Research News from the Howard Hughes Medical Institute (HHMI)
Distinguishing How the Visual System Perceives Approaching Objects
Using computer-generated animations, HHMI researchers
have distinguished some of the cues that the human visual
system uses to estimate the speed and location of approaching
objects. The researchers found that the visual system can
extract information about forward motion by estimating the
rate of change in size of approaching objects.
Research published in the April 12, 2001, issue of the
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