what is the definition of the term activity how does activity affect circadian rhythms what does position in a time series indicate what sensor detects sleep patterns can a time series detect movement why would you use a time series how to find the earliest position of activity in a clock? when to use spatial time series and reflect time series? what is the process of capturing activity in time series which of the following is the function of the spatial data from the circadian rhythm sensor? what is the difference between activity and spatial frequency when to use spectral analysis can a time series sensor detect circadian rhythm? why would you use a time series for activity what r method can detect a person's sleep pattern does a time series detect sleeping patterns how to find out circadian rhythm in time series why do mri and r use different time series how to analyze time series what is the function of spectral data