Halligan P W, Marshall J C
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford.
Cortex. 1992 Dec;28(4):525-35. doi: 10.1016/s0010-9452(13)80225-0.
Six patients with unilateral right hemisphere damage are reported. Each patient performed two tasks that are traditionally regarded as diagnostic for left (peripersonal) visuospatial neglect: target cancellation and horizontal line bisection. Two patients were unimpaired on both tasks, and two were impaired on both. The two remaining patients showed a classic (and reliable) double-dissociation between the tasks. One of the patients who scored within normal limits on both cancellation and bisection showed left sided omissions on representational drawing. We argue that these results question the validity of any unitary concept of unilateral visuo-spatial neglect in peripersonal space.
报告了6例右侧半球单侧损伤的患者。每位患者都执行了两项传统上被视为诊断左侧（个人周边）视觉空间忽视的任务：目标消除和水平线段二等分。两名患者在两项任务中均未受损，两名患者在两项任务中均受损。其余两名患者在任务之间表现出典型（且可靠）的双重分离。在消除和二等分任务中得分均在正常范围内的一名患者在表象绘画中出现了左侧遗漏。我们认为，这些结果质疑了个人周边空间中单侧视觉空间忽视的任何单一概念的有效性。
