Frequency specific susceptibility to acoustic trauma in the budgerigar (Melopsittacus undulatus)

Eri Hashino, Masahiro Sokabe, Kensaku Miyamoto

Research output: Contribution to journalLetter

24 Scopus citations

Abstract

The effects of intense noise exposure on hearing in the budgerigar were examined by behavioral audiometry. After binaural exposure to an intense broadband noise, auditory threshold shifts (TS) of the birds were continuously measured at frequencies between 0.125 and 8 kHz using an avoidance conditioning technique. Temporary threshold shifts (TTS) were observed at frequencies higher than 1.5 kHz and considerable permanent threshold shifts (PTS) were observed at frequencies below 1 kHz. This pattern of threshold shifts is contrary to that observed in mammals.

Original languageEnglish (US)
Pages (from-to)2450-2453
Number of pages4
JournalJournal of the Acoustical Society of America
Volume83
Issue number6
DOIs
StatePublished - Jun 1988
Externally publishedYes

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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