User Tools

Site Tools


computehrv

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision
Previous revision
Last revisionBoth sides next revision
computehrv [2010/06/21 21:02] – created jochencomputehrv [2010/06/21 22:16] – again... jochen
Line 2: Line 2:
  
 ===== Motivation ===== ===== Motivation =====
-Both heart beat onsets (R wave time points) as well as sliding beats-per-minute(BPM) are already interesting measures, both most publications refer to summarizes measures when GCR data reported. One of the most common of these is heart-rate variability (HRV). This function computes the power spectral contribution of frequencies in two specified ranges.+Both heart beat onsets (R wave time points) as well as sliding beats-per-minute (BPM) are already interesting measures, but most publications refer to summary measures when GCR data reported. One of the most common of these is heart-rate variability (HRV). This function computes the power spectral contribution of frequencies in two specified ranges.
  
 ===== Requirements ===== ===== Requirements =====
Line 175: Line 175:
 % compute relative power contribution HFP/LFP % compute relative power contribution HFP/LFP
 rel_pow_HoverL = hrv.hfp / hrv.lfp;</code> rel_pow_HoverL = hrv.hfp / hrv.lfp;</code>
 +
 +The following screenshot was taken during this example (while the second call to heartbeats is being executed):
 +
 +{{:neuroelf_heartbeats_doublewindow.png|heartbeats with overview on top}}
 +
 +**Note: if the function (heartbeats) is called twice with plotting enabled, the result of the overview of the first call will be re-positioned so that it can be easily used as input to the second pass.**
computehrv.txt · Last modified: 2010/06/22 21:20 by jochen