Exact(18)
We found that biomechanical constraints influence perceived hand posture across conditions.
Overall, we present a new illusion, in which viewing a hand making synchronous movements in opposing postures results in rotation of perceived hand posture towards the visual estimate.
In this experiment, we examined the effect of hand posture, movement congruence, and mirror viewing on perceived hand position and ownership.
Most importantly, visual inputs combined with motorically synchronous movements resulted in illusory displacement of perceived hand posture and higher ownership ratings, even in conditions with large postural discrepancies between visually- and proprioceptively-defined body postures.
One possibility is that patterns of muscle spindle preferred directions [38], [39], [40] or their relation to muscle and limb geometry [41] may result in biases in perceived hand locations.
When the visually perceived hand position is displaced from the actual hand position by a prism or computer device, visually guided reaching is initially disturbed but recovers after training [1] [6].
Similar(42)
The main findings of the study can be summarized as follows: First, PD reduces the sensitivity in perceiving hand path curvature.
Best-corrected visual acuity (BCVA) was assessed as only able to perceive hand motions.
Men were more likely to perceive hand washing as an effective preventive measure (P = 0.006).
Specifically, men are more likely to perceive hand hygiene to be an effective preventive measure against H1N1 infection.
Assessment of BCVA showed only the ability to perceive hand motions in the left eye compared to 20/13.3 in the right eye.
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