N'Back 10

The nback task is a method of measuring temporary memory ability (working memory ability) introduced by Kirchner in 1958.<br /> <br /> The nBack task was found to have the effect of not only measurement but also improving temporary memory ability itself, and is now being treated as one of brain training.<br /> <br /> -----<br /> Tap the number key matches the one from N steps earlier in the sequence.<br /> <br /> In 1'Back<br /> 1 task1: count & memorize<br /> 2 task2: count & memorize<br /> 3 __keyboard__: answer for task1<br /> 4 task3: count & memorize<br /> 5 __keyboard__: answer for task2<br /> 6 task4: count & memorize<br /> :<br /> <br /> In 2'Back<br /> 1 task1: count & memorize<br /> 2 task2: count & memorize<br /> 3 task3: count & memorize<br /> 4 __keyboard__: answer for task1<br /> 5 task4: count & memorize<br /> 6 __keyboard__: answer for task2<br /> 7 task5: count & memorize<br /> :<br /> <br /> Please see the following site for how to use this app.<br /> https://android.brain-workout.org/nback/