Ronga I, Franza M, Sarasso P, Neppi-Modona M
SAMBA (SpAtial, Motor & Bodily Awareness) Research Group, Department of Psychology, University of Turin, Via Po, 14, 10123, Torino, Italy.
Exp Brain Res. 2017 Jun;235(6):1771-1780. doi: 10.1007/s00221-017-4923-6. Epub 2017 Mar 17.
Visuomotor prismatic training has been demonstrated to be among the most effective rehabilitative techniques of spatial neglect, a neurological syndrome manifested by a number of right brain-damaged patients characterized by unawareness of the egocentric left half of the world. In the present study, we demonstrate that a novel oculomotor prismatic training procedure only consisting in a sequence of gaze shifts to visual targets, can reduce spatial neglect symptoms. Following oculomotor prismatic training, patients show a significant decrease in neglect severity in straight ahead and paper and pencil tasks. We propose that during oculomotor prismatic training, the inconsistency between the prisms-biased visual/oculomotor input and the unbiased head-on-trunk proprioceptive information relative to the straight-ahead position determines the observed aftereffects and the amelioration of spatial neglect symptoms.
视觉运动棱镜训练已被证明是治疗空间忽视最有效的康复技术之一，空间忽视是一种神经综合征，许多右脑损伤患者会出现这种症状，其特点是对自身中心左侧的世界缺乏意识。在本研究中，我们证明了一种新颖的动眼棱镜训练程序，该程序仅包括一系列向视觉目标的注视转移，可减轻空间忽视症状。动眼棱镜训练后，患者在直视和纸笔任务中的忽视严重程度显著降低。我们提出，在动眼棱镜训练期间，棱镜偏向的视觉/动眼输入与相对于正前方位置的无偏差头-躯干本体感觉信息之间的不一致决定了观察到的后效应和空间忽视症状的改善。
