Shumway-Cook A, Horak F, Black F O
Neurological Sciences Institute, Good Samaritan Hospital and Medical Center, Portland, OR 97209.
Int J Pediatr Otorhinolaryngol. 1987 Nov;14(1):21-30. doi: 10.1016/0165-5876(87)90046-2.
This study examined the role of the vestibular system in balance and coordination problems found in motor-impaired, learning-disabled (LD) children. Vestibulo-ocular reflex (VOR) and vestibulo-spinal tests (moving platform posturography) were performed on 15 learning disabled and 54 normal children. Twelve LD children had normal VOR scores suggesting normal peripheral vestibular inputs. All 15 LD children had abnormal posturography. Motor-impaired LD children could not appropriately integrate vestibular information with visual and somatosensory inputs for postural orientation. Results suggest that the best discriminator of abnormal sensorimotor function in LD children are posturography trials requiring orientation to gravity despite absent or inaccurate visual and somatosensory cues, rather than traditionally relied on VOR and Romberg tests.
本研究探讨了前庭系统在运动障碍、学习障碍（LD）儿童所出现的平衡及协调问题中所起的作用。对15名学习障碍儿童和54名正常儿童进行了前庭眼反射（VOR）和前庭脊髓测试（移动平台姿势描记法）。12名LD儿童的VOR分数正常，提示外周前庭输入正常。所有15名LD儿童的姿势描记法结果均异常。运动障碍的LD儿童无法将前庭信息与视觉和体感输入进行适当整合以进行姿势定向。结果表明，对于LD儿童异常感觉运动功能的最佳鉴别指标是姿势描记法测试，即在视觉和体感线索缺失或不准确的情况下仍需根据重力进行定向，而非传统上所依赖的VOR和罗姆伯格测试。
