While listening to a 2 minutes music composition, users scalp-electrical-activity disturbs the curve of a spiral.
How was MAX used?
Emotiv/EPOC headset data is sent to MAX using OSC. Then using Jitter.GL objects a spiral was rendered in real time on a display placed in front of the user. Simultaneously, using a meta-programming approach, MAX generates a .pdf file with a vectorial version of the same spiral.