Science: v.1-v.219Moses King, 1966 |
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Page 1093
... field defined as the field center . The field centers were small ( 0.5 ° to 1.0 ° in diameter ; 1 ° of visual angle corresponds to approximately 115 μm on the ground squirrel's retina ) . Each field center was surrounded by a concentric ...
... field defined as the field center . The field centers were small ( 0.5 ° to 1.0 ° in diameter ; 1 ° of visual angle corresponds to approximately 115 μm on the ground squirrel's retina ) . Each field center was surrounded by a concentric ...
Page 1278
... field to a 212 - deg spot of light flashing off for 1 second and on for 1 second within the center of its field . 0.5 m from the eye . Minimum illumina- tion was darkness . The possibility that these fields were actually center - sur ...
... field to a 212 - deg spot of light flashing off for 1 second and on for 1 second within the center of its field . 0.5 m from the eye . Minimum illumina- tion was darkness . The possibility that these fields were actually center - sur ...
Page 1279
... fields dif- ficult to plot , but the fields neverthe- less appeared to have an irregular center - surround organization . One dif- fuse field consisted of an On - center , 11⁄2 - deg in diameter , and a much larger ( diameter , 15 deg ) ...
... fields dif- ficult to plot , but the fields neverthe- less appeared to have an irregular center - surround organization . One dif- fuse field consisted of an On - center , 11⁄2 - deg in diameter , and a much larger ( diameter , 15 deg ) ...
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