PERCEPTION AND DISCRIMINATION OF FACIAL EMOTION IN MENTAL RETARDATION

精神发育迟滞中面部情绪的感知和辨别

• 批准号: 6108541
• 负责人: STEPHEN OROSS
• 金额: $ 11.1万
• 依托单位: EUNICE KENNEDY SHRIVER CTR MTL RETARDATN
• 依托单位国家: 美国
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-05-01 至 2000-04-29
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6108541
• 关键词: adolescence (12-20); association learning; auditory stimulus; behavior test; behavioral /social science research tag; clinical research; comprehension; computer assisted instruction; discrimination learning; emotions; evoked potentials; face expression; functional magnetic resonance imaging; human subject; mental retardation; mental retardation education /training; middle childhood (6-11); neural information processing; psychometrics; sensory discrimination; visual perception; visual stimulus; young adult human (21-34)

This project proposes a program of research that combines visual neuroscience and behavior analytic perspectives to investigate facial emotion understanding in individuals with mental retardation. With the new technologies available, research that has been conducted to examine these questions with young children an clinical populations can now be applied to the field of mental retardation. There is also a wealth of work on the general topic of stimulus control with individuals with mental retardation but those studies have so far, had little influence on research that seeks to understand the basic processes involved in the understanding of facial expression. We will draw from these conceptual and procedural traditions to refine existing methods and develop new ones to examine the nature of facial discriminations and facial emotion understanding in individuals with severe intellectual disabilities. A further goal of this project is to examine ways to establish facial emotion discrimination in individuals who exhibit specific difficulties with these skills. Thus, the methods are directly related to the issue of remediation. The Specific Aims are to: (1) Ascertain the ability to discriminate faces on the basis of identity and emotional expression in populations of individuals with mild to severe levels of mental retardation and typically developing children. (2) Examine methods to remediate deficits in facial identify or emotional expression discriminations. (3) Determine the visual information and scanning strategies that are used to discriminate among facial emotion expression. (4) Evaluate the classification of emotional expression across stimulus modalities (line drawings, color photographs, and full motion video). (5) Examine methods to remediate deficits in classification across modalities. (6) Assess the receptive and expressive understanding of verbal labels that refer to specific emotions. (7) Examine methods to remediate deficits in associating verbal label with specific emotions. (8) Contrast neural processing in individuals with and without mental retardation who are able to successfully discriminate facial emotion expressions, and refine the methods that will be needed to explore issues of neural processing in individuals who experiences difficulties in understanding facial emotion expressions.

该项目提出了一项研究计划，结合视觉神经科学和行为分析的观点来研究智力低下个体的面部情绪理解。随着新技术的出现，针对幼儿和临床人群检查这些问题的研究现在可以应用于精神发育迟滞领域。关于精神发育迟滞个体的刺激控制这一一般主题也有大量的工作，但迄今为止，这些研究对寻求了解面部表情理解所涉及的基本过程的研究影响甚微。我们将借鉴这些概念和程序传统来完善现有方法并开发新方法来研究严重智力障碍人士的面部歧视和面部情绪理解的本质。该项目的另一个目标是研究如何在这些技能上表现出特定困难的个人中建立面部情绪歧视。因此，方法与修复问题直接相关。具体目标是： (1) 确定轻度至重度智力低下人群和正常发育儿童中基于身份和情感表达的面孔识别能力。 (2) 研究修复面部识别或情绪表达歧视缺陷的方法。 (3)确定用于区分面部情绪表达的视觉信息和扫描策略。 (4) 评估不同刺激方式（线条画、彩色照片和全动态视频）的情绪表达分类。 (5) 检查纠正跨模态分类缺陷的方法。 (6) 评估对涉及特定情绪的言语标签的接受性和表达性理解。 (7) 检查纠正将言语标签与特定情绪相关联的缺陷的方法。 (8) 对比能够成功区分面部情绪表达的智力迟钝个体和正常个体的神经处理，并完善探索在理解面部情绪表达方面有困难的个体的神经处理问题所需的方法。