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I have a common problem that whatever I study, I am not able to retain it later.

I understand the learning outcomes at the time of study (or I am under the illusion of this), but after some time (some hours/days/weeks), the learnings are completely siphoned offs.

I have tried to revise, recap and practice, but I see that these decrease the productivity (i learn a lot less in given time), and I am able to retain for some longer time (and not till eternity).

With the amount of Information I have to grasp, I forgot what i learned 2 days ago, and go back to the material again, when I need to actually use that learnings.

My question is how to increase retention power? and Does sites like lumosity(or any other alternatives) really helps

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You might want to watch this similar SE CogSci question to see if any relevant answers come up there. – Jonathan Deamer Nov 25 '13 at 12:55

We have a couple of questions on this, but I can't find them right now.

A key concept is timely, layered revision - don't wait two weeks, revise as soon after each lesson as possible... Not later than the same day. Make sure you go through your notes from the day and summarise them that evening.

Then at end of the week revise the summaries from that week. And ideally revise again on a fortnightly or monthly basis.

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What you're talking about is Spaced Repetition System (1) (2), but what I think OP is talking about is actually increasing the capabilities of your memory (=> exercises, supplements?) – Dwelle Nov 17 '13 at 13:29
@Dwelle, You got it right. Revision is alright, But it requires lots of time. I am looking ways to keep focused, have high concentration, no distraction to have more retention. I have already tried Pomodoros but it is not working for me. – Tilak Nov 17 '13 at 20:20
Pomodoro is not about retaining information. It is about focusing. Spaced repetition improves your retention capability. – Rory Alsop Nov 18 '13 at 12:08

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