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tag poetry obesity neuroscience evolutionary biology

Illuminating Behaviors
Douglas Steinberg | Jun 1, 2003 | 6 min read
Courtesy of Genevieve Anderson If not for Nobel laureates Thomas Hunt Morgan, Eric R. Kandel, and Sydney Brenner, the notion of a general behavioral model might seem odd. Behaviors, after all, are determined by an animal's evolutionary history and ecological niche. They are often idiosyncratic, shared in detail only by closely related species. But, thanks to Morgan's research in the early 20th century, and Kandel's and Brenner's work over the past 35 years, the fly Drosophila melanogaster, t
A Weighty Matter: Neuropeptides Involved In Appetite And Energy Homeostasis
Deborah Wilkinson | Sep 12, 1999 | 10+ min read
Date: September 13, 1999Table of Neurochemical Manufacturers The hypothalamus has long been known as a control center for feeding and weight control behaviors. Complex regulatory feedback loops enable this portion of the brain to determine satiety and metabolic activity. Not surprisingly, the control mechanisms are complex and involve different biochemical pathways.1,2,3 Image courtesy of Jeffrey M. Friedman An ob/ob mouse stacking up against its lean counterparts A series of pioneering expe

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