Brain waves and Images 
Like you imagine the pic of Mercedes you saw in show room and you convey it to Allah with the help of brain waves that you wish to have it?
Or you know you committed a sin, you imagine the secne of when u were doing that, then imagine the action reversing, like turning back the time, u create a new scene in imagination where u see uerself not doing that sin rather avoiding it. then you use brain waves n tell Him that actually you wanted the scene to be like the 2nd one but 1st one happened , so sorry , I wont repeat it again etc.
Cant you make it simple for yourself as well as for Him too? 