Rachel Heath

4 Questions 11 Answers 0 Followers

Questions related from Rachel Heath

How do I interpret multifractal sepctra when I use surrogate controls?

I've computed multifractal spectra using MFDFA with 30 surrogate controls computed using the TISEAN surrogates routine (IAAFT surrogates). When I plot H vs q I get a mean curve for the surrogates...

04 April 2015 6,663 2 View

Has anyone evaluated the accuracy of lifestyle monitors such as FitBit and BodyMedia FIT?

i want to use lifestyle monitors to measure people's activity over extensive periods of time but am concerned about how accurate and reliable the measurements obtained from such devices are when...

01 January 2015 5,637 6 View

Does anyone have any actimetry data recorded for a full cycle of people diagnosed with mood disorder?

I am using nonlinear data analyses to detect changes in the course of mood disorder so that serious episodes of depression and mania can be prevented. I am looking for good quality activity data...

01 January 2015 9,482 1 View

In what sense does neurotransmitter modulation cause mental illness?

It is commonly believed that mental illness is caused by a "chemical imbalance". Is there any scientific evidence that changes in synaptic neurotransmitter concentrations actually cause mental...

11 November 2014 8,819 14 View