PMID: 8600129Sep 1, 1995Paper

Auditory evoked brainstem and middle latency responses in Macaca mulatta and humans

Hearing Research
R E LaskyK E Hecox

Abstract

Early (ABRs) and middle (MLRs) surface-recorded auditory evoked potentials were compared in eight adult monkeys (Macaca mulatta) and eight adult humans. Responses whose probable generators were the cochlear nucleus and lateral lemniscus were of shorter latency and larger amplitude in monkeys. Relative to humans, ABR response latencies in monkeys were less affected by stimulus intensity, stimulus rate, and masker level. In contrast, monkey amplitudes were relatively more affected by those same stimulus parameters. The most prominent MLR wave was longer in latency and greater in amplitude in humans than the homologous wave in monkeys. The reduction in amplitude of that wave with increasing rate was greater for humans than monkeys. Temporal interactions (the effect of prior stimuli on the response to current stimulation) were investigated from a non-linear systems identification framework using maximum length sequences (MLSs). Both monkey and human auditory systems were second and probably third-order systems at the levels assessed. As the separations between the stimulus pulses decreased, evidence for temporal interactions became more prominent, reached a maximum, and then decreased with further decreases in stimulus pulse separa...Continue Reading

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Citations

Sep 1, 1995·Hearing Research·R E LaskyK E Hecox
Apr 5, 2000·Hearing Research·P Torre, C G Fowler
Jan 17, 2002·Neurotoxicology and Teratology·R E LaskyN Laughlin
Feb 28, 1998·The Journal of the Acoustical Society of America·R E Lasky
Sep 29, 2004·Neurotoxicology and Teratology·Mari S GolubCasey E Hogrefe
May 15, 2015·Journal of Neurophysiology·Chi-Wing NgGregg H Recanzone
Jul 16, 2005·The Journal of the Acoustical Society of America·James M HarteHenry J Rice
Dec 5, 2019·The Journal of the Acoustical Society of America·Jane A BurtonRamnarayan Ramachandran
Jan 5, 2002·Audiology : Official Organ of the International Society of Audiology·P TorreC G Fowler

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