Stimulus eccentricity and stimulus-response compatibility during quick yaw head rotations: A test-retest reliability study

Document Type

Article

Publication Date

10-1-2011

Abstract

The purpose of this study was to describe the between day reliability of measurements for quick yaw head movements toward and away from visual stimuli placed at different eccentricities in the horizontal hemi-field. Results showed that primary measures of reaction time of yaw head rotation and reaction time of sternocleidomastoid muscle (SCM) activity had good to excellent agreement levels. Agreement levels for secondary measures varied from poor for the electromechanical delay of the SCM muscles to between fair and good for yaw head excursion to excellent for movement time and peak rotational velocity. These findings suggest that all but the electromechanical delay of the SCM muscles can be measured with an acceptable level of precision during rapid head rotational responses to visual stimuli located in the eccentric viewing field. © 2011 EuroJournals Publishing, Inc.

Publication Source (Journal or Book title)

European Journal of Scientific Research

First Page

518

Last Page

527

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