Elsevier

Acta Psychologica

Volume 13, 1957, Pages 35-42
Acta Psychologica

Vertical-Horizontal illusion and surrounding field

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Reference (3)

  • KünnapasT.M.

    An analysis of the “vertical-horizontal illusion”

    J. exp. Psychol.

    (1955)
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Cited by (29)

  • Dissecting the component deficits of perceptual imbalance in visual neglect: Evidence from horizontal-vertical length comparisons

    2012, Cortex
    Citation Excerpt :

    In the visual perception literature, it is well known that symmetry drastically influences line length estimation. The horizontal vertical illusion with so-called “centre T” stimuli (see Fick, 1851; Künnapas, 1955, 1957; Finger and Spelt, 1947; Avery and Day, 1969) best demonstrates this kind of perceptual distortion (Fig. 1). In this configuration the horizontal line is perceived as being shorter than the vertical line, even though they are of the same physical length.

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