Vision facilitates tactile perception when grasping an object.

The interaction between the two factors, at the limit of significance [ F (3,42) = 2.82, p = 0.050, η 2 p = 0.168] was given by participants’ sensitivity being higher for the full vision condition [ M = 4.04, SE = 0.16], as compared to the limited vision condition [ M = 3.75, SE = 0.19], only when participants were lifting the object [ t (14) = 2.91, p = 0.011, r = 0.858].

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For the resting hand, the main effects of TIMING [ F (3,42) = 1.59, p = 0.207, η 2 p = 0.102] and VISION AVAILABILITY [ F (1,14) = 3.71, p = 0.075, η 2 p = 0.209] failed to reach statistical significance.

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