A syntactic analysis method for eye movements of vestibulo-ocular reflex.

In this study a computer method is described which is designed to recognize these eye movements originating from vestibulo-ocular reflex signals. The corresponding head movement signal measured concurrently with eye movements serves as the stimulation signal which is utilized in the pattern recognition process and in the computation of gain and phase shift parameters. The recognition method is syntactic with a formal grammar and language applied to terminal symbols into which the measured signals are transformed in a preprocessing phase of the method after filtering. After preliminary tests in an otoneurological laboratory the method seems to function correctly and accurately, and has been taken into use for eye movement investigations of patients suffering from otoneurological diseases.

[1]  H Aalto,et al.  A measurement system of head movements for the vestibulo-ocular reflex. , 1993, Medical progress through technology.

[2]  M Juhola,et al.  On identification of saccades from sinusoidal eye movement signals. , 1992, International journal of bio-medical computing.

[3]  D. O'leary,et al.  Use of active head movements for computerized vestibular testing. , 1987, Archives of otolaryngology--head & neck surgery.

[4]  M Juhola,et al.  Median filtering is appropriate to signals of saccadic eye movements. , 1991, Computers in biology and medicine.

[5]  Martti Juhola.  A syntactic method for analysis of saccadic eye movements , 1986, Pattern Recognit..

[6]  M Juhola.  A syntactic analysis method for sinusoidal tracking eye movements. , 1991, Computers and biomedical research, an international journal.

[7]  M Juhola.  A syntactic method for analysis of nystagmus and smooth pursuit eye movement. , 1988, Computer methods and programs in biomedicine.

[8]  J A Goebel,et al.  Utility of headshake versus whole-body VOR evaluation during routine electronystagmography. , 1992, The American journal of otology.

[9]  D. O'leary,et al.  High-frequency autorotational testing of the vestibulo-ocular reflex. , 1990, Neurologic clinics.

[10]  S Vesterhauge,et al.  A new and simple calibration of the electro-ocular signals for vestibulo-ocular measurements. , 1987, Aviation, space, and environmental medicine.