What Netlromuscular Systems Tell Us about Hormones and Behavior
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چکیده
I. WHY STUDY SIMPLE SYSTEMS vertebrate brain. The simpler, more soluble systems we IF YOU WISH TO UNDERSTAND discuss here are neuromuscular systems-spinal and COMPLICATED PROBLEMS? brain-stem motoneurons and their target muscles. Our I A decision every scientist must grapple with is whether to approach directly a problem that is very important and therefore likely to be so complicated as to be nearly insoluble or to approach a problem that is more distantly related to the main topic of interest but almost certainly soluble. Should we attack the dragon's head or tail? Should we study a very complicated system and risk having a career of frustration in which every finding must be couched with careful reservations because of the countless uncontrolled variables I involved? Or should we study a simple system with relatively few variables, which permits us to draw firm 1 conclusions and generate additional hypotheses, all of which are published in the more archival journals to i be read by only our closest competitors? Most scientific careers waver back and forth between these tactics, risking the dragon's fiery breath on occasion. In this essay, we celebrate the tactic of taking good solid hacks i at the dragon's tail while the head of the beast rages on. I The larger question covered by this volume is whether and how gonadal steroids direct sexual differentiation of the most complicated machine in the universe, the
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تاریخ انتشار 2006