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Visual and auditory feedback for head tilt and torsion in a spasmodic torticollis patient
Authors:D W Harrison  J C Garrett  D Henderson  H E Adams
Affiliation:1. Faculty of Rehabilitation, Józef Piłsudski University of Physical Education in Warsaw, Warsaw, Poland;2. Professor A. Gruca Independent Public Research Hospital, Otwock Department of Orthopaedic Surgery, Centre of Postgraduate Medical Education, Poland;3. Institute of Physiotherapy, University of Rzeszów, Poland;4. Psychology Department, Warsaw University, Warsaw, Poland;1. Department of Psychiatry, Tainan Municipal An-Nan Hospital-China Medical University, No.66, Sec. 2, Changhe Rd., Annan Dist., Tainan City 709, Taiwan;2. Department of Nursing, I-Shou University, No.8, Yida Road, Jiaosu Village Yanchao District, Kaohsiung City 82445, Taiwan;3. Department of Geriatric Psychiatry, Jianan Psychiatric Center, Ministry of Health and Welfare, No.539, Yuzhong Rd., Rende Dist., Tainan City 71742, Taiwan;4. Department of Nursing, Shu-Zen Junior College of Medicine and Management, No.452, Huanqiu Rd. Luzhu Dist., Kaohsiung City 82144, Taiwan;5. Department of Psychiatry, College of Medicine, Kaohsiung Medical University, No.100, Shin-Chuan 1st Road, Sanmin Dist., Kaohsiung City 80708, Taiwan
Abstract:In the present study a single-case design is used to investigate the importance of body-position feedback for postural control in a case of spasmodic torticollis. A simple inexpensive device for quantifying and providing auditory or visual (LED) feedback for motor disorders was used to provide feedback directly contingent upon postural deviations of the head. Within each session forward head tilt declined to 0° with the onset of feedback. Between-session improvements in the absence of feedback were cumulative and approached 0° tilt by the fourth session. Following the attainment of postural control for forward head tilt in the absence of feedback, similar procedures were used to correct lateral head tilt. Both measures remained stable at 0° during a three-session reversal period during which no feedback was given.
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