At least 50 percent of people can see the movement of their own hand even in the absence of all light, according to a new study.
Kevin Dieter, a postdoctoral fellow at Vanderbilt University, devised experiments to study the phenomenon.
How does Dieter explain the finding?
“What we normally perceive of as sight is really as much a function of our brains as our eyes,” said Dieter, echoing the study’s claim published in the journal Psychological Science.
The idea for the study came from cognitive science professors Duje Tadin of Rochester University and Randolph Blake of Vanderbilt, who stumbled upon the occurrence while devising experiments for an unrelated study.
The felt they could see their hands through an opaque blindfold.
“They could see their hand when no light was coming in,” Dieter said.
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