Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Collymore, C., Lawrence, C., Lieggi, C. 2014. Enrichment for laboratory zebrafish (Danio rerio). Laboratory Animal Science Professional 2(3) (September), 51-54.

This article discusses how behavioral management, enrichment structures, diet, and light cycle can be used to help improve the welfare of zebrafish.

Read more about Collymore, C., Lawrence, C., Lieggi, C. 2014. Enrichment for laboratory zebrafish (Danio rerio). Laboratory Animal Science Professional 2(3) (September), 51-54.

O'Connor, A. M., Burton, T. J., Leamey, C. A. et al. 2014. The use of the puzzle box as a means of assessing the efficacy of environmental enrichment. JoVE (Journal of Visualized Experiments) 94, e52225.

Environmental enrichment can dramatically influence the development and function of neural circuits. Further, enrichment has been shown to successfully delay the onset of symptoms in models of Huntington's disease, suggesting environmental factors can evoke a...

Read more about O'Connor, A. M., Burton, T. J., Leamey, C. A. et al. 2014. The use of the puzzle box as a means of assessing the efficacy of environmental enrichment. JoVE (Journal of Visualized Experiments) 94, e52225.

Sharp, J., Azar, T., Lawson, D. 2014. Effects of a complex housing environment on heart rate and blood pressure of rats at rest and after stressful challenges. JAALAS 53(1), 52-60.

Housing enrichment for rodents continues to be a discussion topic within the animal care community. The objective of this study was to determine the extent to which a complex housing environment affects heart rate, blood...

Read more about Sharp, J., Azar, T., Lawson, D. 2014. Effects of a complex housing environment on heart rate and blood pressure of rats at rest and after stressful challenges. JAALAS 53(1), 52-60.

Monteiro, B. M., Moreira, F. A., Massensini, A. R. et al. 2014. Enriched environment increases neurogenesis and improves social memory persistence in socially isolated adult mice. Hippocampus 24(2), 239-248.

Social memory consists of the information necessary to identify and recognize cospecifics and is essential to many forms of social interaction. Social memory persistence is strongly modulated by the animal's experiences. We have shown in...

Read more about Monteiro, B. M., Moreira, F. A., Massensini, A. R. et al. 2014. Enriched environment increases neurogenesis and improves social memory persistence in socially isolated adult mice. Hippocampus 24(2), 239-248.

Hori, M., Yamada, K., Ohnishi, J. et al. 2014. Tickling during adolescence alters fear-related and cognitive behaviors in rats after prolonged isolation. Physiology & Behavior 131, 62-67.

Social interactions during adolescence are important especially for neuronal development and behavior. We recently showed that positive emotions induced by repeated tickling could modulate fear-related behaviors and sympatho-adrenal stress responses. In the present study, we...

Read more about Hori, M., Yamada, K., Ohnishi, J. et al. 2014. Tickling during adolescence alters fear-related and cognitive behaviors in rats after prolonged isolation. Physiology & Behavior 131, 62-67.

Grippo, A. J., Ihm, E., Wardwell, J. et al. 2014. The effects of environmental enrichment on depressive and anxiety-relevant behaviors in socially isolated prairie voles. Psychosomatic Medicine 76(4), 277-284.

Social isolation is associated with depression, anxiety and negative health outcomes. Environmental enrichment, including environmental and cognitive stimulation with inanimate objects and opportunities for physical exercise, may be an effective strategy to include in treatment...

Read more about Grippo, A. J., Ihm, E., Wardwell, J. et al. 2014. The effects of environmental enrichment on depressive and anxiety-relevant behaviors in socially isolated prairie voles. Psychosomatic Medicine 76(4), 277-284.

Gregoire, C., Bonenfant, D., Le Nguyen, A. et al. 2014. Untangling the influences of voluntary running, environmental complexity, social housing and stress on adult hippocampal neurogenesis. PLOS ONE 9(1), e86237.

Environmental enrichment (EE) exerts powerful effects on brain physiology, and is widely used as an experimental and therapeutic tool. Typical EE paradigms are multifactorial, incorporating elements of physical exercise, environmental complexity, social interactions and stress...

Read more about Gregoire, C., Bonenfant, D., Le Nguyen, A. et al. 2014. Untangling the influences of voluntary running, environmental complexity, social housing and stress on adult hippocampal neurogenesis. PLOS ONE 9(1), e86237.

Febinger, H.Y., George, A., Priestley, J. et al. 2014. Effects of housing condition and cage change on characteristics of sleep in mice. JAALAS 53(1), 29-37.

Although human subjects are widely used to study sleep and sleep disorders, animals have been invaluable in developing our understanding of the physiology of sleep and underlying mechanisms of sleep disorders. Environmental stimuli are likely...

Read more about Febinger, H.Y., George, A., Priestley, J. et al. 2014. Effects of housing condition and cage change on characteristics of sleep in mice. JAALAS 53(1), 29-37.

Doulames, V., Lee, S., Shea, T. B. 2014. Environmental enrichment and social interaction improve cognitive function and decrease reactive oxidative species in normal adult mice. International Journal of Neuroscience 124(5), 369-376.

Environmental stimulation and increased social interactions stimulate cognitive performance, while decrease in these parameters can exacerbate cognitive decline as a function of illness, injury, or age. We examined the impact of environmental stimulation and social...

Read more about Doulames, V., Lee, S., Shea, T. B. 2014. Environmental enrichment and social interaction improve cognitive function and decrease reactive oxidative species in normal adult mice. International Journal of Neuroscience 124(5), 369-376.

Burlingame, L. A., Lofgren, J. L. 2014. Presence of nesting material does not prevent ability to accurately identify sick or de

Whether nesting material assists or hinders the ability to identify sick mice during routine health check is a widely debated topic. Currently, our large and diverse academic research institution is exploring the possibility of providing...

Read more about Burlingame, L. A., Lofgren, J. L. 2014. Presence of nesting material does not prevent ability to accurately identify sick or de

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