大坂元久 (Motohisa Osaka) - マイポータル

基本情報

所属: 日本獣医生命科学大学獣医保健看護学科獣医保健看護学基礎部門教授

学位: 博士(医学)(日本医科大学)

J-GLOBAL ID: 200901063101290352
researchmap会員ID: 1000214968

東京大学理学部数学卒、日本医科大学卒

研究キーワード

研究分野

学歴

- 1985年

日本医科大学, 医学部, 医学科
- 1985年

日本医科大学

受賞

論文

276

A Mathematical Model Reveals That Both Randomness and Periodicity Are Essential for Sustainable Fluctuations in Stock Prices

大坂元久

Applied Mathematics 10(6) 383-396 2019年6月査読有り
186

A Probabilistic Method to Determine Whether the Speed of Light Is Constant

大坂元久

Applied Mathematics 10(2) 51-59 2019年2月査読有り
178

Probability Theory Predicts That Group Survival May Be Guaranteed for Groups with More Than 10 Elements

大坂元久

Applied Mathematics 8(12) 1745-1760 2017年12月査読有り
268

Modified Kuramoto Phase Model for Simulating Cardiac Pacemaker Cell Synchronization

大坂元久

Applied Mathematics 8(9) 1227-1238 2017年9月査読有り
Frequency analysis of surface electrocardiograms (ECGs) in patients with persistent atrial fibrillation: Correlation with the intracardiac ECGs and implications for radiofrequency catheter ablation

Shunsuke Uetake, Yasushi Miyauchi, Motohisa Osaka, Meiso Hayashi, Yu-Ki Iwasaki, Kenji Yodogawa, Tsutomu Horie, Ippei Tsuboi, Hiroshi Hayashi, Kenta Takahashi …

Journal of Arrhythmia 30(6) 453-459 2014年12月1日査読有り
Sudden cardiac arrest recorded during Holier monitoring: Prevalence, antecedent electrical events, and outcomes

Eiichi Watanabe, Teruhisa Tanabe, Motohisa Osaka, Akiko Chishaki, Bonpei Takase, Shinichi Niwano, Ichiro Watanabe, Kaoru Sugi, Takao Katoh, Kan Takayanagi …

HEART RHYTHM 11(8) 1418-1425 2014年8月査読有り
Age-adjusted level of circulating elastin as a cardiovascular risk factor in medical check-up individuals

Hiroyuki Yamanaka, Motohisa Osaka, Morimasa Takayama, Kazuo Munakata, Jun Nejima, Masahiko Katayama

JOURNAL OF CARDIOVASCULAR MEDICINE 15(5) 364-370 2014年5月査読有り
Proposal of an improved relative risk measure that estimates prevention as well as promotion of disease

大坂元久

Bulletin of Nippon Veterinary and Life Science University 63(63) 67-70 2014年査読有り
Probability theory predicts that chunking into groups of three or four items increases short-term memory capacity

大坂元久

Applied Mathematics 5(10) 1474-1484 2014年査読有り
A modified FitzHugh-Nagumo model for cardiac instabilities: The replacement of a conductance variable with Ca current as a slow variable

Motohisa Osaka

AIP Conference Proceedings 1518 571-578 2013年査読有り
Importance of rostral ventrolateral medulla neurons in determining efferent sympathetic nerve activity and blood pressure

Hiroo Kumagai, Naoki Oshima, Tomokazu Matsuura, Kamon Iigaya, Masaki Imai, Hiroshi Onimaru, Katsufumi Sakata, Motohisa Osaka, Toshiko Onami, Chie Takimoto …

HYPERTENSION RESEARCH 35(2) 132-141 2012年2月査読有り
Spatiotemporal patterns of endangered species roadkill: Iriomote cat-vehicle collisions.

