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Bartolommei P, Gasperini S, Bonacchi A, Manzo E, Cozzolino R. Multiple captures as indicator of social tolerance in a guild of terrestrial rodents. Mamm Biol 2018. [DOI: 10.1016/j.mambio.2018.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Bolton JL, Winland C, Ford B, Burbey A, Zewail-Foote M, Guarraci FA. Kin discrimination in prepubescent and adult Long–Evans rats. Behav Processes 2012; 90:415-9. [DOI: 10.1016/j.beproc.2012.04.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 07/27/2011] [Accepted: 04/16/2012] [Indexed: 11/28/2022]
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Green N, Early C, Beard L, Wilkins K. Multiple captures of fulvous harvest mice ( Reithrodontomys fulvescens) and northern pygmy mice ( Baiomys taylori): evidence for short-term co-traveling. CAN J ZOOL 2012. [DOI: 10.1139/z11-137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Multiple captures of small mammals (finding >1 animal in a single trap) are often used to infer pair-bonding activity in arvicoline and cricetine rodents. We analyzed data from a 2-year trapping study to determine whether fulvous harvest mice ( Reithrodontomys fulvescens J.A. Allen, 1894) and (or) northern pygmy mice (Baiomys taylori (Thomas, 1887)) travel in mixed-sex mated pairs. A significant majority of multiple capture events (MCEs) in R. fulvescens were mixed-sex, whereas sex composition of pairs in B. taylori did not differ from random. Multiple capture probability was significantly positively related to abundance and unrelated to sex ratio in both species. Multiple captures of B. taylori were more common in winter, suggesting that individuals may associate to huddle for warmth. Masses of singly captured and multiply captured individuals were not significantly different in either species, contraindicating trap bias. Only one co-captured mixed-sex pair was recaptured as a pair (in R. fulvescens) and several animals of both sexes in both species were co-captured with multiple individuals. We concluded that R. fulvescens co-travels with mates for variable lengths of time, but we found no evidence that multiple captures of B. taylori are related to reproductive behavior.
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Affiliation(s)
- N.S. Green
- Department of Biology, Baylor University, 1 Bear Place #97388, Waco, TX 76798, USA
| | - C.E. Early
- Department of Biology, University of Mary Hardin-Baylor, 900 College Street, UMHB Station Box 8432, Belton, TX 76513, USA
| | - L.K. Beard
- Department of Biology, Baylor University, 1 Bear Place #97388, Waco, TX 76798, USA
| | - K.T. Wilkins
- Graduate School and Department of Biology, Baylor University, 1 Bear Place #97388, Waco, TX 76798, USA
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Ganev IV, Solomon NG, Lucia KE, Keane B. Multiple Captures of Adult Prairie Voles are Correlated with Residency Status and Genetic Parentage. J Mammal 2009. [DOI: 10.1644/08-mamm-a-198r1.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Nituch LA, Schaefer JA, Maxwell CD. Fine-Scale Spatial Organization Reflects Genetic Structure in Sheep. Ethology 2008. [DOI: 10.1111/j.1439-0310.2008.01522.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Feldhamer GA, Rodman LB, Carter TC, Schauber EM. Multiple Captures of White-Footed Mice (Peromyscus Leucopus): Evidence for Social Structure? AMERICAN MIDLAND NATURALIST 2008. [DOI: 10.1674/0003-0031(2008)160[171:mcowmp]2.0.co;2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Social relationships in Mastomys huberti as deduced from field and genetic analyses of multiple capture data. MAMMALIA 2008. [DOI: 10.1515/mamm.2008.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Panksepp JB, Jochman KA, Kim JU, Koy JJ, Wilson ED, Chen Q, Wilson CR, Lahvis GP. Affiliative behavior, ultrasonic communication and social reward are influenced by genetic variation in adolescent mice. PLoS One 2007; 2:e351. [PMID: 17406675 PMCID: PMC1831495 DOI: 10.1371/journal.pone.0000351] [Citation(s) in RCA: 217] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2007] [Accepted: 03/13/2007] [Indexed: 11/18/2022] Open
Abstract
