Further research has demonstrated these eyes not only resolve spatial details of the world, but also perceive motion.
This is when the brain perceives peripheral motion, without sufficient other cues, as applying to itself.
This stronger motion signal forces us to perceive vertical motion.
The eye perceives motion, but until the 20th century, mankind made do with static representations of the visual field.
Each time, I perceived motion at the extreme left of my visual field.
Hardly had Nathan completed that thought than he suddenly perceived motion of some sort.
The phi phenomenon is yet another example of how the brain perceives motion, which is most often created by blinking lights in close succession.
The original observation was Wertheimer's, when he noted that we perceive motion where there is nothing more than a rapid sequence of individual sensory events.
I can feel the light, perceive motion and wind.
He concluded that the brain first perceives three-dimensional depth, then motion and finally the form of an object.