“Horses and Their Ability to Heal” by Gloria Lybecker, originally published in Natural Awakenings Inland Northwest. 

"The horse has evolved over millions of years as a prey animal. Their nervous systems are wired to react quickly to known or perceived threats. The physical structure of a horse's brain, with its enlarged amygdala, closely resembles humans who have experienced trauma. This gives them the ability to engage easily with those who struggle with hyper-vigilance and reactivity, providing the "neuroception of safety" (safety felt by the subconscious) and intuitive understanding of who is trustworthy and who is not. 

It is often said that horses see with their ears. This is true in that their visual to mental focus can be observed by where they point their ears. Yet every movement of the horse is communication: a twitch of its ear, a swish of its tail, the snake-like movements it can make with its neck. 

Horses also have huge hearts, averaging about...