K
Kazuyuki Takata
Researcher at Toyota
Publications - 30
Citations - 1258
Kazuyuki Takata is an academic researcher from Toyota. The author has contributed to research in topics: Heart rate variability & Autoregressive model. The author has an hindex of 5, co-authored 30 publications receiving 1222 citations. Previous affiliations of Kazuyuki Takata include Nagoya City University.
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Journal ArticleDOI
Accuracy of assessment of cardiac vagal tone by heart rate variability in normal subjects.
Junichiro Hayano,Yusaku Sakakibara,Yusaku Sakakibara,Akira Yamada,Akira Yamada,Masami Yamada,Masami Yamada,Seiji Mukai,Seiji Mukai,Takao Fujinami,Takao Fujinami,Kiyoko Yokoyama,Kiyoko Yokoyama,Yosaku Watanabe,Yosaku Watanabe,Kazuyuki Takata,Kazuyuki Takata +16 more
TL;DR: The correlations of 11 indexes of heart rate variability were examined with pharmacologically determined cardiac vagal tone in 15 normal subjects at supine rest to indicate that most of the time and frequency domain analyses in use provides an accurate and common measure of cardiacvagal tone at rest.
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Short- and long-term effects of cigarette smoking on heart rate variability.
Junichiro Hayano,Masami Yamada,Masami Yamada,Yusaku Sakakibara,Yusaku Sakakibara,Takao Fujinami,Takao Fujinami,Kiyoko Yokoyama,Kiyoko Yokoyama,Yosaku Watanabe,Yosaku Watanabe,Kazuyuki Takata,Kazuyuki Takata +12 more
TL;DR: It is suggested that smoking causes an acute and transient decrease in vagal cardiac control, and that heavy smoking causes long-term reduction in vagAL cardiac control in young people and blunted postural responses in autonomic cardiac regulation.
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Severity of coronary atherosclerosis correlates with the respiratory component of heart rate variability
Junichiro Hayano,Junichiro Hayano,Akira Yamada,Akira Yamada,Seiji Mukai,Seiji Mukai,Yusaku Sakakibara,Yusaku Sakakibara,Masami Yamada,Masami Yamada,Nobuyuki Ohte,Nobuyuki Ohte,Takeshi Hashimoto,Takeshi Hashimoto,Takao Fujinami,Takao Fujinami,Kazuyuki Takata,Kazuyuki Takata +17 more
TL;DR: The hypothesis that decreased cardiac vagal activity is associated with an increased risk of coronary atherosclerosis is supported.
Journal ArticleDOI
An Evaluation of the Quantitative Relationship between the Subjective Stress Value and Heart Rate Variability
TL;DR: The results suggest the usefulness of RRI as an index of the subjective stress value as well as the correlation between the stress value and RRI or RSA when such wide range workload are given was evaluated.
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Spectral component of heart rate variability as an index of autonomic nervous function.
Junichiro Hayano,Masami Yamada,Takao Fujinami,Kiyoko Yokoyama,Yosaku Watanabe,Kazuyuki Takata +5 more
TL;DR: Method for spectral analysis of heart rate variability (HRV), and physiological characteristics of their spectral components are discussed, and they provide a quantitative index of autonomic nervous function.