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Related Concept Videos

Perceptual Constancy01:12

Perceptual Constancy

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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.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
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Gestalt Principles of Perception01:21

Gestalt Principles of Perception

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Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
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Parallel Processing01:20

Parallel Processing

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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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Auditory Perception01:17

Auditory Perception

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Perception of Sound Waves01:01

Perception of Sound Waves

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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
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Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

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Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
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Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
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Digital-analog perceptual duality.

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Area of Science:

  • Neuroscience
  • Philosophy of Mind
  • Cognitive Science

Background:

  • The origin of abstract thought from neuronal activity remains a fundamental question.
  • Existing models struggle to bridge the physical brain and the nonphysical mind.
  • The brain-world (BW) and brain-brain (BB) interaction domains offer a new framework.

Purpose of the Study:

  • To investigate the relationship between brain-world (analog-continuous) and brain-brain (digital-discrete) interactions.
  • To explore how neural circuits mediate transformations between these domains.
  • To propose a novel model for the physical-mental divide.

Main Methods:

  • Analysis of existing data on neural loop cascades.
  • Review of behavioral and neuronal data.
  • Theoretical modeling of signal conversion between analog and digital domains.

Main Results:

  • Neural circuits can convert between analog and digital signal domains, linking physical and mental processes.
  • These transformations are irreversible, preventing reduction of one domain to the other.
  • The brain-brain/brain-world duality maps onto the mind-body duality.

Conclusions:

  • The physical-mental gap can be understood through the brain-brain/brain-world duality.
  • Subjective perception is key to the mind-body division.
  • The mind's foundation is inherently social, not solely internal.