Century Dictionary and Cyclopedia
- Of or pertaining to or situated in a fovea: as, a foveal image (an image formed upon the fovea centralis of the retina).
- adj. Of or pertaining to the fovea.
“It's during this final shifting of perception from frontal (also known as foveal) to peripheral view that causes the batter to perceive that the ball is dramatically dropping or moving abruptly to the left or right.”
“It turns out that the 120 Hz flicker (100 Hz in Europe), while not perceptible in our central, or "foveal" vision, is detected in our peripheral vision.”
“Like a curveball, the spinning disks in the illusions appear to abruptly change direction when an observer switches from foveal to peripheral viewing.”
“Our original thought was to place the links along the bottom of the page — outside your foveal vision.”
“But peripheral vision, when it becomes salient, tends to automatically cause eye movement leading to foveal vision of the salient stimulus, rather than to introspective awareness of the distinctive qualities and deficiencies of peripheral vision, of which many of us remain unaware.”
“That's because the foveal part of your eye, which is the high-resolution part, is only about the size of your thumbnail held at arms length.”
“His host's eyes were aimed in more or less the right direction, but the image of the doctor's face was not in their foveal region.”
“Thus by cutting out that portion of the stimulation which was given during the first part of the movement, we have eliminated the whole of the false image, and the right-hand (foveal) part of the correct image.”
“Exner observes that this explanation would not, however, apply to the disappearance of the vessel-figure, the circulation phenomenon, the foveal figure, the polarization-sheaf of Haidinger, Maxwell's spot, or the ring of Löwe; for these phenomena disappear in a similar manner during movement.”
“It is therefore not the fact of a stimulation being foveal which conditions its being seen in two places.”
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