BITTMAN RECEIVES EXPLORATORY GRANT TO STUDY BRAIN'S MASTER CLOCK

Neurobiologist Eric Bittman, biology, has received a two-year, $420,000 exploratory grant from the National Institute of Neurological Disorders and Stroke to study how the master clock in the brain talks to other neurons and how it controls a variety of organs including the heart, lung and liver.

Circadian rhythms are internally generated cycles that repeat at 24-hour intervals in the normal, fluctuating environment but which persist with a slightly shorter or longer period in constant conditions, he explains. Many physiological events, including body temperature, sleep and wakefulness, heart rate and blood pressure show circadian rhythms. Other events that recur at longer intervals, including reproductive cycles, are based on the daily circadian clock.

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