The Hypothalamus And The Temporal Organization Of Behavior

The hypothalamus has long been recognized as an important integrative area for the regulatory control of behavioral state and the temporal organization of behavior. Early evidence from lesion and stimulation paradigms implicated regions of the hypothalamus in the control of sleep and other rhythmic aspects of behavior and physiology. However, identification of the specific circuitry through which the hypothalamus coordinates internal homeostatic function with sensory stimuli of the environment only occurred with the advent of technical advances that permitted the identification and functional dissection of populations of hypothalamic neurons. Today, our knowledge of the neural systems that exert regulatory influence over these functions is far more precise, and in some instances the molecular mechanisms that contribute to this control are beginning to be unraveled. The following sections review the functional organization of hypothalamic systems that participate in the control of rhythmic functions, sleep, and arousal.

Breaking Bulimia

Breaking Bulimia

We have all been there: turning to the refrigerator if feeling lonely or bored or indulging in seconds or thirds if strained. But if you suffer from bulimia, the from time to time urge to overeat is more like an obsession.

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