clenching your fist can improve your memory!...

Clenching your right hand may help create a stronger memory of an event or action, and clenching your left hand may help you recall the memory later.

In order to examine how hand clenching impacted memory and recall the investigators asked 51 right-handed participants to memorise 72 words. Researchers suggest that squeezing your right hand together into a fist may help with memorising a list. One group clenched their right fist for about 90 seconds right before memorising the list and then did the same right before recalling the words.

» One group clenched their left hand before memorising and again before recalling.
» One group clenched their right hand prior to memorising and their left prior to recalling.
» One group clenched their left hand prior to memorising and their right prior to recollecting.
» A control group that did not clench their fists at all.

Results showed that the volunteers who clenched their right fist when memorising the list and then clenched their left when recalling the words performed better than all of the other hand-clenching groups.

“The findings suggest that some simple body movements - by temporarily changing the way the brain functions - can improve memory. More research is necessary to determine whether their results with word lists extend to memories of visual stimuli, such as remembering faces, or spatial tasks, such as remembering where your keys are. This effect of hand-clenching on memory may be because clenching a fist activates brain regions that are also associated with memory formation."

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