Guest guest Posted December 20, 2007 Report Share Posted December 20, 2007 Mark, I generally leave the Dominant Frequency target set with a range of 10 to about 11.5 Hz. If alpha peak is crossing into this range less than 30%, then try sliding the lower target down to 9.8 or perhaps as low as 9.5 Hz. The Alpha percent threshold should begin in Auto mode and allowed to stabilize over 20-30 seconds. Then switch the threshold to Manual to form a " Baseline " for that session. The alpha ratio represents high alpha (10-12 Hz) divided by low alpha (8-9.5 Hz), so it should be above 1. Target can be set at 1 and left in Manual mode.Pete Is the Alpha Up design to be left on manual settings for the thresholds or do you start on auto for any of them?-- Van Deusen pvdtlc@...http://www.brain-trainer.com305/433-3160The Learning Curve, Inc. Quote Link to comment Share on other sites More sharing options...
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