Lenzenweger Mark F, Maher Brendan A
Department of Psychology, Harvard University, Cambridge, Massachusetts 02138, USA.
J Abnorm Psychol. 2002 Nov;111(4):546-55. doi: 10.1037//0021-843x.111.4.546.
Motor abnormalities have long been a focus in discussions of schizophrenia. The present study used a newly developed line drawing task to examine fine motor performance and psychometrically assessed schizotypy in a large, randomly ascertained sample of young adults (N = 120) with no history of psychosis. Poor motor performance on the line drawing task, indexed by root-mean-square error (RMS), was significantly related to 4 separate psychometric measures of schizotypy in the overall sample. The psychometric schizotypy-RMS association remained significant for 2 of the schizotypy measures even when the effects of intellectual functioning, mental state factors, and sustained attention were statistically controlled in a regression analysis. The status of the line drawing index as a schizophrenia liability measure is discussed.
运动异常长期以来一直是精神分裂症讨论的焦点。本研究使用一项新开发的线条绘制任务来检查精细运动表现，并在一个无精神病病史的大型随机抽样年轻成年人样本（N = 120）中对精神分裂症型人格进行了心理测量评估。以均方根误差（RMS）为指标，线条绘制任务中的运动表现不佳与整个样本中精神分裂症型人格的4项独立心理测量指标显著相关。即使在回归分析中对智力功能、精神状态因素和持续注意力的影响进行了统计控制，线条绘制任务中的均方根误差与精神分裂症型人格的2项测量指标之间的关联仍然显著。本文讨论了线条绘制指标作为精神分裂症易感性测量指标的地位。
