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Inducing Theta Hz in Brain

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Hi, I've been trying to create a script to help out with meditation through visual brain entrainment and binaural sound (last point not touched upon in this post).

But.. I cannot by any means seem to get around the tearing/flickering that occurs frequently when changing the background color from white to black or black to white. Any clever ideas on fixing this?! All help is appreciated :)

#include <GUIConstants.au3>
GUICreate ("My GUI")

; Run the GUI until user closes via traymenu
While 1
    GUISetBkColor (0x000000)
    GUISetBkColor (0xFFFFFF)
    $msg = GUIGetMsg()

P.S. I used the the data from http://www.neoseeker.com/Hardware/faqs/kb/21,54.html to calculate that a 5 Hz rhythm (low Theta) would require a change of the background color every 200ms

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Those of us from the western world have been instructed to avoid the practices of alchemy and sorcery, which is what your script is attempting, so I won't recommend that you try stretching an image using GUICtrlSetImage in place of GUISetBkColor.

Das Häschen benutzt Radar

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