proprioception
[prō′prē ə sep′s̸hən]noun
Used by arrangement with John Wiley & Sons, Inc.
proprioception
(countable and uncountable, plural proprioceptions)
From Latin proprius (“one's own").
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In other words, what is sometimes referred to as "sixth sense" in medicine--if you close your eyes, you can still describe if you're sitting or standing, and how your legs or arms are positioned. That's proprioception.