'Neurotic people tend to be more creative'

August 28, 2015 07:06 pm | Updated March 29, 2016 06:02 pm IST - London

People who score high on neuroticism in personality tests, tend to have negative thoughts, says study.

People who score high on neuroticism in personality tests, tend to have negative thoughts, says study.

Neurotic people who constantly worry and brood over negative thoughts are likely to be more creative, a new study has found.

The part of the brain responsible for self-generated thought is highly active in neuroticism, which yields both of the trait’s positives (creativity) and negatives (misery), researchers said.

People who score high on neuroticism in personality tests, tend to have negative thoughts and feelings of all types, struggle to cope with dangerous jobs, and are more likely to experience psychiatric disorders within their lifetime.

Isaac Newton was a classic neurotic. He was a brooder and a worrier, prone to dwelling on the scientific problems before him, as well as his childhood sins, researchers said.

But Newton also had creative breakthroughs, thoughts on physics so profound that they are still part of a standard science education, they said.

The most popular explanation for why people are neurotic comes from British psychologist Jeffrey Gray, who proposed in the 1970s that such individuals have a heightened sensitivity to threat.

A previous study showed that individuals in an MRI scanner, who spontaneously have particularly negative thoughts (a key marker of neuroticism), displayed greater activity in the regions of the medial prefrontal cortex that are associated with conscious perception of threat.

Researchers said that individual differences in the activity of these brain circuits that govern self-generated thought could be a causal explanation for neuroticism.

They collaborated with Dean Mobbs of the Columbia University’s Fear, Anxiety and Biosocial Lab, who had previously shown that there is a switch from anxiety-related forebrain activity to panic-related midbrain activity as a threat stimulus moves closer.

Mr. Mobbs had also shown that this switch from anxiety to panic is controlled by circuits, in the basolateral nuclei of the amygdale - the brain’s emotional centre.

“If you have a tendency to switch to panic sooner than average people, due to possessing especially high reactivity in the basolateral nuclei of the amygdale, then that means you can experience intense negative emotions, even when there’s no threat present,” said lead author Adam Perkins, a personality researcher at King’s College London.

“This could mean that for specific neural reasons, high scorers on neuroticism have a highly active imagination, which acts as a built-in threat generator,” Perkins said.

The over-thinking hypothesis also explains the positives of neuroticism, researchers said.

The creativity of Newton and other neurotics may simply be the result of their tendency to dwell on problems far longer than average people, they said.

The study was published in the journal Trends in Cognitive Sciences Opinion.

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