 9 (1991): 898–903. http://dx.doi.org/10.2508/chikusan.62.898.

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Anderson, Samira, Robert Ellis, Julie Mehta, and Matthew J. Goupell. "Age-related differences in binaural masking level differences: behavioral and electrophysiological evidence." Journal of Neurophysiology 120, no. 6 (2018): 2939–52. http://dx.doi.org/10.1152/jn.00255.2018.

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The effects of aging and stimulus configuration on binaural masking level differences (BMLDs) were measured behaviorally and electrophysiologically, using the frequency-following response (FFR) to target brainstem/midbrain encoding. The tests were performed in 15 younger normal-hearing (<30 yr) and 15 older normal-hearing (>60 yr) participants. The stimuli consisted of a 500-Hz target tone embedded in a narrowband (50-Hz bandwidth) or wideband (1,500-Hz bandwidth) noise masker. The interaural phase conditions included NoSo (tone and noise presented interaurally in-phase), NoSπ (noise pre

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Bader, Katharina, Linda Dierkes, Lore Helene Braun, Anthony W. Gummer, Ernst Dalhoff, and Dennis Zelle. "Test-retest reliability of distortion-product thresholds compared to behavioral auditory thresholds." Hearing Research 406 (July 2021): 108232. http://dx.doi.org/10.1016/j.heares.2021.108232.

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Vollmer, Maike, Ralph E. Beitel, and Russell L. Snyder. "Auditory Detection and Discrimination in Deaf Cats: Psychophysical and Neural Thresholds for Intracochlear Electrical Signals." Journal of Neurophysiology 86, no. 5 (2001): 2330–43. http://dx.doi.org/10.1152/jn.2001.86.5.2330.

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More than 30,000 hearing-impaired human subjects have learned to use cochlear implants for speech perception and speech discrimination. To understand the basic mechanisms underlying the successful application of contemporary speech processing strategies, it is important to investigate how complex electrical stimuli delivered to the cochlea are processed and represented in the central auditory system. A deaf animal model has been developed that allows direct comparison of psychophysical thresholds with central auditory neuronal thresholds to temporally modulated intracochlear electrical signals

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Vandermeulen, Erik P., and Timothy J. Brennan. "Alterations in Ascending Dorsal Horn Neurons by a Surgical Incision in the Rat Foot." Anesthesiology 93, no. 5 (2000): 1294–302. http://dx.doi.org/10.1097/00000542-200011000-00024.

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Background Little is known about the mechanisms of pain caused by a surgical incision. The authors have developed a rat model of postoperative pain characterized by decreased withdrawal thresholds to punctate mechanical stimuli after plantar incision. The present studies examined the response characteristics of dorsal horn neurons receiving input from the plantar aspect of the foot before and after a plantar incision placed adjacent to the low threshold area of the receptive field (RF). Methods Individual dorsal horn neurons from the lumbar enlargement were antidromically identified and charac

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Hicks, Candace Bourland, Anne Marie Tharpe, and Daniel H. Ashmead. "Behavioral Auditory Assessment of Young Infants." American Journal of Audiology 9, no. 2 (2000): 124–30. http://dx.doi.org/10.1044/1059-0889(2000/015).

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The determination of auditory thresholds by means of behavioral techniques in young infants can be difficult. This could be the result of limitations in methodology, a lack of observable auditory responsiveness, or both. In the current study, 2- and 4-month old infants were tested under enhanced conditions for obtaining behavioral responses (i.e., salient auditory stimuli, reduced visual distractions, reinforced correct responses). A two-interval, forced-choice task with four intensity levels was used. Although a behavioral threshold was obtained for the 4-month-olds, threshold determination f

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Norrix, Linda W., and David Velenovsky. "Unraveling the Mystery of Auditory Brainstem Response Corrections: The Need for Universal Standards." Journal of the American Academy of Audiology 28, no. 10 (2017): 950–60. http://dx.doi.org/10.3766/jaaa.16112.

