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Titolo:
HERITABILITY OF RESPIRATORY SINUS ARRHYTHMIA - DEPENDENCY ON TASK ANDRESPIRATION RATE
Autore:
SNIEDER H; BOOMSMA DI; VANDOORNEN LJP; DEGEUS EJC;
Indirizzi:
ST THOMAS HOSP,TWIN RES UNIT,LAMBETH PALACE RD LONDON SE1 7EH ENGLAND VRIJE UNIV AMSTERDAM,DEPT PSYCHOPHYSIOL AMSTERDAM NETHERLANDS
Titolo Testata:
Psychophysiology
fascicolo: 3, volume: 34, anno: 1997,
pagine: 317 - 328
SICI:
0048-5772(1997)34:3<317:HORSA->2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEART-RATE-VARIABILITY; PARASYMPATHETIC CARDIAC CONTROL; BORDERLINE HYPERTENSION; CARDIOVASCULAR REACTIVITY; PERIOD VARIABILITY; MEDICAL-RESEARCH; AEROBIC FITNESS; BLOOD-PRESSURE; VAGAL TONE; STRESS;
Keywords:
HERITABILITY; TWINS; RESPIRATORY SINUS ARRHYTHMIA; RESPIRATION RATE; AGE; STRESS TASKS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
67
Recensione:
Indirizzi per estratti:
Citazione:
H. Snieder et al., "HERITABILITY OF RESPIRATORY SINUS ARRHYTHMIA - DEPENDENCY ON TASK ANDRESPIRATION RATE", Psychophysiology, 34(3), 1997, pp. 317-328

Abstract

In this study, we investigated the genetic and environmental origin of individual differences in respiratory sinus arrhythmia (RSA) during rest and during four stress tasks. We used a multivariate model including age, RSA, and respiration rate. Participants were 208 male and female pairs of middle-aged twins. A model without sex differences, specifying additive genetic and unique environmental factors, showed the best fit across all conditions. Heritability of RSA ranged from 28% to 43%. Correction for respiration rate yielded RSA heritabilities of similar size. The covariance between respiration rate and RSA was best explained by a combination of correlated unique environmental and correlated additive genetic factors. Combined with data from an earlier project, RSA from 317 adolescent and 712 middle-aged individuals of both sexes was available. This large data set showed that (a) sex differencesin mean RSA are absent and (b) RSA decreases considerably from adolescence (111.5 ms) to middle age (60.0 ms).

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Documento generato il 22/01/20 alle ore 18:29:30