Sireteanu R, Kellerer R, Boergen K P
Hum Neurobiol. 1984;3(2):81-5.
In 74 infants, we tested the resolution of gratings centered at 10 degrees in the peripheral visual field. The estimation of acuity was based on the direction of the first saccade from a fixation stimulus toward a peripheral grating stimulus. We also tested the development of the infants' "best acuity", using a method of forced-choice preferential looking (68 infants). Peripheral acuity developed dramatically in the first months of life and reached a plateau at about 4 months. By contrast, "best acuity" continued to increase significantly during the second half of the first year of age. At all ages, peripheral acuity was lower than the resolution evaluated with the same stimuli under free-viewing conditions. We conclude that, in spite of the known immaturity of the fovea in newborns (Abramov et al. 1982), even the youngest infants we tested (2 months old) showed a functional superiority of the central over the peripheral visual field.
在74名婴儿中，我们测试了周边视野中以10度为中心的光栅分辨率。视力的估计基于从注视刺激到周边光栅刺激的首次眼跳方向。我们还使用强迫选择优先注视法（68名婴儿）测试了婴儿“最佳视力”的发展情况。周边视力在生命的最初几个月中显著发展，并在大约4个月时达到平稳状态。相比之下，“最佳视力”在一岁的后半期仍继续显著提高。在所有年龄段，周边视力均低于在自由观看条件下用相同刺激评估的分辨率。我们得出结论，尽管已知新生儿的中央凹不成熟（Abramov等人，1982年），但我们测试的最年幼婴儿（2个月大）也显示出中央视野相对于周边视野的功能优势。