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Background: The auditory brainstem response (ABR) is used to estimate behavioral hearing thresholds in infants and difficult-to-test populations. Differences between the toneburst ABR and behavioral thresholds exist making the correspondence between the two measures less than perfect. Some authors have suggested that corrections be applied to ABR thresholds to account for these differences. However, because there is no agreed upon universal standard, confusion regarding the use of corrections exists. Purpose: The primary purpose of this article is to review the reasoning behind and use of corr

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Rance, Gary, and Field Rickards. "Prediction of Hearing Threshold in Infants Using Auditory Steady-State Evoked Potentials." Journal of the American Academy of Audiology 13, no. 05 (2002): 236–45. http://dx.doi.org/10.1055/s-0040-1715967.

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This retrospective study examines the relationship between auditory steady-state evoked potential (ASSEP) thresholds determined in infancy and subsequently obtained behavioral hearing levels in children with normal hearing or varying degrees of sensorineural hearing loss. Overall, the results from 211 subjects showed that the two test techniques were highly correlated, with Pearson r values exceeding .95 at each of the audiometric test frequencies between 500 and 4000 Hz. Analysis of the findings for babies with significant hearing loss (moderate to profound levels) showed similar threshold re

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Mehta, Gunjan, Anuj Kumar Neupane, Abhishek Mistri, Hiral Joshi, and Nirmit Shah. "Comparative Study on Method of Threshold Estimation: Distortion Product Threshold Test versus Pure Tone Threshold Test." Annals of Otology and Neurotology 3, no. 02 (2020): 077–81. http://dx.doi.org/10.1055/s-0041-1724218.

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Abstract Introduction Distortion product otoacoustic emissions (DPOAEs) can be helpful in estimating the hearing thresholds by extrapolating the DPOAE input/output function with the help of scissor paradigm, and thus the following study aims at assessing its reliability by comparing DPOAE thresholds with those obtained by behavioral responses at pure tones on various frequencies. Materials and Methods Fifty participants having normal hearing sensitivity were included in the study. Pure tone (PT) audiometry was carried out on all participants to determine PT thresholds in both ears. DPOAE thres

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Taylor, Ryan C., Karin Akre, Walter Wilczynski, and Michael J. Ryan. "Behavioral and neural auditory thresholds in a frog." Current Zoology 65, no. 3 (2018): 333–41. http://dx.doi.org/10.1093/cz/zoy089.

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Anzai, Akiyuki, Marcus A. Bearse, Ralph D. Freeman, and Daqing Cai. "Contrast coding by cells in the cat's striate cortex: Monocular vs. binocular detection." Visual Neuroscience 12, no. 1 (1995): 77–93. http://dx.doi.org/10.1017/s0952523800007331.

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AbstractMany psychophysical studies of various visual tasks show that performance is generally better for binocular than for monocular observation. To investigate the physiological basis of this binocular advantage, we have recorded, under monocular and binocular stimulation, contrast response functions for single cells in the striate cortex of anesthetized and paralyzed cats. We applied receiver operating characteristic analysis to our data to obtain monocular and binocular neurometric functions for each cell. A contrast threshold and a slope were extracted from each neurometric function and

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Akhtar, Uzma S., Arturo Moleti, Renata Sisto, and Sumitrajit Dhar. "Long-latency component of stimulus frequency otoacoustic emissions: Relationship to behavioral measures." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A333. http://dx.doi.org/10.1121/10.0019046.

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Uncertainties regarding the generation mechanism and source of human stimulus frequency otoacoustic emissions (SFOAEs), as well as the possible generation of artifacts, have previously restricted the use of SFOAEs in clinical settings for assessing cochlear function. Over the years, advanced time-frequency analysis of SFOAEs, using models of SFOAE delays as a function of frequency, have been implemented in an effort to isolate the long-latency (LL) component of SFOAEs—improving the signal-to-noise ratio and the artifact rejection as noteworthy byproducts. In order to test the hypothesis that b

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Spagnoli, Scott D., and James C. Saunders. "Threshold Sensitivity and Frequency Selectivity Measured with Round Window Whole Nerve Action Potentials in the Awake, Restrained Chinchilla." Otolaryngology–Head and Neck Surgery 96, no. 1 (1987): 99–105. http://dx.doi.org/10.1177/019459988709600117.

