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        검색결과 1

        1.
        2015.11 KCI 등재 서비스 종료(열람 제한)
        Purpose: The purpose of this study was to determine whether yaw head rotational reaction time and premotor time to visual stimuli in central and peripheral visual fields would improve with practice. Method: The task was to make a complete horizontal head rotation regardless of target eccentricity in two response conditions: TOWARD and AWAY conditions. In the TOWARD condition subjects rotated their head in the direction ipsilateral to target appearance for a congruent S-R response. In the AWAY condition subjects rotated their head contralateral to target appearance for an incongruent S-R response. All subjects participated in the following sequence of testing and training: (1) Pre-test, (2) Training (6 days over 2 weeks), and (3) Post-test. Measures associated with yaw head rotations involved with reaction time, premotor time and electromechanical delay. Results: Results revealed shorter yaw head rotation RT in TOWARD and AWAY conditions after 6 days of practice in TOWARD and AWAY conditions. We found the greater observations especially for the centrally placed target. Conclusion: These results suggest greater performance improvements were observed for most subjects when practice and testing were within the same condition, indicating support for the well-known learning specificity phenomena.