Neuroscientists have recently been revisiting the role of the vestibular system (the inner ear canals that control our physical balance). More than just keeping our bodies upright, vestibular information (position/angle/movement of our head) connects to many different brain areas, including those involved in regulating emotions, spatial cognition, mental imagery, just to name a few.
This article shows how patients with vestibular system deficits (and ones who had surgery to remove related brain areas) have impairment in their mental imagery capabilities.
Einstein's big contribution to the world relied on his ability to mentally imagine how a light wave acted.
But there's more. Many psychiatric disorders are accompanied by vestibular system/balance disorders. It's also linked to clinical anxiety disorders, believe it or not.
All this to say, one thing you can do to improve your physical, emotional, and mental intelligence is: stimulate your vestibular system.
Do you stand or jump up and down on one leg sometimes just for healthy fun? Do you spin around like a little kid just to feel the dizziness? Do you juggle? Practice yoga balancing poses? All of these contribute to vestibular system functioning.
The vestibular system is our inner North star. It keeps us upright. If we take good care of it, we have a better shot at emotional regulation, and our mental energy can be freed up and spent on higher level thinking.