2006
DOI: 10.1016/j.applanim.2005.08.006
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Spontaneous stereotypy and environmental enrichment in deer mice (Peromyscus maniculatus): Reversibility of experience

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Cited by 53 publications
(40 citation statements)
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“…The animal's developmental stage when enrichment is introduced/removed might influence whether animals (a) are motivated to interact with, and thus derive benefit therefrom (c.f. Tilly et al, 2010), and/or (b) whether environmentally induced changes to CNS structure and function are possible, since the benefits of enrichment on SB may be limited to, or be more effective, during 'sensitive periods' which typically occur earlier rather than later in ontogeny (Cooper et al, 1996;Hadley et al, 2006); (2) The nature and degree of enrichment provided, which to date has varied from specific or modest additions to standard cages, through to ambitious "everything but the kitchen-sink" additions of multiple enrichments or even attempts to approximate natural conditions. In our study and the studies of Lewis and colleagues (e.g.…”
Section: Discussionmentioning
confidence: 99%
“…The animal's developmental stage when enrichment is introduced/removed might influence whether animals (a) are motivated to interact with, and thus derive benefit therefrom (c.f. Tilly et al, 2010), and/or (b) whether environmentally induced changes to CNS structure and function are possible, since the benefits of enrichment on SB may be limited to, or be more effective, during 'sensitive periods' which typically occur earlier rather than later in ontogeny (Cooper et al, 1996;Hadley et al, 2006); (2) The nature and degree of enrichment provided, which to date has varied from specific or modest additions to standard cages, through to ambitious "everything but the kitchen-sink" additions of multiple enrichments or even attempts to approximate natural conditions. In our study and the studies of Lewis and colleagues (e.g.…”
Section: Discussionmentioning
confidence: 99%
“…The beneficial effects of added enrichments vary in magnitude: different enrichments vary in efficacy [47,49,50] and individuals vary in their responses, e.g. elderly animals' stereotypic behaviours are often resistant to enrichment [4,14,54]. However, the direction of effects is largely consistent: stereotypic behaviours are almost always attenuated by the addition of enrichments, and sometimes even abolished altogether.…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, to complicate the picture further, in yet other cases environmental enrichment can appear to protect animals against later developing stereotypic behaviour, even after its removal. Thus in many mammalian species, individuals caught from the wild and caged as adults are less stereotypic than captive-born conspecifics (reviewed [24]); while bank voles (Clethrionomys glareolus) and deer mice (Peromyscus maniculatus) reared in large, enriched cages remain less stereotypic when transferred to standard cages than conspecifics housed in such conditions all their lives [14,34,38]. Thus removing enrichments has inconsistent effects, variously increasing or decreasing stereotypic behaviour relative to animals exposed to life-long barren housing.…”
Section: Introductionmentioning
confidence: 99%
“…Rodents with anhedonia, as can be induced by long-term impoverished caging [26] and also varies with strain [27] may also fail to show much interaction with enrichments that to other rodents act as valued incentives. Overall, variation between rodents in neophobia and anhedonia may thus help explain why not just strain, but also sex, age and individual characteristics can influence experimental outcomes, even when enrichments are carefully standardized [28][29][30][31][32][33][34][35]. Here, we therefore used individual variation in responses to standardized enrichments to conduct preliminary tests of the hypotheses that neophobia and anhedonia affect the extent to which mice interact with environmental enrichments.…”
mentioning
confidence: 99%