A compilation of cutting-edge research, Neuroplasticity, Development, and Steroid Hormone Action explores the effects of steroid hormones on brain development, function, and aging. The experimental approaches used by the authors ranges from molecular to behavioral and endocrine to neurobiological. It contains scientific photographs, line drawings, tables, color illustrations, and graphs, this interesting and timely text covers the neuroplastic effects of steroid hormones throughout the lifetime of various animal models, such as bees, fish, lizards, turtles, birds, mice, rats, and primates.