Recent evidence has implicated steroid hormones, specifically estrogens, in the rapid modulation of cognitive processes. Songbirds have been a useful model system in the study of complex cognitive processes including birdsong, a naturally learned vocal behavior regulated by a discrete steroid- ...
The medial preoptic nucleus of the Japanese quail is a testosterone-sensitive structure that is involved in the control of male copulatory behavior. The full understanding of the role played by this nucleus in the control of reproduction requires the identification of its afferent and efferent ...
The current crisis in EU agriculture, which is being forced to develop new structures to contend with international competition, could be seen as an entirely economic sectoral crisis. However, the repercussions are in fact widespread, resulting in social change and a profound identity crisis. This ...