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Votre centre de documentation fermera de 12h30 à 13h ce vendredi 28 juin et fermera à 14h30.
Dès ce lundi 1er juillet jusqu'au mercredi 10 juillet l'horaire du centre de documentation sera adapté :
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Mercredi 3 juillet : de 9h à 12h et de 12h30 à 15h15
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Auteur Alexander McLeod |
Documents disponibles écrits par cet auteur
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An assessment of ambient noise and other environmental variables in a nonhuman primate housing facility / Alexander McLeod in LabAnimal, Vol.22 N°9 (septembre 2022)
[article]
Titre : An assessment of ambient noise and other environmental variables in a nonhuman primate housing facility Type de document : texte imprimé Auteurs : Alexander McLeod ; Jane Burton ; Chase Mackey Année de publication : 2022 Article en page(s) : p. 10-20 Langues : Anglais (eng) Résumé : Acoustic noise and other environmental variables represent potential confounds for animal research. Of relevance to auditory research, sustained high levels of ambient noise may modify hearing sensitivity and decrease well-being among laboratory animals. The present study was conducted to assess environmental conditions in an animal facility that houses nonhuman primates used for auditory research at the Vanderbilt University Medical Center. Sound levels, vibration, temperature, humidity and luminance were recorded using an environmental monitoring device placed inside of an empty cage in a macaque housing room. Recordings lasted 1 week each, at three different locations within the room. Vibration, temperature, humidity and luminance all varied within recommended levels for nonhuman primates, with one exception of low luminance levels in the bottom cage location. Sound levels at each cage location were characterized by a low baseline of 58–62 dB sound pressure level, with transient peaks up to 109 dB sound pressure level. Sound levels differed significantly across locations, but only by about 1.5 dB. The transient peaks beyond recommended sound levels reflected a very low noise dose, but exceeded startle-inducing levels, which could elicit stress responses. Based on these findings, ambient noise levels in the housing rooms in this primate facility are within acceptable levels and unlikely to contribute to hearing deficits in the nonhuman primates. Our results establish normative values for environmental conditions in a primate facility, can be used to inform best practices for nonhuman primate research and care, and form a baseline for future studies of aging and chronic noise exposure. Permalink : ./index.php?lvl=notice_display&id=105636
in LabAnimal > Vol.22 N°9 (septembre 2022) . - p. 10-20[article] An assessment of ambient noise and other environmental variables in a nonhuman primate housing facility [texte imprimé] / Alexander McLeod ; Jane Burton ; Chase Mackey . - 2022 . - p. 10-20.
Langues : Anglais (eng)
in LabAnimal > Vol.22 N°9 (septembre 2022) . - p. 10-20
Résumé : Acoustic noise and other environmental variables represent potential confounds for animal research. Of relevance to auditory research, sustained high levels of ambient noise may modify hearing sensitivity and decrease well-being among laboratory animals. The present study was conducted to assess environmental conditions in an animal facility that houses nonhuman primates used for auditory research at the Vanderbilt University Medical Center. Sound levels, vibration, temperature, humidity and luminance were recorded using an environmental monitoring device placed inside of an empty cage in a macaque housing room. Recordings lasted 1 week each, at three different locations within the room. Vibration, temperature, humidity and luminance all varied within recommended levels for nonhuman primates, with one exception of low luminance levels in the bottom cage location. Sound levels at each cage location were characterized by a low baseline of 58–62 dB sound pressure level, with transient peaks up to 109 dB sound pressure level. Sound levels differed significantly across locations, but only by about 1.5 dB. The transient peaks beyond recommended sound levels reflected a very low noise dose, but exceeded startle-inducing levels, which could elicit stress responses. Based on these findings, ambient noise levels in the housing rooms in this primate facility are within acceptable levels and unlikely to contribute to hearing deficits in the nonhuman primates. Our results establish normative values for environmental conditions in a primate facility, can be used to inform best practices for nonhuman primate research and care, and form a baseline for future studies of aging and chronic noise exposure. Permalink : ./index.php?lvl=notice_display&id=105636 Réservation
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