| 2011 | SMC | Study of relations between the elderly and the care workers in the welfare facilities for the elderly, using non linear analysis of finger plethysmograms. | Yoko Hirohashi, Mayumi Oyama-Higa, Sang-jae Lee |
| 2010 | SMC | Effect of anesthesia on chaotic dynamics in finger plethysmograms. | Junji Kojima, Tiejun Miao, Mayumi Oyama-Higa |
| 2010 | SMC | Chaos in plethysmograms during tracking chaos. | Tiejun Miao, Mayumi Oyama-Higa, Reika Sato |
| 2010 | SMC | Consideration for improvement of demetia that uses communications. | Mayumi Oyama-Higa, Yoko Hirohashi, Tiejun Miao |
| 2010 | SMC | A time series change of biological information through chaos analysis in finger pulse waves after taking medicine with circulatory disease. | Junko Tsujino, Mayumi Oyama-Higa |
| 2009 | ICSoft | Effect of Anesthesia on Chaotic Dynamics in Finger Plethysmograms. | Mayumi Oyama-Higa, Tiejun Miao, Akira Imanishi, Junji Kojima |
| 2008 | ICSoft | Verification of Effect of Music and Animal Therapy on Psychiatric Care by using a Nonlinear Analysis of Pulse Waves. | Junji Kojima, Mayumi Oyama-Higa |
| 2008 | ICSoft | Relationship Between Fractal Dimension and Sensitivity Index of Product Packaging. | Mayumi Oyama-Higa, Tiejun Miao |
| 2008 | ICSoft | A Mental Health Self-Check System using Nonlinear Analysis of Pulse Waves. | Mayumi Oyama-Higa, Kazuo Sato, Kazuyoshi Tanaka, Takahiro Miyagi |
| 2008 | SMC | The use of a non-linear analysis of pulse waves to measure the impact of music therapy and animal therapy on psychiatric care. | Yoko Hirohashi, Mayumi Oyama-Higa |
| 2008 | SMC | What affects the Lyapunov exponents of finger plethysmogram? | Akira Imanishi, Mayumi Oyama-Higa |
| 2008 | SMC | Is the perceived agreeability of a face related to the fractal dimension of the face? | Yasuo Itoh, Mayumi Oyama-Higa, Tiejun Miao |
| 2008 | SMC | Fluctuation analysis of finger plethysmograms related to various conditions. | Tiejun Miao, Yumi Ogura, Etsunori Fujita, Mayumi Oyama-Higa |
| 2008 | SMC | Chaos in ear plethysmograms: Tracking experiment and a model. | Tiejun Miao, Toshiyuki Shimizu, Hitoshi Makabe, Mayumi Oyama-Higa, Kazuyoshi Sakamoto |
| 2008 | SMC | A mental health self-check system using nonlinear analysis of pulse waves. | Takahiro Miyagi, Yasuo Shirai, Kazuyoshi Tanaka, Fumiyasu Yamada, Kazuo Sato, Mayumi Oyama-Higa |
| 2008 | SMC | Relationship between fractal dimension and sensitivity index of product packaging. | Mayumi Oyama-Higa, Tiejun Miao |
| 2008 | SMC | Measurement of ear pulse waves in children: Effect of facing another child and relationship to an action index. | Junko Tsujino, Mayumi Oyama-Higa, Mitsuko Tanabiki |
| 2007 | ICSoft | Development of a Self-Check System for Mental Health Using a Pulse Wave Mouse . | Mayumi Oyama-Higa, Teijyu Miao, Kazuo Sato, Kazuyoshi Tanaka, Huaichang Cheng |
| 2007 | SMC | On the largest lyapunov exponents of finger plethysmogram and heart rate under anxiety, fear, and relief states. | Akira Imanishi, Mayumi Oyama-Higa |
| 2007 | SMC | Relationship between image gaze location and fractal dimension. | Masayushi Nagai, Mayumi Oyama-Higa, Teijun Miao |
| 2007 | SMC | Possibility of mental health self-checks using divergence of pulse waves. | Mayumi Oyama-Higa, Teijun Miao, Junko Tsujino, Akira Imanishi |
| 2006 | SMC | The Relation between Observers' Psychophysiological Conditions and Human Errors during Monitoring Task. | Akira Imanishi, Mayumi Oyama-Higa |
| 2006 | SMC | Modelling Plethysmogram Dynamics based on Baroreflex under Higher Cerebral Influences. | Tiejun Miao, Osamu Shimoyama, Mayumi Oyama-Higa |
| 2006 | SMC | Fractal Analysis of Facial Skin Thermogram due to Mental Tasks. | Tiejun Miao, Osamu Shimoyama, Toshiyuki Shimizu, Mayumi Oyama-Higa |
| 2006 | SMC | Discovery and Application of New Index for Cognitive Psychology. | Mayumi Oyama-Higa, Tiejun Miao |
| 2006 | SMC | Analysis of dementia in aged subjects through chaos analysis of fingertip pulse waves. | Mayumi Oyama-Higa, Teijun Miao, Yuko Mizuno-Matsumoto |
| 2006 | SMC | Does a Mother's Attachment to Her Child Affect Biological Information provided by the Child? -Chaos analysis of fingertip pulse waves of children. | Mayumi Oyama-Higa, Junko Tsujino, Mitsuko Tanabiki |
| 2006 | SMC | Detecting Problem Behavior in Children from Biological Signals: Validation through Chaos Analysis. | Junko Tsujino, Mayumi Oyama-Higa, Mitsuko Tanabiki |
| 2005 | ICNC | Representation of a Physio-psychological Index Through Constellation Graphs. | Mayumi Oyama-Higa, Tiejun Miao |