Research shows that n-back training may increase fluid intelligence (IQ) and working memory (Soveri et al., 2017).
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Instructions / Additional Info:
The object of the game is to hold various items in your working memory and actively update these items as the game progresses. With each new trial, press the match button if the current item matches the item that occurred a given number of trials in the past. The term “n-back” denotes how many trials (n) in the past you need to remember. By default, you will begin on 2-back, so press the match button if the current item matches the item that occurred 2 trials back in the past. For a simple demonstration of how to play single 2-back, see this video: https://www.youtube.com/watch?v=qSPOjA2rR0M .
N-Back Memory Training allows you to choose from a diverse set of items to store in working memory:
• the position of a square on a 3 x 3 grid
• sounds (letters, numbers, or piano notes)
• images (shapes, national flags, sports equipment)
By default, the app starts on dual n-back, using positions and sounds (letters). The “dual” in dual n-back simply denotes how many different item types you will need to remember. You may choose any combination of item types, from single n-back to quad n-back.
Track Progress and Compete with Other Users:
Track your daily progress using customizable, interactive graphs. You can also compare your high scores to other users around the world in real-time with premium mode (upgrade available within the app).
N-Back Memory Training uses an advanced n-back scoring algorithm. The app measures your working memory accuracy using the discrimination index A’ from signal detection theory. A’ generally ranges from 0.5 (random guessing) to 1.0 (perfect accuracy). A’ is combined with your current n-back level to determine your daily progress. Progress scores will generally range +/- 0.5 around your n-back level. For instance, on 2-back, an accuracy of A’ = 1 will yield a score of 2.5, whereas A’ = 0.5 will yield a score of 1.5.
If you want to change the game speed, the number of trials, or anything else, simply go to Settings > Select Mode > Manual Mode. From there, you can customize virtually anything. You can also customize the app’s appearance by creating your own custom background using color gradients. You can find these options toward the bottom of the Settings menu.
Please send any comments, questions, or concerns to email@example.com .
Thanks for playing!
E. A. L.
Soveri, A., Antfolk, J., Karlsson, L., Salo, B., & Laine, M. (2017). Working memory training revisited: A multi-level meta-analysis of n-back training studies. Psychonomic bulletin & review, 24(4), 1077-1096.
In-app background image credit: Réseau de neurones. If then else / Wikimedia, CC BY-SA
-added Practice Mode: proceed through the game at your own pace to learn the rules
-added “grace period”: provides two opportunities to stay on an N-back level
-reduced price to $0.99 for Premium upgrade (remove ads, compare high scores with users around the world)
-added additional research studies to About section
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