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Cardiac signatures of personality.

ABSTRACT: BACKGROUND: There are well-established relations between personality and the heart, as evidenced by associations between negative emotions on the one hand, and coronary heart disease or chronic heart failure on the other. However, there are substantial gaps in our knowledge about relations between the heart and personality in healthy individuals. Here, we investigated whether amplitude patterns of the electrocardiogram (ECG) correlate with neurotisicm, extraversion, agreeableness, warmth, positive emotion, and tender-mindedness as measured with the Neuroticism-Extraversion-Openness (NEO) personality inventory. Specifically, we investigated (a) whether a cardiac amplitude measure that was previously reported to be related to flattened affectivity (referred to as E? values) would explain variance of NEO scores, and (b) whether correlations can be found between NEO scores and amplitudes of the ECG. METHODOLOGY/PRINCIPAL FINDINGS: NEO scores and rest ECGs were obtained from 425 healthy individuals. Neuroticism and positive emotion significantly differed between individuals with high and low E? values. In addition, stepwise cross-validated regressions indicated correlations between ECG amplitudes and (a) agreeableness, as well as (b) positive emotion. CONCLUSIONS/SIGNIFICANCE: These results are the first to demonstrate that ECG amplitude patterns provide information about the personality of an individual as measured with NEO personality scales and facets. These findings open new perspectives for a more efficient personality assessment using cardiac measures, as well as for more efficient risk-stratification and pre-clinical diagnosis of individuals at risk for cardiac, affective and psychosomatic disorders.

SUBMITTER: Koelsch S

PROVIDER: S-EPMC3283631 | biostudies-other | 2012

REPOSITORIES: biostudies-other

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Cardiac signatures of personality.

Koelsch Stefan S Enge Juliane J Jentschke Sebastian S

PloS one 20120221 2

<h4>Background</h4>There are well-established relations between personality and the heart, as evidenced by associations between negative emotions on the one hand, and coronary heart disease or chronic heart failure on the other. However, there are substantial gaps in our knowledge about relations between the heart and personality in healthy individuals. Here, we investigated whether amplitude patterns of the electrocardiogram (ECG) correlate with neurotisicm, extraversion, agreeableness, warmth, ...[more]

PMID: 22363649

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Cardiac signatures of personality.

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Cardiac signatures of personality.

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