The extreme relativity of perception : a new contextual effect modulates human resolving power / Gal Namdar, Tzvi Ganel, Daniel Algom
Series: Journal of Experimental Psychology : General. 145 : 4, page 509-515 Publication details: April 2016Content type:- txt
- unmediated
- volumes
Current library | Call number | Status | Date due | Barcode |
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Manila Tytana Colleges Library REFERENCE SECTION | Bound (Browse shelf(Opens below)) | Not For Loan |
The authors report the discovery of a new effect of context that modulates human resolving power with respect to an individual stimulus. They show that the size of the difference threshold or the just noticeable difference around a standard stimulus depends on the range of the other standards tested simultaneously for resolution within the same experimental session. The larger this range, the poorer the resolving power for a given standard. The authors term this effect the range of standards effect (RSE). They establish this result both in the visual domain for the perception of linear extent, and in the somatosensory domain for the perception of weight. They discuss the contingent nature of stimulus resolution in perception and psychophysics and contrast it with the immunity to contextual influences of visually guided action.
Psychology
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