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Chronic electrodes, placed on the round windows of four adult chinchillas, were used to measure whole-nerve action potential (AP) thresholds and tuning curves. The AP quiet thresholds were within 17 dB of thresholds measured by behavioral methods and within 3 dB of those measured by other evoked response procedures. The AP tuning curves, obtained by a simultaneous masking procedure, were also similar to previously measured tuning curves in the chinchilla. These results indicate that long-term indwelling electrodes can be successfully placed on the chinchilla round window and used to measure th

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Jafari, Zahra, Saeed Malayeri, Hassan Ashayeri, and Mahdi Azizabadi Farahani. "Adults with Auditory Neuropathy: Comparison of Auditory Steady-State Response and Pure-Tone Audiometry." Journal of the American Academy of Audiology 20, no. 10 (2009): 621–28. http://dx.doi.org/10.3766/jaaa.20.10.4.

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Background: The relation between the auditory steady-state response (ASSR) and behavioral audiometric thresholds requires further clarification in the case of adults with auditory neuropathy/auditory dys-synchrony (AN/AD). Purpose: The aim of this study was to compare pure-tone audiometric threshold (PTAT) and ASSR in adults with AN/AD. Study Sample: Sixteen adult participants (32 ears) with AN/AD, ranging in age from 14 to 34 years. Data Collection and Analysis: PTAT and ASSR with high-rate stimulus modulation were measured at four octave frequencies, 500, 1000, 2000, and 4000 Hz, in each ear

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Carter, Lyndal, Harvey Dillon, John Seymour, Mark Seeto, and Bram Van Dun. "Cortical Auditory-Evoked Potentials (CAEPs) in Adults in Response to Filtered Speech Stimuli." Journal of the American Academy of Audiology 24, no. 09 (2013): 807–22. http://dx.doi.org/10.3766/jaaa.24.9.5.

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Background: Previous studies have demonstrated that cortical auditory-evoked potentials (CAEPs) can be reliably elicited in response to speech stimuli in listeners wearing hearing aids. It is unclear, however, how close to the aided behavioral threshold (i.e., at what behavioral sensation level) a sound must be before a cortical response can reliably be detected. Purpose: The purpose of this study was to systematically examine the relationship between CAEP detection and the audibility of speech sounds (as measured behaviorally), when the listener is wearing a hearing aid fitted to prescriptive

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Musiek, Frank E., Robert Froke, and Jeffrey Weihing. "The Auditory P300 at or near Threshold." Journal of the American Academy of Audiology 16, no. 09 (2005): 698–707. http://dx.doi.org/10.3766/jaaa.16.9.7.

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Psychophysical and P300 (P3) thresholds and suprathreshold measures were obtained in 16 normal-hearing subjects. Subjects followed a classic oddball paradigm using 1000 (frequent) and 2000 Hz (rare) tones as stimuli. The P3 was obtained for all 16 subjects at or 5 dB above their behavioral threshold. The P3 was obtained more often at behavioral threshold and 5 dB SL than N1 and P2 late potentials. The P3 was larger in amplitude than either the N1 or the P2 at threshold and for 75 dB SPL stimuli. In comparing P3s obtained at threshold and for the 75 dB stimuli, significant effects were noted in

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Eddins, Ann Clock, and Joelle Redner Peterson. "Time-Intensity Trading in the Late Auditory Evoked Potential." Journal of Speech, Language, and Hearing Research 42, no. 3 (1999): 516–25. http://dx.doi.org/10.1044/jslhr.4203.516.

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The present study investigated physiological correlates of the time-intensity trading relationship in late components (N1, P2) of the auditory evoked potential. Late-potential and behavioral thresholds were estimated in five normal-hearing, young adult participants for 1000- and 4000-Hz tone bursts having durations of 8, 16, 32, 64, and 128 ms. The results showed that late-potential thresholds decreased by an average of 24 dB for 1000-Hz conditions and 18 dB for 4000-Hz conditions. Behavioral thresholds also improved by about 22 dB and 18 dB for 1000-Hz and 4000-Hz conditions, respectively. Th

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