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Tag: Memory

Why walking helps us think

Ferris Jabr, The New Yorker:

When we go for a walk, the heart pumps faster, circulating more blood and oxygen not just to the muscles but to all the organs—including the brain. Many experiments have shown that after or during exercise, even very mild exertion, people perform better on tests of memory and attention. Walking on a regular basis also promotes new connections between brain cells, staves off the usual withering of brain tissue that comes with age, increases the volume of the hippocampus (a brain region crucial for memory), and elevates levels of molecules that both stimulate the growth of new neurons and transmit messages between them.

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If you want to be smarter, you need to sleep more

It’s been repeatedly shown that sleep is essential to how we form memories.

The human brain requires we sleep roughly one third of every day to properly process and store thoughts so they can be remembered at a later time. Depriving ourselves of sleep, especially over the long term, can disrupt this process. And it can make learning more difficult.

Researchers at the Sleep Research Laboratory at the University of Ottawa have found that once you drift off, your brain shifts information from the hippocampus, which is only used to store recent memories, to the prefrontal cortex. It’s how we learn new things, and remember them for the future.

A short night of sleep may translate into learning less. Our brain requires suffecient time to store everything it took in during the day. Researchers say it’s clear that if you want to be smarter, you may need to sleep more.

Read More at CBC

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