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Discrimination of partial from whole ultrasonic vocalizations using a go/no-go task in mice.

Authors
  • Holfoth, David P
  • Neilans, Erikson G
  • Dent, Micheal L
Type
Published Article
Journal
The Journal of the Acoustical Society of America
Publication Date
Dec 01, 2014
Volume
136
Issue
6
Pages
3401–3401
Identifiers
DOI: 10.1121/1.4900564
PMID: 25480084
Source
Medline
License
Unknown

Abstract

Mice are a commonly used model in hearing research, yet little is known about how they perceive conspecific ultrasonic vocalizations (USVs). Humans and birds can distinguish partial versions of a communication signal, and discrimination is superior when the beginning of the signal is present compared to the end of the signal. Since these effects occur in both humans and birds, it was hypothesized that mice would display similar facilitative effects with the initial portions of their USVs. Laboratory mice were tested on a discrimination task using operant conditioning procedures. The mice were required to discriminate incomplete versions of a USV target from a repeating background containing the whole USV. The results showed that the mice had difficulty discriminating incomplete USVs from whole USVs, especially when the beginning of the USVs were presented. This finding suggests that the mice perceive the initial portions of a USV as more similar to the whole USV than the latter parts of the USV, similar to results from humans and birds.

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