EMOTIV Brain Activity Map displays a real-time map of your mental activity in four significant brainwave frequency bands. Adjustable gain allows you to see detailed information and relative strengths between different brain regions. Adjustable buffer size allows you to see instant responses or average activity over longer periods.
Delta (0.5-4Hz) – indicating deep sleep, restfulness, and conversely excitement or agitation when delta waves are suppressed
Theta (4-8Hz) – indicating deep meditative states, daydreaming and automatic tasks
Alpha (8-15Hz) – indicating relaxed alertness, restful and meditative states
Beta (15-30Hz) – indicating wakefulness, alertness, mental engagement and conscious processing of information.