Seeing with your hands? Hand amputation may result in altered perception around the hands

where actions such as grasping and touching occur - is known as the "action space." Research has shown that visual information in this area is organized in hand-centered coordinates - in other words, the representation of objects in the human brain depends on their physical location with respect to the hand. According to new research in Psychological Science, a journal of the Association for Psychological Science, amputation of the hand results in distorted visuospatial perception (i.e., figuring out where in space objects are located) of the action space.

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