Top-down processes in perceiving false depth and motion for faces and scenes

Thomas V. Papathomas; Lisa Bono

doi:10.1117/12.602894

Top-down processes in perceiving false depth and motion for faces and scenes

Thomas V. Papathomas, Lisa Bono

Brain Health Institute

Research output: Contribution to journal › Conference article › peer-review

Abstract

There are at least two broad classes of three-dimensional (3D) stimuli that tend to be perceived in illusory reverse depth: hollow masks and "reverspectives", the latter having been invented by Patrick Hughes in 1964. Because of the depth inversion, these stimuli appear to move when observers move in front of them. The illusion is diminished significantly when a hollow mask is inverted, as compared to an upright mask; the same trend is observed with inverted reverspectives, as compared to upright reverspectives, but the inversion effect is weaker than that in faces. The inversion effect can be attributed to top-down influences in perception, and the results point to a stronger role of such influences for the perception effaces than scenes.

Original language	English (US)
Article number	08
Pages (from-to)	49-52
Number of pages	4
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5666
DOIs	https://doi.org/10.1117/12.602894
State	Published - 2005
Event	Proceedings of SPIE-IS and T Electronic Imaging - Human Vision and Electronic Imaging X - San Jose, CA, United States Duration: Jan 17 2005 → Jan 20 2005

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Keywords

3D perception
Depth perception
Depth reversal
Hollow-mask illusion
Illusion
Reverspective

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10.1117/12.602894

Cite this

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title = "Top-down processes in perceiving false depth and motion for faces and scenes",

abstract = "There are at least two broad classes of three-dimensional (3D) stimuli that tend to be perceived in illusory reverse depth: hollow masks and {"}reverspectives{"}, the latter having been invented by Patrick Hughes in 1964. Because of the depth inversion, these stimuli appear to move when observers move in front of them. The illusion is diminished significantly when a hollow mask is inverted, as compared to an upright mask; the same trend is observed with inverted reverspectives, as compared to upright reverspectives, but the inversion effect is weaker than that in faces. The inversion effect can be attributed to top-down influences in perception, and the results point to a stronger role of such influences for the perception effaces than scenes.",

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AU - Papathomas, Thomas V.

AU - Bono, Lisa

PY - 2005

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N2 - There are at least two broad classes of three-dimensional (3D) stimuli that tend to be perceived in illusory reverse depth: hollow masks and "reverspectives", the latter having been invented by Patrick Hughes in 1964. Because of the depth inversion, these stimuli appear to move when observers move in front of them. The illusion is diminished significantly when a hollow mask is inverted, as compared to an upright mask; the same trend is observed with inverted reverspectives, as compared to upright reverspectives, but the inversion effect is weaker than that in faces. The inversion effect can be attributed to top-down influences in perception, and the results point to a stronger role of such influences for the perception effaces than scenes.

AB - There are at least two broad classes of three-dimensional (3D) stimuli that tend to be perceived in illusory reverse depth: hollow masks and "reverspectives", the latter having been invented by Patrick Hughes in 1964. Because of the depth inversion, these stimuli appear to move when observers move in front of them. The illusion is diminished significantly when a hollow mask is inverted, as compared to an upright mask; the same trend is observed with inverted reverspectives, as compared to upright reverspectives, but the inversion effect is weaker than that in faces. The inversion effect can be attributed to top-down influences in perception, and the results point to a stronger role of such influences for the perception effaces than scenes.

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KW - Depth perception

KW - Depth reversal

KW - Hollow-mask illusion

KW - Illusion

KW - Reverspective

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

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Y2 - 17 January 2005 through 20 January 2005

ER -

Top-down processes in perceiving false depth and motion for faces and scenes

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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