International journal of psychophysiology : official journal of the International Organization of Psychophysiology · 2017
Behavioral depression is associated with increased vagally mediated heart rate variability in adult female cynomolgus monkeys (Macaca fascicularis).
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Jarczok Marc N, Koenig Julian, Shively Carol A, Thayer Julian F
Аннотация
INTRODUCTION: Depressive symptoms (DS) in humans are associated with decreased resting state vagal activity, but sex seems to moderate this association. Recently, in human females DS have been associated with greater or similar cardiac vagal activity compared to men in both, clinical and non-clinical samples. A previously validated animal model of behavioral depression was used in the present study to investigate the association of DS and cardiac vagal activity in non-human primates.
METHODS: The root mean square of successive differences between adjacent heart beats (RMSSD) was used as an indicator of vagally-mediated heart rate variability in 24h heart rate recordings collected via telemetry in 42 adult female cynomolgus monkeys (Macaca fascicularis). Hierarchical regression models were used to estimate differences in RMSSD comparing monkeys with and without DS. To capture circadian variation patterns of RMSSD, additional quadratic, cubic and quartic terms of hour were added.
RESULTS: Monkeys showing behavioral DS had higher overall 24-h RMSSD. The interaction term of daytime with DS and polynomials of hour contributed significantly to the variance across models.
CONCLUSIONS: This is the first study investigating the association of DS and 24h cardiac vagal control in female non-human primates. Results replicate existing human studies showing higher cardiac vagal control in behavioral depressed vs. non-depressed female monkeys.
METHODS: The root mean square of successive differences between adjacent heart beats (RMSSD) was used as an indicator of vagally-mediated heart rate variability in 24h heart rate recordings collected via telemetry in 42 adult female cynomolgus monkeys (Macaca fascicularis). Hierarchical regression models were used to estimate differences in RMSSD comparing monkeys with and without DS. To capture circadian variation patterns of RMSSD, additional quadratic, cubic and quartic terms of hour were added.
RESULTS: Monkeys showing behavioral DS had higher overall 24-h RMSSD. The interaction term of daytime with DS and polynomials of hour contributed significantly to the variance across models.
CONCLUSIONS: This is the first study investigating the association of DS and 24h cardiac vagal control in female non-human primates. Results replicate existing human studies showing higher cardiac vagal control in behavioral depressed vs. non-depressed female monkeys.