Search Results - "Heimovics, Sarah A."

Measurement of steroid concentrations in brain tissue: methodological considerations by Taves, Matthew D, Ma, Chunqi, Heimovics, Sarah A, Saldanha, Colin J, Soma, Kiran K

“…It is well recognized that steroids are synthesized de novo in the brain (neurosteroids). In addition, steroids circulating in the blood enter the brain…”
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Rapid Effects of Estradiol on Aggression in Birds and Mice: The Fast and the Furious by Heimovics, Sarah A., Trainor, Brian C., Soma, Kiran K.

“…Across invertebrates and vertebrates, steroids are potent signaling molecules that affect nearly every cell in the organism, including cells of the nervous…”
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Distinct patterns of activity within columns of the periaqueductal gray are associated with functionally distinct birdsongs by Asogwa, Chinweike N., Zhao, Changjiu, Polzin, Brandon J., Maksimoski, Alyse N., Heimovics, Sarah A., Riters, Lauren V.

“…Male songbirds produce female‐directed songs in spring that convey a state of sexual motivation. Many songbirds also sing in fall flocks in…”
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Non-invasive administration of 17β-estradiol rapidly increases aggressive behavior in non-breeding, but not breeding, male song sparrows by Heimovics, Sarah A., Ferris, Jennifer K., Soma, Kiran K.

“…17β-Estradiol (E2) acts in the brain via genomic and non-genomic mechanisms to influence physiology and behavior. There is seasonal plasticity in the…”
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Rapid effects of 17β-estradiol on aggressive behavior in songbirds: Environmental and genetic influences by Heimovics, Sarah A., Merritt, Jennifer R., Jalabert, Cecilia, Ma, Chunqi, Maney, Donna L., Soma, Kiran K.

“…Contribution to Special Issue on Fast effects of steroids. 17β-estradiol (E2) has numerous rapid effects on the brain and behavior. This review focuses on the…”
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Immunolabeling Provides Evidence for Subregions in the Songbird Nucleus Accumbens and Suggests a Context-Dependent Role in Song in Male European Starlings (Sturnus vulgaris) by Polzin, Brandon J, Heimovics, Sarah A, Riters, Lauren V

“…Birdsong is well known for its role in mate attraction during the breeding season. However, many birds, including European starlings (Sturnus vulgaris), also…”
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Competitive ability during mate competition relates to unique patterns of dopamine-related gene expression in the social decision-making network of male zebra finches by Eswine, Stephanie L., Pontinen, Jill K., Heimovics, Sarah A.

“…•Male zebra finch dyads will aggressively compete for access to a potential mate.•Within stable same-sex dyads, males exhibit either high or low competitive…”
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Rapid and Widespread Effects of 17β-Estradiol on Intracellular Signaling in the Male Songbird Brain: A Seasonal Comparison by Heimovics, Sarah A, Prior, Nora H, Maddison, Chris J, Soma, Kiran K

“…Across vertebrate species, 17β-estradiol (E2) acts on the brain via both genomic and nongenomic mechanisms to influence neuronal physiology and behavior…”
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Evidence that dopamine within motivation and song control brain regions regulates birdsong context-dependently by Heimovics, Sarah A, Riters, Lauren V

“…Abstract Vocal communication is critical for successful social interactions among conspecifics, but little is known about how the brain regulates…”
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Effects of water restriction on reproductive physiology and affiliative behavior in an opportunistically-breeding and monogamous songbird, the zebra finch by Prior, Nora H., Heimovics, Sarah A., Soma, Kiran K.

“…Wild zebra finches form long-term monogamous pair-bonds that are actively maintained year-round, even when not in breeding condition. These desert finches are…”
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Individual differences in the motivation to communicate relate to levels of midbrain and striatal catecholamine markers in male European starlings by Heimovics, Sarah A., Salvante, Katrina G., Sockman, Keith W., Riters, Lauren V.

“…Individuals display dramatic differences in social communication even within similar social contexts. Across vertebrates dopaminergic projections from the…”
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Rapid Effects of Aggressive Interactions on Aromatase Activity and Oestradiol in Discrete Brain Regions of Wild Male White-Crowned Sparrows by Charlier, T. D., Newman, A. E. M., Heimovics, S. A., Po, K. W. L., Saldanha, C. J., Soma, K. K.

“…Testosterone is critical for the activation of aggressive behaviours. In many vertebrate species, circulating testosterone levels rapidly increase after…”
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D1-like dopamine receptor density in nuclei involved in social behavior correlates with song in a context-dependent fashion in male European starlings by Heimovics, S.A, Cornil, C.A, Ball, G.F, Riters, L.V

“…Abstract Research in songbirds shows that singing behavior is regulated by both brain areas involved in vocal behavior as well as those involved in social…”
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Breeding-context-dependent relationships between song and cFOS labeling within social behavior brain regions in male European starlings ( Sturnus vulgaris) by Heimovics, Sarah A., Riters, Lauren V.

“…Male European starlings ( Sturnus vulgaris) sing throughout the year, but the social factors that motivate singing behavior differ depending upon the context…”
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ZENK labeling within social behavior brain regions reveals breeding context-dependent patterns of neural activity associated with song in male European starlings ( Sturnus vulgaris) by Heimovics, Sarah A., Riters, Lauren V.

“…In songbirds, song learning and production are regulated by the song control system. How the rest of the brain interacts with song nuclei to ensure that song…”
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Non-invasive administration of 17[beta]-estradiol rapidly increases aggressive behavior in non-breeding, but not breeding, male song sparrows by Heimovics, Sarah A, Ferris, Jennifer K, Soma, Kiran K

“…17[beta]-Estradiol (E2 ) acts in the brain via genomic and non-genomic mechanisms to influence physiology and behavior. There is seasonal plasticity in the…”
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Rapid Effects of Estradiol on Aggression in Birds and Mice: The Fast and the Furious: Fig. 1 by Heimovics, Sarah A., Trainor, Brian C., Soma, Kiran K.

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Immediate early gene activity in song control nuclei and brain areas regulating motivation relates positively to singing behavior during, but not outside of, a breeding context by Heimovics, Sarah A., Riters, Lauren V.

“…In some species, such as songbirds, much is known about how the brain regulates vocal learning, production, and perception. What remains a mystery is what…”
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Seasonal and individual variation in singing behavior correlates with alpha 2-noradrenergic receptor density in brain regions implicated in song, sexual, and social behavior by Heimovics, S.A, Cornil, C.A, Ellis, J.M.S, Ball, G.F, Riters, L.V

“…Abstract In seasonally breeding male songbirds, both the function of song and the stimuli that elicit singing behavior change seasonally. The catecholamine…”
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Journal of Neuroendocrinology by Charlier, Thierry, Newman, Amy EM, Heimovics, Sarah A, Po, Kelvin WL, Saldanha, Colin J, Soma, Kiran K

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