Norman J Farley, Adkins Olivia C, Norman Hideko F, Cox Andrea G, Rogers Connor E
Department of Psychological Sciences, Ogden College of Science and Engineering, Western Kentucky University, Bowling Green, KY 42101-2030, United States.
Department of Psychological Sciences, Ogden College of Science and Engineering, Western Kentucky University, Bowling Green, KY 42101-2030, United States.
Vision Res. 2015 Apr;109(Pt A):52-8. doi: 10.1016/j.visres.2015.02.007. Epub 2015 Feb 23.
The ability of 18 younger and older adults to visually perceive exocentric distances was evaluated. The observers judged the extent of fronto-parallel and in-depth spatial intervals at a variety of viewing distances from 50cm to 164.3cm. Most of the observers perceived in-depth intervals to be significantly smaller than fronto-parallel intervals, a finding that is consistent with previous studies. While none of the individual observers' judgments of exocentric distance were accurate, the judgments of the older observers were significantly more accurate than those of the younger observers. The precision of the observers' judgments across repeated trials, however, was not affected by age. The results demonstrate that increases in age can produce significant improvements in the visual ability to perceive the magnitude of exocentric distances.
对18名年轻和年长成年人的外心距离视觉感知能力进行了评估。观察者在从50厘米到164.3厘米的各种观察距离下，判断额状面平行和纵深空间间隔的范围。大多数观察者认为纵深间隔明显小于额状面平行间隔，这一发现与先前的研究一致。虽然没有一个观察者对外心距离的判断是准确的，但年长观察者的判断明显比年轻观察者更准确。然而，观察者在重复试验中的判断精度不受年龄影响。结果表明，年龄增长可显著提高视觉感知外心距离大小的能力。
