Atsuo MURATA


Evaluation of Shoulder Muscular Fatigue Induced during Mouse Operation in a VDT Task
Atsuo MURATA Hiroshi ISHIHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/02/01
Vol. E88-D  No. 2  pp. 223-229
Type of Manuscript:  PAPER
Category: Rehabilitation Engineering and Assistive Technology
Keyword: 
muscular fatigueEMGtrapezius musclemean power frequency (MPF)amplitude probability distribution function (APDF)%MVC-shift
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Chaotic Analysis of Focal Accommodation and Pupil Area during the VDT Work
Hirokazu IWASE Masatoshi KITAOKA Juvy BALINGIT Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/09/01
Vol. E87-D  No. 9  pp. 2258-2261
Type of Manuscript:  LETTER
Category: Software Engineering
Keyword: 
accommodationpupil areachaotic analysisfractal dimensionfirst Lyapunov exponent
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Evaluation of Cognitive Function Using Event-Related Potential (P300 and CNV): Comparison among Young, Middle-Aged, and Elderly People
Atsuo MURATA Takashi SORA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/04/01
Vol. E87-D  No. 4  pp. 992-996
Type of Manuscript:  PAPER
Category: Rehabilitation Engineering and Assistive Technology
Keyword: 
P300CNVaginglatencyamplitude
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Comparison of Efficiency in Key Entry among Young, Middle-Aged and Elderly Groups: Effects of Aging and Size of Keyboard Letters on Work Efficiency
Atsuo MURATA Yoshitomo OKADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/04/01
Vol. E87-D  No. 4  pp. 985-991
Type of Manuscript:  PAPER
Category: Human-computer Interaction
Keyword: 
keyboardsize of keyboard letteragingefficiencycomputer experience
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Empirical Study on the Improvement of the Usability of a Touch Panel for the Elderly--Comparison of Usability between a Touch Panel and a Mouse--
Hirokazu IWASE Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Vol. E86-D  No. 6  pp. 1134-1138
Type of Manuscript:  LETTER
Category: Software Engineering
Keyword: 
elderly personagingtouch panelperformance modelFitts' law
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Design Proposals to Assist Older Adults in Using a Computer Mouse
Hirokazu IWASE Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/01/01
Vol. E86-D  No. 1  pp. 141-145
Type of Manuscript:  LETTER
Category: Welfare Engineering
Keyword: 
agingelderly personPC mouseperformance modelFitts' law
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Chaotic Features of Rhythmic Joint Movement
Hirokazu IWASE Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/07/01
Vol. E85-D  No. 7  pp. 1175-1179
Type of Manuscript:  LETTER
Category: Medical Engineering
Keyword: 
rhythmic movementchaotic analysisfractal dimensionLyapunov exponent
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Application of Chaotic Dynamics in EEG to Assessment of Mental Workload
Atsuo MURATA Hirokazu IWASE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/08/01
Vol. E84-D  No. 8  pp. 1112-1119
Type of Manuscript:  PAPER
Category: Medical Engineering
Keyword: 
mental workloadEEGlargest Lyapunov exponentfractal dimensionattractor plot
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Evaluation of Mental Workload by Variability of Pupil Area
Atsuo MURATA Hirokazu IWASE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/05/25
Vol. E83-D  No. 5  pp. 1187-1190
Type of Manuscript:  LETTER
Category: Medical Engineering
Keyword: 
pupil areaautonomic nervous systemblood pressure variationrespiratory sinus arrhythmiamental workload
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On Information Dumping Phenomenon in Free Recall Effects of Priority Instructions on Free Recall of Pictures and Words
Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/09/25
Vol. E80-A  No. 9  pp. 1729-1731
Type of Manuscript:  LETTER
Category: Human Communications and Ergonomics
Keyword: 
free recallmemorypriorityinformation dumping
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Assessment of Fatigue by Pupillary Response
Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/07/25
Vol. E80-A  No. 7  pp. 1318-1323
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
fatigue assessmentpupillary responsespupil diameterautonomic nervous systemcircadian rhythm
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Improvement of Performance by Method for Predicting Targets in Pointing by Mouse
Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/11/25
Vol. E78-A  No. 11  pp. 1537-1541
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1995 IEICE General Conference)
Category: 
Keyword: 
prediction of targetpointing timeprediction accuracysampling timenumber of sampling
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Experimental Discussion on Measurement of Mental Workload--Evaluation of Mental Workload by HRV Measures--
Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/02/25
Vol. E77-A  No. 2  pp. 409-416
Type of Manuscript:  PAPER
Category: Ergonomics and medical Engineering
Keyword: 
mental workloadHeart Rate Variabilityrespiratory sinus arrhythmiaFIR digital filterAR model
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Effects of Grouping and Addressing Methods on Performance in a Location Task--Investigation of Grouping Addressing Interaction--
Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/02/25
Vol. E76-A  No. 2  pp. 225-230
Type of Manuscript:  PAPER
Category: Human Communication
Keyword: 
groupingaddressing methodlocation taskinteraction
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