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Music and Noise Exposure Increases Immobile Timein the Forced Swim Task in Male, but not Female, Rats

Author

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  • Emily Hensleigh Engel S
  • Laurel M Pritchard

    (Department of Psychology, University of Nevada Las Vegas, USA)

Abstract

Music exposure in development can lead to long-lasting changes in behavior in adult animals. Both music and noise can additionally impact physiology and behavior in adult animals. Here, we aimed to determine whether music or noise exposure in adult male and female rats impacted performance in the forced swim task. Adult Long-Evans rats (PND 60) were first habituated to a sound-attenuated chamber, then exposed to one of four stimulus conditions for 75 minutes per day for seven days. The stimulus conditions were control (speakers were turned on but no stimulus was present), music (The Beatles Revolver and Magical Mystery Tour), fast music (same music altered to increase tempo by 100%), and noise (broad-band noise containing all frequencies represented in the music stimuli ~1-20kHz). One day after the last stimulus exposure, rats underwent two days of forced swim test. Results revealed males spent significantly more time immobile and less time swimming after exposure to music, fast music, and noise relative to control. There were no differences between groups found in females. These results suggest auditory stimuli acted as stressors and increased depressive-like behaviors in male rats. These findings are relevant to laboratory animal care protocols, as noise exposure may alter behavioral findings.

Suggested Citation

  • Emily Hensleigh Engel S & Laurel M Pritchard, 2017. "Music and Noise Exposure Increases Immobile Timein the Forced Swim Task in Male, but not Female, Rats," Open Access Journal of Neurology & Neurosurgery, Juniper Publishers Inc., vol. 4(1), pages 14-17, June.
    • Handle: RePEc:adp:joajnn:v:4:y:2017:i:1:p:14-17
    DOI: 10.19080/OAJNN.2017.04.555629
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