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Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
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Multi-scale lines and edges in V1 and beyond: brightness, object categorization and recognition, and consciousness

João Rodrigues1, J M Hans du Buf

  • 1Vision Laboratory, Institute for Systems and Robotics, University of the Algarve, Faro, Portugal. jrodrig@ualg.pt

Bio Systems
|November 26, 2008
PubMed

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Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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