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真太感谢loveme25了！！！
刚刚在仔细看了一下，感觉第一和第二段是从Russian blues reveal effects of language
on color discrimination 出来的，第三段是从下面出来的 （Language regions of brain are operative in color perception）
Recent neuropsychological investigations examining visual field asymmetries in the categorical perception (CP) of colors have provided a new perspective on Whorfian effects. In a study using a visual search task (7), adult English speakers were required to detect a single target color among 11 identical distractor colors. Response times for finding the target were faster when target and distractors were from 2 different lexical categories (e.g., a green target among blue distractors) than when target and distractors were from the same lexical category (e.g., a particular green among distractors of a different green), but only when the target was exposed in the right visual field (RVF). Because the RVF projects to the left cerebral hemisphere, the dominant hemisphere for language in most adults, and because the effect was eliminated by a concurrent task occupying verbal processing resources but not by an equally difficult task occupying nonverbal resources, the RVF CP finding suggests that the spontaneous use of lexical codes in the left hemisphere may be the origin of the differential visual hemifield response to colors. A subsequent study (9) with different tasks extended this result and showed stronger category effects (i.e., faster responses to between-category color pairs than to within-category color pairs) in the RVF than in the left visual field (LVF), although the LVF did show a significant, if weaker, category effect. A third study (12), testing a color term boundary in Korean that does not exist in English, found CP only in the RVF for relatively rapidly responding subjects but CP in both visual fields for slowly responding subjects and no CP at the Korean-only boundary for English-speaking subjects. The authors of that study suggest that LVF color CP in slower-responding adults probably reflects cross-callosal transfer; the same conclusion has been drawn elsewhere (14, 23). Hence it is possible that in normal adults, color CP is restricted to the left hemisphere, with apparent LVF CP an artifact of transcallosal transfer and/or scanning.  |
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发表于 2010-2-18 00:58:33
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