Leekam S R, Perner J
Institute of Social and Applied Psychology, University of Kent, Canterbury, U.K.
Cognition. 1991 Sep;40(3):203-18. doi: 10.1016/0010-0277(91)90025-y.
This study examines the claim that autistic children lack a "theory of mind" because of an inability to metarepresent. We argue that if autistic children have a "metarepresentational" deficit in Leslie's (1987, 1988) sense of the term, then they should have difficulty not only with mental representations such as false beliefs, but also with external representations such as photographs. Autistic children's understanding of photographic representations was tested using Zaitchik's (1990) task. This task is modelled on the false belief task (Baron-Cohen, Leslie, & Frith, 1985; Wimmer & Perner, 1983) but involves "false" photographs where a photographic representation does not conform with the current state of the real world. Like Zaitchik (1990) we found that normal 3 and 4-year-olds found this task as difficult as the false belief task. In sharp contrast, however, the autistic children in our study passed the photograph task but failed the false belief task. As both tasks require the ability to decouple, this evidence challenges the view that autistic children lack "metarepresentational" ability in Leslie's sense. However, the results leave open the question of whether autistic children have a metarepresentational ability in the different sense of the term intended by Pylyshyn (1978), that is, representing the relationship between a representation and what it represents.
本研究考察了一种观点,即自闭症儿童由于缺乏元表征能力而没有“心理理论”。我们认为,如果自闭症儿童在莱斯利(1987年、1988年)所定义的术语意义上存在“元表征”缺陷,那么他们不仅在诸如错误信念等心理表征方面会有困难,而且在诸如照片等外部表征方面也会有困难。我们使用扎伊奇克(1990年)的任务测试了自闭症儿童对照片表征的理解。该任务是基于错误信念任务(巴伦 - 科恩、莱斯利和弗里思,1985年;维默和佩尔纳,1983年)构建的,但涉及“错误”照片,即照片表征与现实世界的当前状态不符。与扎伊奇克(1990年)一样,我们发现正常的3岁和4岁儿童觉得这个任务与错误信念任务一样困难。然而,形成鲜明对比的是,我们研究中的自闭症儿童通过了照片任务,但未能通过错误信念任务。由于这两个任务都需要去耦能力,这一证据对自闭症儿童在莱斯利意义上缺乏“元表征”能力的观点提出了挑战。然而,研究结果并未解决自闭症儿童是否具有皮利欣(1978年)所指的不同意义上的元表征能力这一问题,即表征一个表征与其所表征内容之间的关系。