Programming Instructions 71
RNS
®
System User Manual
Area detector
The area detector measures the area between the ECoG and the time axis (see Figure 30). The area
detector operates by comparing the normalized ECoG area (area per second) in a short-term trend
window (typically 1 to 4 seconds) to the normalized ECoG area in a long-term trend window (typically
1 to 2 minutes). When the difference between the short-term and long-term trend windows exceeds a
programmed threshold (typically 37.5% to 100%) detection occurs.
Figure 30: Area detector example.
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