Lillo J, Vitini I, Caballero A, Moreira H
Dpto. Psicología Diferencial y del Trabajo, Facultad de Psicología, Universidad Complutense de Madrid, Campus de Somosaguas 28023, Madrid, Spain.
Span J Psychol. 2001 May;4(1):26-36. doi: 10.1017/s113874160000562x.
Thirty macular dichromat children (12 protanopes + 18 deuteranopes) and 29 controls, between 5 and 9 years old, participated in a monolexemic denomination task. Their clinical status was determined after a repeated application of a chromatic test set (Ishihara, CUCVT, and TIDA). The stimuli to be named were 12 tiles from the Color-Aid set belonging to the green, blue, and purple basic categories. Results showed that: (a) Dichromats made more naming errors when low saturation stimuli were used; (b) protanopes made more errors that deuteranopes; and (c) pseudoisochromatic lines predicted accurately the type of most frequent naming errors but they underestimated macular dichromats' functional capacity to name colors. Results are consistent with a model of macular dichromats' vision that hypothesizes a residual third type of cone in the periphery of the retina. Implications of this fact for everyday use of colors by macular dichromats' and for the validity of standard clinical diagnoses are discussed.
30名黄斑二色视儿童（12名红色盲 + 18名绿色盲）和29名5至9岁的对照儿童参与了一项单字命名任务。在重复应用一套色盲测试（石原氏色盲测试、CUCVT测试和TIDA测试）后，确定了他们的临床状况。待命名的刺激物是来自Color-Aid套装的12块瓷砖，属于绿色、蓝色和紫色基本类别。结果表明：（a）当使用低饱和度刺激物时，二色视者的命名错误更多；（b）红色盲者比绿色盲者犯的错误更多；（c）伪等色线准确地预测了最常见命名错误的类型，但低估了黄斑二色视者命名颜色的功能能力。研究结果与黄斑二色视者的视觉模型一致，该模型假设视网膜周边存在残余的第三种视锥细胞。讨论了这一事实对黄斑二色视者日常颜色使用以及标准临床诊断有效性的影响。
