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Memories Are Played Back at Super High-Speed When We're Learning New Skills - ScienceAlert

Memories Are Played Back at Super High-Speed When We're Learning New Skills - ScienceAlert

Memories Are Played Back at Super High-Speed When We're Learning New Skills - ScienceAlert
Jun 09, 2021 43 secs

Powerful modern imaging techniques, allowing us to look more closely at how memory consolidation works, have just highlighted the importance of wakeful rest in the learning process.

In the new study, researchers watched how wakeful rest can do this for motor memory, where memory consolidation can be significantly more powerful than the same process in sleep.

This imaging technique measures the magnetic fields generated by our brain cells' electric currents, providing researchers with a very high-resolution glimpse of brain activity.

"Our data indicate that frequent, fast waking replay reinforces hippocampus and neocortical associations learned during prior practice," explained Buch, "a process relevant for improving subsequent performance and wakeful consolidation of skill.".

"The strong involvement of hippocampal and medio-temporal activity in replay of a procedural motor memory was surprising, given that this type of memory is often thought of as not requiring hippocampal contributions," said Buch.

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