Amanda M Rzucidlo

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With the exception of parturition and lactation, male California deer mice (Peromyscus californicus) exhibit the same parental responses toward offspring as conspecific females. A closely related species, Peromyscus maniculatus, however, rarely exhibits paternal responses. In the current study, a comparative species approach was used to assess paternal(More)
The hormones of pregnancy and lactation (e.g., estrogen, progesterone, and oxytocin) have been shown to modulate learning, memory, and the restructuring of brain areas not traditionally associated with maternal behavior. Given the impact of reproductive experience on plasticity of brain areas such as the hippocampus, kainic acid (KA) was used in the current(More)
Enriched environments are beneficial to neurobiological development; specifically, rodents exposed to complex, rather than standard laboratory, environments exhibit evidence of neuroplasticity and enhanced cognitive performance. In the present study, the nature of elements placed in the complex environment was investigated. Accordingly, rats (n = 8 per(More)
Effort-Based Reward (EBR) training strengthens associations between effort and rewards, leading to increased persistence in an unsolvable task when compared to control animals. EBR training involves placing animals in a test apparatus in which they are trained to dig in mounds to retrieve froot loop rewards (contingent group); these animals are compared to(More)
The mammalian brain has evolved in close synchrony with the natural environment; consequently, trends toward disengagement from natural environments in today's industrialized societies may compromise adaptive neural responses and lead to psychiatric illness. Investigations of rodents housed in enriched environments indicate enhanced neurobiological(More)
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