Brain Health Blog

Brain Performance Index – What is BPI?

Your Brain Performance Index (BPI) is how you measure and track your cognitive performance, and compare your ability in one area to another. All active Lumosity users have a BPI. You can check yours in the My History section, or if you’re not already a member you can sign-up and get your BPI by playing the brain training games.

An increase in BPI indicates improvement. An increase of more than 200 points represents a substantial improvement of at least 1 standard deviation. Remember that BPI is a way to track your own personal progress – it is not intended as a way to compare yourself to other people.

How is BPI calculated?

The BPI scales are based on an analysis and ranking of over 7,200,000 real game results. We used these game results to create a distribution of scores for each activity so we know how an individual score stacks up to all others. We then evaluate your game scores and use a proprietary algorithm to derive your BPI. Each time you play, we update your BPI to accurately reflect your current brain performance.

How is overall BPI calculated?

Your Overall BPI is your average BPI across each of the four cognitive areas: attention, memory, processing speed and cognitive control. This number provides a concise measure of your overall brain performance. If you are weak in one area, it will bring down your overall score, so it’s a good idea to focus on the games where you scores are lowest.

Can I compare my BPI in one area to another?

Yes. The BPI converts scores in very different activities to the same scale based on average scores across all users. For example, a BPI of 400 in Birdwatching is equivalent to a BPI of 400 in Word Bubbles.

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7 Comments

  1. ChattyKatty
    Posted June 10, 2008 at 10:19 pm | Permalink

    Due to a very rare metabolic disorder, I have sustained seizures and went into a coma. Now I have brain damage with cognitive area, word recall, short term memory, etc.
    I just finished a neuropsych test. Had instructions for exercises and training.

    Just found your site. I can only spend 10 mins at a time, but I am impressed and frustrated (at me only). I am trying to rehab memory and such. So am trying your 30 day trial.

    Thank you for the opportunity.

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  5. Dsierra
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  6. Launch
    Posted March 10, 2009 at 7:46 am | Permalink

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  7. Hizer
    Posted September 29, 2009 at 9:07 am | Permalink

    I have a serious brain injury which gives me memory, attention, concentration,problem solving basically every facet of cognitive problems lumosity has done wonders for my brain and I am even thinking of returning and finishing of my Pharmacy course.

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