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Use wires and a colander on your head, you'll save $300. It's too expensive for not reliably reporting a meditative state.
Pros: I was meditating more regularly because I had it. Muse customer service is really good.
Cons: Many. I see it as a fraudulent device. It continues to improve your score even if you are active thinking or calm thinking.
1) It reports me as "more calm" when I do challenging brain puzzles while using it.
2) It doesn't differentiate between Theta-Delta waves and Alpha. The only benefit to strengthening your frontal cortex is if you are in Alpha state (focused meditation). One time that I was falling asleep and fell asleep (Theta-Delta) I racked up over 100 "calm birds".
3) I also received a lot of calm birds when I was distracted thinking.
4) It doesn't allow you to delete skewed data sessions if you fell asleep.
5) It's way expensive for not reliably reporting a meditative state.
September 2015 · Sports and Outdoors · verified purchase