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Anecdotally, for awhile I was solving Soduku entirely in my head, and I had a noticeable improvement in memory. Once I stopped the improvement went away. So,

by yters 8y ago

Anecdotally, for awhile I was solving Soduku entirely in my head, and I had a noticeable improvement in memory. Once I stopped the improvement went away. So, there seems to be benefit to some sorts of brain training.

maceurt 8y ago
How do you solve soduku entirely in your head?
- yters 8y ago
  I memorize the layout, and solved the puzzle by imagining the grid. Don't use paper at all. The easy puzzles tend to have a certain symmetry that make them not too difficult to memorize.