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A man in Brazil, having received a cardiac implant, found – not all that surprisingly – that his body image shifted: he had the odd feeling off having a heart in his belly rather than his chest. But rather more surprisingly, the introduction of the implant “seemed to have markedly altered certain social and emotional skills,” according to David Robson at BBC Future. The article that came out this week, “The mind-bending effects of feeling two hearts,” delves into recent research that shows that our hearts – and body-awareness in general – have a more profound effect on our emotional functioning than even the poets may have known.

A recent experiment asked participants to count their own heartbeats, without putting their hands over their hearts or having any other aid in perceiving them. About 1 in 4 people get something like 50% accuracy; some folks are not very good at perceiving what’s going on inside of them, as I have observed in my own practice. A few, though – also around 1-4 – can achieve an accuracy of 80%. This ability, incidentally, is called introception, a word I’ll definitely be adopting.

After this, the groups were asked to do a series of tests around emotional awareness. The results were astounding:

People with more bodily awareness tend have more intense reactions to emotive pictures and report being more greatly moved by them; they are also better at describing their feelings. Importantly, this sensitivity seems to extend to others’ feelings – they are better at recognising emotions in others’ faces – and they are also quicker to learn to avoid a threat, such as a small electric shock in the lab, perhaps because those more intense bodily feelings saturate their memories, making the aversion more visceral.

In another study aimed at looking at intuition, people who had a more accurate sense of their hearts followed their intuition more. They were asked to pick cards that would win them money if they matched the color of a card on the table. “The game was rigged so that you were slightly more likely to win from two of the decks, and lose if you picked from the other two. Dunn [the researcher] found that the people who could track their heartbeat with the most accuracy would tend to pick from certain decks, whereas those with poor interoception were more likely to choose at random.”

It is not so much that the hunches the more body-aware people followed were always right – quite the contrary. It is more than they tended to follow their hearts, as the saying goes, more often. People with increased body awareness are being found to have richer emotional awareness as well, resulting in a richer experience of life. And those with reduced bodily awareness – including those with certain neurological flaws in the connection between the body and the brain – can suffer everything from depression to depersonalization disorders.

Naturally all of this is exciting for someone who works primarily on helping people increase their body awareness. It is also no wonder that Rubenfeld Synergy can be so powerful: tuning in to the body’s sensations can unlock emotions that are lying dormant and allow them to flow when they have been trapped.

What happens when you listen to your heart?