Experimental Research on the Structure of Visual Space When We Bend Forward and Look Backward Between the Spread Legs, Ii

Miyakawa, Tomoaki

doi:10.4992/jjpsy.20.2_14

The Japanese Journal of Psychology

1950

DOI: 10.4992/jjpsy.20.2_14

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Experimental Research on the Structure of Visual Space When We Bend Forward and Look Backward Between the Spread Legs, Ii

Tomoaki Miyakawa¹

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“…He thus ascribed the head-inversion effects to a muscular or vestibular disturbance. Evidently, this result did not support Helmholtz's account, but his paper, written in Japanese, has not been familiar to Western researchers (see also Miyakawa, 1943Miyakawa, , 1949a, in which he addressed problems of apparent distance in the between-leg situation).…”

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Brightness and image definition of pictures viewed from between the legs

Higashiyama

Toga

2010

Atten Percept Psychophys

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It has been documented that if we see a scene from between our own legs, it appears brighter and more distinct. We determined factors that are critical to these changes and elucidated how they are related to visual disorder that is contingent on bending the head. In Experiment 1, upright scene pictures were viewed with the head inverted. In Experiments 2 and 3, the 180°rotated versions of the same pictures were seen with the head inverted and upright, respectively. In Experiment 4, geometric patterns were seen with the head inverted. In Experiment 5, apparent depth and organization of scene pictures were judged under combinations of retinal-image and head orientations. The first results demonstrated that the scene pictures, when seen with the head inverted, had a 9.8% increase in brightness and a 6.8% increase in image definition as compared to normal upright viewing, but these changes did not arise for geometric patterns. Second, these changes were mainly ascribed to a proprioceptive change of the head. Third, by inverting only the head or the retinal image, visual structure of pictures was disturbed but the visual disorder did not always change brightness and image definition. These findings are discussed.

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Brightness and image definition of pictures viewed from between the legs

Higashiyama

Toga

2010

Atten Percept Psychophys

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Facial Attention and Spacetime Fragments

Davies¹,

Hoffman²

2002

Axiomathes

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Experimental Research on the Structure of Visual Space When We Bend Forward and Look Backward Between the Spread Legs, Ii

Cited by 2 publications

References 0 publications

Brightness and image definition of pictures viewed from between the legs

Brightness and image definition of pictures viewed from between the legs

Facial Attention and Spacetime Fragments

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