Proprioception, or the sense of how our body and limbs are positioned, is central to our self-concept. Damage to the proprioceptive system can have devastating effects on the ability to coordinate ...

Schematic, exaggerated representation of the 'shrunken finger illusion.' Our visual system tricks us into seeing a complete ball instead of a shell. As a result, our finger feels shorter than usual, ...

How do you convince someone that a finger they can’t see or feel – one they don’t even know is there – is actually part of their body? Turns out it’s all in the wrist. The technique is a spin on the ...