Alpha Beta Gamma

Attention and Meditation

• 12-38 Hz• Attention,

problem solving

• 8-12 Hz• Relaxation,

meditation

• 38-42 Hz• Memory,

recollection

NeuroSky has algorithms named Attention and Meditation that take a running average of Beta and Alpha waves, respectively.

• 2 Players• Any brainwave• Dial moves based on

difference in brainwaves• Pull the dial all the way

to your side to win• Dial becomes more

sensitive after 60 seconds

• 1 Player• Any brainwave• Hold your mind in the

target brainwave to move the dial

• Dial only moves while above a mental threshold

• 120 seconds

• 1 Player• Balance between

‘Attention’ (100) and ‘Meditation’ (0)

• Hold the dial at 50• Game over after

reaching 0 or 100

• Can display multiple players or brainwave types

NeuroSky Mindwave Mobile 2 Headset

NEMA 17 Stepper Motor

Pololu Tic T500 Stepper Driver

Painted by Iris Chesnut

Oscilloscope Gnuplot output

• Oscilloscope uses Gnuplot• TicCMD used to control motor

CarnivalVersus Free Play