Browsing by Author "Wingfield, John C."
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Quirici, Verónica; Venegas, Cristóbal I.; González Gómez, Paulina L.; Castaño Villa, Gabriel J.; Wingfield, John C.; Vásquez Salfate, Rodrigo (Elsevier, 2014)Glucocorticoids are essential for life and their secretion is regulated by the hypothalamic–pituitary–adrenal axis (HPA). The HPA axis is often divided into two components: baseline glucocorticoids levels and stress ...
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Wingfield, John C.; Meddle, Simone L.; Moore, Ignacio; Busch, Shallin; Wacker, Douglas; Lynn, Sharon; Clark, Aaron; Vásquez Salfate, Rodrigo; Addis, Elizabeth (Springer, 2007)Northern populations of the White-crowned Sparrow, Zonotrichia leucophrys, show varying degrees of social modulation of testosterone. In general, males of midlatitude breeding and multiple-brooded populations show transient ...
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Wingfield, John C.; Moore, Ignacio T.; Vásquez Salfate, Rodrigo; Sabat Kirkwood, Alejandro Pablo; Busch, Shallin; Clark, Aaron; Addis, Elizabeth; Prado, Federico; Wada, Haruka (The Neotropical Ornithological Society, 2008)How animals respond to perturbations of the environment is relevant to the effects of global climate change and human disturbance. The physiological mechanisms underlying facultative responses to unpredictable perturbations ...
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Quispe, René; Villavicencio Reyes, Camila Patricia; Addis, Elizabeth; Wingfield, John C.; Vásquez Salfate, Rodrigo (Elsevier, 2014)Across vertebrates, the hypothalamic–pituitary–adrenal axis is a conserved neuroendocrine network that responds to changing environments and involves the release of glucocorticoids into the blood. Few studies have been ...