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Comparison of the Efficiency of Sensory Systems Involved in Postural Control of the Congenitally Deaf and Blind
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Javad Shavikloo *   1, Khadijeh Irandoust2 , Aliasghar Norasteh1 , Hassan Daneshmandi1 |
1- Department of Corrective Exercises and Sports Injuries, School of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran
2- Department of Sport Sciences, School of Social Sciences, Imam Khomeini International University, Qazvin, Iran |
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Abstract: (3597 Views) |
| Objective: The aim of this study was to compare the efficiency of sensory systems involved in postural control of the congenitally deaf and blind. Method: The statistical population of the present cross-sectional study included all the congenitally deaf and blind people in Qazvin, Iran, from among whom, 21 congenital deaf students (11 boys and 10 girls) and 19 congenitally blind students (10 boys and 9 girls) were selected through purposive sampling according to the inclusion criteria. Nashner’s postural control test was used to measure the performance of each sensory system involved in postural control. Data were analyzed by an independent t-test using SPSS (p≤0.05). Results: In the situation without sensory interference (p=0.003) and in the predominance of the visual system (p=0.004), the deaf group had a better balance function. However, in the predominance of the somatosensory system (p=0.001) and the vestibular system (p=0.001), the blind showed better performance. Conclusion: It seems that, in the absence of the visual system, blind people have the most dependence on the somatosensory system, and deaf people rely on the data from visual information to maintain greater balance, with the somatosensory system playing a secondary role in these individuals. |
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| Keywords: Somatosensory, Visual system, Vestibular system, Congenitally deaf and blind |
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Full-Text [PDF 313 kb]
(3071 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2018/04/24 | Accepted: 2019/06/9 | Published: 2019/06/22
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