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Related Concept Videos

Working Memory01:24

Working Memory

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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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Related Experiment Video

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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How does visual working memory solve the binding problem?

Peter Shepherdson1, Lorena Hell2, Klaus Oberauer2

  • 1Faculty of Psychology.

Journal of Experimental Psychology. Human Perception and Performance
|August 18, 2022
PubMed
Summary
This summary is machine-generated.

Feature binding in visual working memory occurs in parallel when objects are spatially separated but is disrupted when objects share the same location. This supports a two-stage model of visual encoding.

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Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Human Memory

Background:

  • Location is theorized to be critical for binding object features in memory.
  • Previous models suggest features share a location to form bindings.
  • Understanding visual working memory is key to cognitive science.

Purpose of the Study:

  • To investigate the role of spatial location in forming feature-feature bindings.
  • To test predictions of a two-stage model of visual working memory encoding.
  • To determine if parallel or sequential processing underlies binding formation.

Main Methods:

  • Three experiments were conducted with a total of 68 participants.
  • Participants viewed stimuli separated in space versus simultaneously in the same location.
  • Memory for individual features was equated across conditions to isolate binding effects.

Main Results:

  • Feature-feature bindings were formed effectively in parallel when stimuli were spatially separated.
  • Binding formation was disrupted when objects were presented simultaneously in the same location.
  • These effects persisted even when memory for individual features was controlled.

Conclusions:

  • Spatial separation facilitates parallel binding of features in visual working memory.
  • Simultaneous presentation in the same location disrupts feature binding.
  • Findings support a two-stage encoding model: parallel feature encoding followed by sequential binding.