caa a22 4500 445353813 CHVBK 20180317142853.0 cr unu---uuuuu 170323e20110801xx s 000 0 eng 10.1007/s00221-011-2758-0 doi (NATIONALLICENCE)springer-10.1007/s00221-011-2758-0 Araragi Yukyu Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, 56-1, Tojiinkita-machi, Kita-ku, 603-8577, Kyoto, Japan aut Anisotropies of linear and curvilinear completions at the blind spot [Elektronische Daten] [Yukyu Araragi] Previous studies have shown anisotropies of perceptual completion of the line at the blind spot. The present study examined anisotropies of collinear and noncollinear completions at the blind spot. A physically aligned or misaligned pair of horizontal or vertical line segments was presented on opposite sides of the blind spot. Observers reported the appearance of the line segments. In Experiment 1, the range of noncollinear completion in the vertical line segments was significantly larger than that in the horizontal line segments, whereas an anisotropy of the range of collinear completion was not observed. In Experiment 2, linear and curvilinear completions predominantly occurred in the horizontal and vertical line segments, respectively. In Experiment 3, the tolerance of collinear completion was not significantly larger than vernier acuity. These results suggest that linear and curvilinear completions at the blind spot have different anisotropic tendencies. These different anisotropic processes might bring about anisotropies of perceptual completion of the line at the blind spot. Springer-Verlag, 2011 Blind spot nationallicence Anisotropy nationallicence Linear completion nationallicence Curvilinear completion nationallicence Tolerance nationallicence Experimental Brain Research Springer-Verlag 212/4(2011-08-01), 529-539 0014-4819 212:4<529 2011 212 221 https://doi.org/10.1007/s00221-011-2758-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00221-011-2758-0 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Araragi Yukyu Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, 56-1, Tojiinkita-machi, Kita-ku, 603-8577, Kyoto, Japan aut NATIONALLICENCE 773 0- Experimental Brain Research Springer-Verlag 212/4(2011-08-01), 529-539 0014-4819 212:4<529 2011 212 221 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer