1. Food Availability and Circadian Rhythms: Circadian clocks are synchronized to local time by sensitivity to environmental time cues (known as ‘zeitgebers’, in chrono-lingo). Light-dark cycles are a dominent zeitgeber for most species, but food intake also plays a critical role setting the phase of behavioral and physiological rhythms. A major part of our work is directed to understanding the brain mechanisms by which food synchronizes behavioral rhythms, enabling animals to anticipate regular daily mealtimes, and to remember the time and place of food availability.
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