大坂元久

The Bulletin of Nippon Veterinary and Life Science University 61(61) 51-59 2012年査読有り
A MODIFIED CHUA CIRCUIT SIMULATES A V-SHAPED TROUGH IN AUTONOMIC ACTIVITY AS A PRECURSOR OF SUDDEN CARDIAC DEATH

Motohisa Osaka

INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS 21(9) 2713-2722 2011年9月査読有り

MISC

Potentiated sympathetic nervous and renin-angiotensin systems reduce nonlinear correlation between sympathetic activity and blood pressure in conscious spontaneously hypertensive rats

K Sakata, H Kumagai, M Osaka, T Onami, T Matsuura, M Imai, T Saruta

CIRCULATION 106(5) 620-625 2002年7月
Quantitative analysis of termination of vagally induced canine atrial fibrillation by mutual information

S Shimizu, M Osaka, H Saitoh, H Atarashi, T Takano

JAPANESE CIRCULATION JOURNAL-ENGLISH EDITION 65(2) 111-116 2001年2月
Local box-counting to determine fractal dimension of high-order chaos

M Osaka, N Ito

INTERNATIONAL JOURNAL OF MODERN PHYSICS C 11(8) 1519-1526 2000年12月
Symbolic Strings and Spatial 1/f Spectra 「(共著)」

Physica D 125(1/2) 142-154 1999年
Depressed Heart Rate Variability and Arterial Baroreflex in Conscious Transgenic Mice with Overexpression of Cardiac Gsa 「(共著)」

Circulation Research 82 416-423 1998年
T-wave alternans and dispersion of the QT interval as risk stratification markers in patients susceptible to sustained ventricular arrythmias

ARMOUNDAS AA.

Am J Cardiology 82(9) 1127-1129 1998年
Mutual Information Discloses Relationship Between Hemodynamic Variables in Artificial Heart-implanted Dogs 「(共著)」

American Journal of Physiology 275 H1419-H1433 1998年
Relationship of Circadian Rhythm of Ventricular Premature Beats with Sudden Cardiac Death 「(共著)」

Therapentic Research 19 253-256 1998年
Nonlinear pattern analysis of ventricular premature beats by mutual information

M Osaka, H Saitoh, T Yokoshima, H Kishida, H Hayakawa, RJ Cohen

METHODS OF INFORMATION IN MEDICINE 36(4-5) 257-260 1997年12月
Changes in Autonomic Activity Preceding Onset of Nonsustained Ventricular Tachycardia

Motohisa Osaka, Hirokazu Saitoh, Noriko Sasabe, Hirotsugu Atarashi, Takao Katoh, Hirokazu Hayakawa, Richard J. Cohen

Annals of Noninvasive Electrocardiology 1(1) 3-11 1996年
DEVELOPMENTAL CHANGES OF ALPHA(1)-ADRENERGIC CHRONOTROPIC ACTION ON HUMAN SINUS NODE

H SAITOH, A NOMURA, M OSAKA, N SASABE, H ATARASHI, H HAYAKAWA

AMERICAN JOURNAL OF CARDIOLOGY 76(1) 89-91 1995年7月
DISTINGUISHING CARDIAC RANDOMNESS FROM CHAOS

M OSAKA, KH CHON, RJ COHEN

JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY 6(6) 441-442 1995年6月
Mutual Information Analysis of Temporal Patterns of Occurrence of Ventricular Premature Beats 「(共著)」

Proceedings of 17th Annual International Conference of IEEE Engineering in Medicine & Biology Society 177-178 1995年
Detection of Nonlinearity in Temporal Patterns of Ventricular Premature Beats 「(共著)」

Computers in Cardiology 349-352 1995年
Characteristics of Sustained Ventricular Fibrillation in Rat by the Use of Power Spectrum Analysis of Electro cardiograms 「(共著)」

Therapeutic Research 15 1509-1512 1994年
心房粗動において奇数の伝導比がまれなのは何故か-確率論的モデルによる検討- 「(共著)」

心臓ペ-シング 9 151-157 1993年
Circadian Rhythm of Heart Rate Variability on Fractal Dimension 「(共著)」

Therapeutic Research 14 1615-1619 1993年
Why are Odd Number AV Conduction Ratios Rare in Atrial Flutter?

Japanese Journal of Cardiac Pacing and Electrophysiology 9 151-157 1993年
A New Method of Rhythm Analysis Using Akaike Information Criterion 「(共著)」

Therapeutic Research 14 4368-4373 1993年
Correlation Dimension of Heart Rate Variability : A New Index of Human Autonomic Function 「(共著)」

Frontiers of Medical and Biological Engineering 5 289-300 1993年

大坂元久

基本情報

研究キーワード

研究分野

学歴

受賞

論文

MISC

所属学協会

共同研究・競争的資金等の研究課題

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