Abstract：
:Although pictorial illusions have been used to study perception for a long time, the effects of such displays on the visual control of actions has recently been the matter of some debate. Evidence from a re-analysis of an earlier study is presented that suggests pictorial displays can exert opposite effects on perceptual size judgements and grip scaling, perhaps because the two-dimensional elements surrounding the target for a grasp are treated as potential obstacles. This interpretation was supported by the results of an experiment in which the relative position and distance of two-dimensional elements flanking a target had differential effects on perceptual judgements of size and the scaling of grip aperture.
journal_name
Vision Resjournal_title
Vision researchauthors
Haffenden AM,Goodale MAdoi
10.1016/s0042-6989(00)00056-0subject
Has Abstractpub_date
2000-01-01 00:00:00pages
1597-607issue
10-12eissn
0042-6989issn
1878-5646pii
S0042-6989(00)00056-0journal_volume
40pub_type
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