Social approach is crucial for establishing relationships among individuals. In rodents, social approach has been studied primarily within the context of behavioral phenomena related to sexual reproduction, such as mating, territory defense and parental care. However, many forms of social interaction occur before the onset of reproductive maturity, which suggests that some processes underlying social approach among juvenile animals are probably distinct from those in adults. We conducted a longitudinal study of social investigation (SI) in mice from two inbred strains to assess the extent to which genetic factors influence the motivation for young mice to approach one another. Early-adolescent C57BL/6J (B6) mice, tested 4–6 days after weaning, investigated former cage mates to a greater degree than BALB/cJ (BALB) mice, irrespective of the sex composition within an interacting pair. This strain difference was not due to variation in maternal care, the phenotypic characteristics of stimulus mice or sensitivity to the length of isolation prior to testing, nor was it attributable to a general difference in appetitive motivation. Ultrasonic vocalization (USV) production was positively correlated with the SI responses of mice from both strains. Interestingly, several USV characteristics segregated with the genetic background of young mice, including a higher average frequency and shorter duration for the USVs emitted by B6 mice. An assessment of conditioned place preference responses indicated that there was a strain-dependent difference in the rewarding nature of social contact. As adolescent mice aged, SI responses gradually became less sensitive to genetic background and more responsive to the particular sex of individuals within an interacting pair. We have thus identified a specific, genetic influence on the motivation of early-adolescent mice to approach one another. Consistent with classical theories of motivation, which propose a functional relationship between behavioral approach and reward, our findings indicate that reward is a proximal mechanism through which genetic factors affect social motivation during early adolescence.
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Affiliation(s)
- Jules B. Panksepp
- Neuroscience Training Program, University of Wisconsin, Madison, Wisconsin, United States of America
- * To whom correspondence should be addressed. E-mail: (JP); (GL)
| | - Kimberly A. Jochman
- Department of Surgery, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Joseph U. Kim
- Department of Surgery, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Jamie J. Koy
- Undergraduate Program in Religious Studies, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Ellie D. Wilson
- Undergraduate Program in Biological Sciences, University of Wisconsin, Madison, Wisconsin, United States of America
| | - QiLiang Chen
- Undergraduate Program in Biological Sciences, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Clarinda R. Wilson
- Undergraduate Program in Biological Sciences, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Garet P. Lahvis
- Department of Surgery, University of Wisconsin, Madison, Wisconsin, United States of America
- Waisman Center for Developmental Disabilities, University of Wisconsin, Madison, Wisconsin, United States of America
- * To whom correspondence should be addressed. E-mail: (JP); (GL)
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Abstract
Mammalian social relationships, such as mother–offspring attachments and pair bonds, can directly affect reproductive output. However, conspecifics approach one another in a comparatively broad range of contexts, so conceivably there are motivations for social congregation other than those underlying reproduction, parental care or territoriality. Here, we show that reward mediated by social contact is a fundamental aspect of juvenile mouse sociality. Employing a novel social conditioned place preference (SCPP) procedure, we demonstrate that social proximity is rewarding for juvenile mice from three inbred strains (A/J, C57BL/6J and DBA/2J), while mice from a fourth strain (BALB/cJ) are much less responsive to social contact. Importantly, this strain-dependent difference was not related to phenotypic variability in exploratory behavior or contextual learning nor influenced by the genetic background associated with maternal care or social conditioning. Furthermore, the SCPP phenotype was expressed early in development (postnatal day 25) and did not require a specific sex composition within the conditioning group. Finally, SCPP responses resulted from an interaction between two specifiable processes: one component of the interaction facilitated approach toward environments that were associated with social salience, whereas a second component mediated avoidance of environmental cues that predicted social isolation. We have thus identified a genetically prescribed process that can attribute value onto conditions predicting a general form of social contact. To our knowledge, this is the first definitive evidence to show that genetic variation can influence a form of social valuation not directly related to a reproductive behavior.
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Affiliation(s)
| | - G P Lahvis
- Department of Surgery and Waisman Center for Developmental Disabilities, University of Wisconsin – MadisonWI, USA
- Corresponding author: G. P. Lahvis, Waisman Center University of Wisconsin – Madison, 1500 Highland Ave. Madison, WI 53705, USA. E-mail:
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