Ultrasonic vocalizations in immature gerbils: emission rate and structural changes after neonatal exposure to androgen

Holman, S.D.; Seale, W. T. C.; Hutchison, J.B.

doi:10.1016/0031-9384(94)00237-y

Cited by 15 publications

(2 citation statements)

References 23 publications

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“…At the same time, seven USV call types were identified in pup short-tailed field voles Microtus agrestis [132]. Six USV call types were identified in pup Scotinomys [67] and in pup Mongolian gerbils [133,134]. In Peromyscus pups, the three identified USV call types were shared with adults but did not have clear boundaries between the types and could grade into one another [102].…”

Section: Discussionmentioning

confidence: 99%

Ultrasonic vocalization of pup and adult fat-tailed gerbils (Pachyuromys duprasi)

Zaytseva

Volodin

Ilchenko³

et al. 2019

PLoS ONE

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Ultrasonic vocalizations (USVs) of laboratory rodents indicate animal emotional arousal and may serve as models of human disorders. We analysed spectrographically USV calls of pup and adult fat-tailed gerbils Pachyuromys duprasi during 420-s tests, including isolation, touch and handling. Based on combination of six different USV syllable contour shapes and six different note compositions, we classified 782 USV syllables of 24 pups aged 5–10 days to 18 types and 232 syllables of 7 adults to 24 types. Pups and adults shared 16 of these 26 USV types. Percentages of USV syllables with certain contour shapes differed between pups and adults. The contour shape and note composition significantly affected most acoustic variables of USV syllables in either pups or adults. The 1-note USV syllables were most common in either pups or adults. Pup USV syllables were overall longer and higher-frequency than adult ones, reminiscent of the USV ontogenetic pathway of bats and distinctive to rats and mice. We discuss that the USV syllable types of fat-tailed gerbils were generally similar in contour shapes and note compositions with USV syllable types of mice and rats, what means that software developed for automated classifying of mice ultrasound might be easily adapted or re-tuned to gerbil USV calls. However, using fat-tailed gerbils as model for biomedical research including control of USV vocalization is only possible since 6 th day of pup life, because of the delayed emergence of USV calls in ontogeny of this species.

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Section: Discussionmentioning

confidence: 99%

Ultrasonic vocalization of pup and adult fat-tailed gerbils (Pachyuromys duprasi)

Zaytseva

Volodin

Ilchenko³

et al. 2019

PLoS ONE

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“…For USVs, a decrease of call rate [ 32 ] and mid-range frequency [ 33 ] with age was reported. Interestingly, three androgen-level dependent sex-specific call types were documented for pups older than 17 days [ 33 , 34 , 35 ]. In the closely related fat-tailed gerbil, USVs and ADVs were also reported for pups [ 17 , 36 , 37 ].…”

Section: Introductionmentioning

confidence: 99%

Encoding of Arousal and Physical Characteristics in Audible and Ultrasonic Vocalizations of Mongolian Gerbil Pups Testing Common Rules for Mammals

Silberstein,

Felmy,

Scheumann

2023

Animals

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In mammals, common rules for the encoding of arousal and physical characteristics of the sender are suggested based on a similar vocal production apparatus. In this study, we want to investigate to what extent vocalizations of developing Mongolian gerbil pups fulfill these rules. We recorded vocalizations of 28 Mongolian gerbil pups in four developmental stages using a separation paradigm, suggested to induce different arousal levels. For low arousal, a pup was placed in an arena isolated from its siblings and parents; for high arousal, the pup was additionally stressed through the simulation of a predator. An unsupervised cluster analysis revealed three call types: ultrasonic (USV), audible vocalizations (ADV), and transitions between both (USV-ADV). The USV and USV-ADV rate showed an age-dependent decrease, contrasting an age-dependent increase for ADVs. Vocal correlates for the encoding of arousal were found for USVs and of physical characteristics for USVs and ADVs. However, the pattern of encoding these cues differed between call types and only partly confirmed the common rules suggested for mammals. Our results show that divergent encoding patterns do not only differ between species but also between call types within a species, indicating that coding rules can be shaped by socio-ecological factors or call type specific production mechanisms.

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Vocal Signals of Sexual Motivation in Male and Female Rodents

Fernández-Vargas

2018

Curr Sex Health Rep

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Ultrasonic vocalizations in immature gerbils: emission rate and structural changes after neonatal exposure to androgen

Cited by 15 publications

References 23 publications

Ultrasonic vocalization of pup and adult fat-tailed gerbils (Pachyuromys duprasi)

Ultrasonic vocalization of pup and adult fat-tailed gerbils (Pachyuromys duprasi)

Encoding of Arousal and Physical Characteristics in Audible and Ultrasonic Vocalizations of Mongolian Gerbil Pups Testing Common Rules for Mammals

Vocal Signals of Sexual Motivation in Male and Female Rodents

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