Age-dependence of the neural auditory thresholds of albino and pigmented guinea pigs.
Short-latency brain-stem responses of albino and pigmented guinea pigs were examined for evidence of age-dependence of the auditory threshold. Both groups exhibited a loss of hearing correlated with age. Moreover, albinos had significantly lower auditory thresholds than pigmented guinea pigs of the corresponding age group. A further difference between the two groups lay in the degree of which sensitivity declined with age; hearing loss in albinos was only about half that in pigmented animals.
D000161:Acoustic Stimulation; D000375:Aging; D000818:Animals; D001309:Auditory Threshold / Q000502:physiology*; D001933:Brain Stem / Q000502:physiology; D005072:Evoked Potentials, Auditory; D006168:Guinea Pigs