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VADIM ZIPUNNIKOV - Johns Hopkins Bloomberg School of Public Health

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From humans to monkeys and back: statistical analysis of physical activity patterns in humans and primates
11 September 2014 from 4:00 PM to 5:00 PM
201 Thomas Bldg.
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I will illustrate key statistical challenges of analyzing physical activity data by giving snapshots of three recent projects. First, I will talk about analysis of data collected on 700+ subjects wearing an Actiheart device that collects minute-by-minute activity counts and heart rate for one week as a part of the Baltimore Longitudinal Study of Aging. Secondly, I will talk about an experiment examining changes in activity in a monkey model of Parkinson’s disease that can be used to guide studies of activity changes in human Parkinson’s disease, as well as other related disorders associated with dopamine depletion. Finally, I will talk about “Home” and “Away” models for physical activity and inactivity in elderly adults. These models use both second-by-second activity and GPS data to identify activity “hotspots”, outside locations where alleviated physical activity is recorded.

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