Abstract:
:Current concepts of action and perception emphasise a dissociation between conscious visual recognition and visual action control. These models do not expect an effect of the recognisable identity of an object on the kinematic parameterisation of grasping movements under binocular viewing conditions without pre-test learning periods. We performed two experiments presenting participants with familiar everyday objects or neutral geometrical objects. The participants grasped either with full vision or without visual feedback after movement onset without an explicit training phase before the experiment. In general, the familiarity of objects increased the sensitivity to physical object size changes measured by the slope of the maximal grip aperture relative to object size. We conclude that associations between object identity and a particular size, presumably encoded in long-term memory, are integrated in the parameterisation of grasping movements upon the identification of individual objects.
journal_name
Vision Resjournal_title
Vision researchauthors
Borchers S,Himmelbach Mdoi
10.1016/j.visres.2012.06.019subject
Has Abstractpub_date
2012-08-15 00:00:00pages
8-13eissn
0042-6989issn
1878-5646pii
S0042-6989(12)00190-3journal_volume
67pub_type
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