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The Biology of Homosexuality
In this fascinating book, Jacques Balthazart presents a simple description of the biological mechanisms that are involved in the determination of sexual orientation in animals and also presumably in humans. Using scientific studies published over the last few decades, he argues that sexual orientation, both homosexual and heterosexual, is under the control of embryonic endocrine and genetic phenomena in which there is little room for individual choice. The author begins with animal studies of the hormonal and neural mechanisms that control the so-called instinctive behaviors and analyzes how this animal work may potentially apply to humans. The book does not focus exclusively on homosexuality, however. Instead, the book acts as a broader guide to the biological basis of sexual orientation, and also discusses important gender differences that may influence sexual orientation. While firmly grounded in the scientific literature, this text is developed for a broader audience and will be of interest to psychologists, researchers, students, and anyone interested in the biological factors that determine our sexuality.
Hormones and the Brain
Peripheral hormones have a major impact on the brain: they are able to interfere with its development, to affect release of neurotransmitters and concentrations of receptors, to trigger growth factors involved in lesion repair. These multiple actions account for their capacity to modulate a number of physiological parameters, from reproductive functions to memory, behavior and aging. This book based on contributions of pioneer investigators in the field, outlines the role of hormones in pathogenic processes such as mental disturbances or neurodegenerative diseases.
The Design of Animal Communication
Based on the approach laid out in the 1950s by Nobel laureate Nikolaas Tinbergen, this book looks at animal communication from the four perspectives of mechanisms, ontogeny, function, and phylogeny.
Hormones, Brain and Behavior Online
Hormones, Brain, and Behavior, Second Edition is a comprehensive work discussing the effect of hormones on the brain and, subsequently, behavior. This major reference work has 109 chapters covering a broad range of topics with an extensive discussion of the effects of hormones on insects, fish, amphibians, birds, rodents, and humans. To truly understand all aspects of our behavior, we must take every influence (including the hormonal influences) into consideration. Donald Pfaff and a number of well-qualified editors examine and discuss how we are influenced by hormonal factors, offering insight, and information on the lives of a variety of species. Hormones, Brain, and Behavior offers the re...
Neurosteroids
Thirty years ago, the group of Baulieu and colleagues discovered that certain steroid hormones were present in higher amounts in the brain than in the plasma, and also found that suppression of circulating steroids by adrenalectomy and castration did not affect the concentration of pregnenolone, dehydroepiandrosterone and their sulfate esters in the rat brain. These seminal observations led to the concept that the brain, in very much the same way as the adrenal cortex, testis, ovary and placenta, was capable of synthesizing steroids. These brain born steroids, called neurosteroids, have been found to exert a vast array of biological activities. A number of steroidogenic enzymes have now been identified in the central nervous system by immunohistochemistry and in situ hybridization, and the neuronal and hormonal mechanisms regulating the biosynthesis of neurosteroids have been partially elucidated. The aim of this Research Topic is to celebrate three decades of research on neurosteroids by gathering a bouquet of review papers and original articles from leading scientists in the flourishing field of neurosteroids.
The Development of Sex Differences and Similarities in Behavior
M. HAUG Universite Louis Pasteur, Laboratoire de Psychophysi%gie, URA 1295, 7, rue de /'Universite, 67000 Strasbourg, France This varied and impressive volume is a record of the major presentations at the NATO sponsored Advanced Research Workshop on The Development of Sex Differences and Similarities in Behaviour held at the Chateau de Bonas, Gers, France July 14-18, 1992. It is fitting that a meeting evaluating masculine and feminine 'characteristics' was located in the Gascony region immortalised in Alexandre Dumas epic, macho tale of The Three Musketeers. It is even more satisfying that Marc HAUG the French Director (a D' Artagnan equivalent) was ably assisted by a US/French Consortium of three co-Directors (Drs. Richard E. WHALEN, Claude ARON and Kathie L. OLSEN). The ARW also provided opportunities to explore the region around the Chateau, to appreciate the complex history of the area and to sample armagnac and other local gastronomic creations. A lively and varied cultural programme (classics to jazz) was also provided to maintain the interests and enthusiasms of the participants.
Neuroendocrinology
70 years after the discovery of secretory neurons, internationally leading experts gathered to discuss the latest developments in neuropeptide research and endocrinology, concentrating on the molecular, cellular, supracellular and systemic aspects. A variety of neuropeptidergic systems are considered under comparative and evolutionary aspects.
Advances in Comparative and Environmental Physiology
Advances in Comparative and Environmental Physiology helps biologists, physiologists, and biochemists keep track of the extensive literature in the field. Providing comprehensive, integrated reviews and sound, critical, and provocative summaries, this series is a must for all active researchers in environmental and comparative physiology.
Current Ornithology
Volume 5 of this series continues its coverage of currently active re search fields in ornithology. Because an editor can never be a disin terested observer of his or her own editorial efforts, any claim for su periority of this volume is not without conflict of interest. Even so, Volume 5 has certain merits that even a parent should acknowledge, and I find the current chapters not merely timely and authoritative but compelling in their demand for a reader's attention. Wolfgang and Roswitha Wiltschko provide a perceptive review of magnetic orientation in birds, a piece dedicated to Fritz Merkel, the pioneer in studies of magnetic orientation. Sergei Kharitonov and Doug las Siegel-Causey are ...
