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Titolo:
CENTER-OF-MASS PERCEPTION AND INERTIAL FRAMES OF REFERENCE
Autore:
BINGHAM GP; MUCHISKY MM;
Indirizzi:
INDIANA UNIV,DEPT PSYCHOL BLOOMINGTON IN 47405
Titolo Testata:
Perception & psychophysics
fascicolo: 5, volume: 54, anno: 1993,
pagine: 617 - 632
SICI:
0031-5117(1993)54:5<617:CPAIFO>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
VISUAL-PERCEPTION; MENTAL ROTATION; LIFTED WEIGHT; MOTION; ORIENTATION; RECOGNITION; DYNAMICS; TENSOR; FORM; FLOW;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Science Citation Index Expanded
Citazioni:
76
Recensione:
Indirizzi per estratti:
Citazione:
G.P. Bingham e M.M. Muchisky, "CENTER-OF-MASS PERCEPTION AND INERTIAL FRAMES OF REFERENCE", Perception & psychophysics, 54(5), 1993, pp. 617-632

Abstract

Center of mass perception was investigated by varying the shape, size, and orientation of planar objects. Shape was manipulated to investigate symmetries as information. The number of reflective symmetry axes,the amount of rotational symmetry, and the presence of radial symmetry were varied. Orientation affected systematic errors. Judgments tended to undershoot the center of mass. Random errors increased with size and decreased with symmetry. Size had no effect on random errors for maximally symmetric objects, although orientation did. The spatial distributions of judgments were elliptical. Distribution axes were found to align with the principle moments of inertia. Major axes tended to align with gravity in maximally symmetric objects. A functional and physical account was given in terms of the repercussions of error. Overall, judgments were very accurate.

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Documento generato il 25/11/20 alle ore 04:30:25