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Dive into the research topics where Ken Akashi is active.

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Featured researches published by Ken Akashi.


Electrical Engineering in Japan | 2000

Neck electrical impedance for measurement of swallowing

Yoshitake Yamamoto; Takao Nakamura; Yasuhiko Seki; Kinya Utsuyama; Ken Akashi; Kazuaki Jikuya

Recently, videofluorography has been used for evaluation of swallowing function in the rehabilitation field. But it is not easy to evaluate swallowing disorders simply. In addition, there are problems of exposure for daily use. We have proposed a measurement method of swallowing using bioelectrical impedance (impedance pharyngography, IPG) which has advantages of easy handling and noninvasive measurement. Appropriate electrode position have been determined. The waveforms of IPG can be obtained with some extent reproducibility. The change of neck electrical impedance in the pharyngeal phase is mainly caused by the changes of equivalent cross sectional area near the epiglottis. The possibilities of applications for clinical diagnosis have been shown.


Ieej Transactions on Fundamentals and Materials | 1998

Neck Electrical Impedance for Measurement of Swallowing

Yoshitake Yamamoto; Takao Nakamura; Yasuhiko Seki; Kinya Utsuyama; Ken Akashi; Kazuaki Jikuya


The Japanese Journal of Rehabilitation Medicine | 1999

The Incrementing Responses of Compound Muscle Action Potentials (Waxing Phenomenon) in Normal Subjects

Sadanori Kawamoto; Akio Tsubahara; Aoi Fujita; Ken Akashi


The transactions of the Institute of Electrical Engineers of Japan.A | 1998

Welfare Supported Engineering toward Aging Society. Neck Electrical Impedance for Measurement of Swallowing

Yoshitake Ymamoto; Takao Nakamura; Yasuhiko Seki; Kinya Utsuyama; Ken Akashi; Kazuaki Jikuya


IEICE technical report. ME and bio cybernetics | 1998

Pendulum Test model for Estimating Phasic α-Moter System Excitability and γ-Moter System Excitability Separately

Kazuaki Jikuya; Tokumi Yokohira; Takuji Okamoto; Ken Akashi


IEICE technical report. ME and bio cybernetics | 1996

Method to Estimate the Phisical and Mental Workloads due to Motorcycle Riding Using R-R Intervals of Electrocardiogram based on the Analysis of the Logistic Regression Model

Shigeki Nakagiri; Yoshitake Yamamoto; Takao Nakamura; Yasuhiko Seki; Ken Akashi; Kazuaki Jikuya


Electroencephalography and Clinical Neurophysiology\/electromyography and Motor Control | 1995

PS-44-3 Electrophysiological investigation on brachial plexus lesions in hemiplegic patients; nerve conduction studies using magnetic coil stimulation

Yasuhiko Seki; Akio Tsubahara; Yoshihisa Tsukamoto; Masaki Ise; Ken Akashi


Electroencephalography and Clinical Neurophysiology\/electromyography and Motor Control | 1995

PS-44-2 Nerve conduction studies using magnetic stimulation of the brachial plexus

Akio Tsubahara; Yoshihisa Tsukamoto; Yasuhiko Seki; Masaki Ise; Ken Akashi


Electroencephalography and Clinical Neurophysiology\/electromyography and Motor Control | 1995

PS-44-10 Utility of magnetic stimulation for ulnar nerves conduction studies

Yoshihisa Tsukamoto; Akio Tsubahara; Yasuhiko Seki; Masaki Ise; Ken Akashi


The Japanese Journal of Rehabilitation Medicine | 1993

The Reasons for Interruption of Rehabilitation in Patients with Traumatic Spinal Cord Injury

Masahiro Nagaya; Ken Akashi; Masaki Ise; Yoshihisa Tsukamoto; Tomoyuki Honda; Masayasu Mizuno; Susumu Takenaka

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Masaki Ise

Kawasaki Medical School

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Aoi Fujita

Kawasaki Medical School

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