A5018644793- Stress Responses and Cortisol
- Neuroendocrine regulation and behavior
- Circadian rhythm and melatonin
- Adipose Tissue and Metabolism
- Tryptophan and brain disorders
- Memory and Neural Mechanisms
- Primate Behavior and Ecology
- Neuroscience, Education and Cognitive Function
- Hypothalamic control of reproductive hormones
- Maternal Mental Health During Pregnancy and Postpartum
- Human-Animal Interaction Studies
- Functional Brain Connectivity Studies
- Animal Behavior and Welfare Studies
- Birth, Development, and Health
- Sociology and Education Studies
- Neural dynamics and brain function
- Neurogenesis and neuroplasticity mechanisms
- Neurotransmitter Receptor Influence on Behavior
- Neuroscience and Neuropharmacology Research
- Neuroinflammation and Neurodegeneration Mechanisms
- Pharmacological Effects and Assays
- Child and Adolescent Psychosocial and Emotional Development
- Infant Development and Preterm Care
- Regulation of Appetite and Obesity
- Sexual Differentiation and Disorders
University of Idaho
2024
University of Richmond
1997-2023
Ashland (United States)
2001-2016
Randolph–Macon College
2005-2016
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Carnivorans are a diverse group of mammals that includes carnivorous, omnivorous and herbivorous, domesticated wild species, with large range brain sizes. Carnivory is one several factors expected to be cognitively demanding for carnivorans due requirement outsmart larger prey. On the other hand, carnivoran species have high hunting costs unreliable feeding patterns, which, given metabolic cost neurons, might put them at risk constraints regarding how many neurons they can afford, especially...
From 5 to 22 months of age, cognitive and emotional responses nulliparous, primiparous, multiparous rats were assessed using a dry land maze (DLM) an elevated plus-maze (EPM) at 4-month intervals. Parous exhibited improved spatial memory in the probe competitive versions DLM, more exploration EPM novel stimulus test relative nulliparous females. The females, however, outperformed parous during DLM visual cue 17 age. At 23 months, no differences stressed corticosterone levels or Golgi-stained...
Because the white matter of cerebral cortex contains axons that connect distant neurons in cortical gray matter, relationship between volumes 2 compartments is key for information transmission brain. It has been suggested volume scales universally as a function across mammalian species, would be expected if global principle wiring minimization applied. Using systematic analysis several clades, here we show does not scale with mammals and optimized minimization. Instead, ratio predicted by...
Objective. To discuss the brain and behavioral modifications that accompany onset of motherhood. Design. Following a consideration evolutionary significance emergence nurturing caring responses in mammals, thorough analysis neurobiological thought to maintain maternal both rodent models humans is presented. Results. The dramatic changes accompanying parental provide unique model for investigating dynamic nature response changing demands. Conclusions. As conveyed throughout this tutorial,...
Rodent paternal models provide unique opportunities to investigate the emergence of affiliative social behavior in mammals. Using biparental and uniparental <i>Peromyscus </i>species (<i>californicus</i> <i>maniculatus</i>, respectively) we assessed responsiveness by exposing males biological offspring, unrelated conspecific pups, or familiar brothers following a 24-hour separation. The putative circuit investigated included brain areas involved...
Effective coping strategies build resilience against stress-induced pathology. In the current study, young male rats were categorized as active, passive, or variable copers by observing their responses to being gently restrained on backs (i.e., back-test). The subsequently exposed chronic unpredictable stress, which included several ethologically relevant stressors such predator odors and calls, for approximately three weeks. During this time, copers, defined that demonstrated a opposed...
Both social and physical stimuli contribute to the complexity of an animal's environment, influencing biobehavioral responses subsequent challenges. In current study, male Long-Evans rats were randomly assigned isolate (ISO), control (SC) or enriched (SE) group (n = 8 per group). The SC SE conditions housed with exposed enrichment that natural as opposed manufactured (e.g., hollowed out log instead plastic hiding place). On three occasions during their 40-day environment exposure, night/dark...