So umm.. the headphones you recommend respond to "18 Hz to 21 kHz" like it says on the page. But the brainwaves actually respond to: > 40 Hz = Gamma waves - Higher mental activity, including perception, problem solving, fear, and consciousness 13–40 Hz = Beta waves - Active, busy or anxio...

Thank you 'ookpaya' and 'lucidthoughts'.
I really hope the mentioned doses work on me seeing as I don't get much effect from most doses

Reaction/Brainspeed ???
I would like a dose which speeds up you brain inthe sense of thinking, reaction time etc.
BTW I'm new to i-Doser, haven't got an effect yet but hope to soon.
And please be nice my first post