Listen to your heart: why your brain may give away how well you know yourself

“Listen to your heart,” sang Swedish pop group Roxette in the late Eighties. But not everyone is able to tune into their heartbeat, according to an international team of researchers – and half of us under- or over-estimate our ability.

 

'Follow your heart’ has become something of a cliché, but we know that, consciously or unconsciously, there is a relationship between our heartrate and our decisions and emotions.
   - Tristan Bekinschtein

In research just published in the journal Cerebral Cortex, a team of scientists led by the University of Cambridge and the Medical Research Council (MRC) Cognition and Brain Sciences Unit, Cambridge, studied not only whether volunteers could be trained to follow their heartbeat, but whether it was possible to identify from brain activity how good they were at estimating their performance.

Dr Tristan Bekinschtein, a Wellcome Trust Fellow and lecturer in the Department of Psychology at the University of Cambridge, says: “‘Follow your heart’ has become something of a cliché, but we know that, consciously or unconsciously, there is a relationship between our heart rate and our decisions and emotions. There may well be benefits to becoming more attuned to our heartbeat, but there’s very little in scientific literature about whether this is even technically possible.”

A recent study from Dr Bekinschtein and colleagues showed that people with ‘depersonalisation-derealisation disorder’ – in which patients repeatedly feel that they are observing themselves from outside their body or have a sense that things around them are not real – perform particularly badly at listening to their heart. Another study from the team, looking at a man with two hearts – his natural, diseased heart and a replacement artificial heart – found that he was better able to tune into the artificial heart than the diseased one.

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Image: listen to your heart <3
Credit: Larissa S.


Reproduced courtesy of the University of Cambridge
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