Washington [US], October 18 (ANI): According to the findings of new research, practice makes one perfect, but sleep helps, too. Learning and executing a new motor skill can be enhanced if a person can get additional memory processing during sleep.

The findings of the study were published in the journal JNeurosci.

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Researchers at Northwestern University compared how well participants performed a challenging motor task with and without the extra processing during sleep. The participants played a computer game using a myoelectric computer interface, which enabled them to move a cursor by activating specific arm muscles.

Each command to move the cursor in a particular direction was paired with a unique sound; after practising, the participants played the game blindfolded and moved the cursor based on the sound cue alone.

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After completing a test round, the participants took a 90-minute nap. The researchers played half of the sound cues during the nap, reactivating the motor memories associated with each cue. After the nap, the participants performed the motions cued during sleep better than the uncued ones.

It took less time to move the cursor, the cursor travelled a more direct route, and fewer superfluous muscles were activated.

These results show people can improve the performance of new motor skills by reactivating memories during sleep. This approach could be a way to enhance rehabilitation for stroke or other neurological disorders. (ANI)

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