Open AccessBrainstem Auditory‐Evoked Potentials in Holstein Cows
Author(s) -
Strain George M.,
Olcott Bruce M.,
Thompson David R.,
Graham Margaret C.
Publication year - 1989
Publication title -
journal of veterinary internal medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.356
H-Index - 103
eISSN - 1939-1676
pISSN - 0891-6640
DOI - 10.1111/j.1939-1676.1989.tb03090.x
Subject(s) - medicine , brainstem , audiology , auditory brainstem response , auditory pathways , neuroscience , hearing loss , biology
Brainstem auditory‐evoked potentials (BAEP) were recorded from 29 Holstein cows in a typical clinical setting. The latencies of five positive peaks in the BAEP were measured, and latency‐intensity functions were determined. The BAEP was similar to that reported in humans, dogs, horses, and other species. The responses were reproducible for each cow, with low variability between cows. Four peaks (I, II, III, V) were present in all recordings, and a fifth (IV) was present infrequently. All peak latencies decreased as click‐stimulus intensity increased. The threshold for detection of the BAEP was higher than expected for the cow compared with the horse.