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Related Concept Videos

Working Memory01:24

Working Memory

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 information.
Visual System01:26

Visual System

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.
Once through the pupil, the light passes through the lens, a...
Long-Term Memory01:18

Long-Term Memory

Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
Vision01:24

Vision

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.
Sensory Memory01:14

Sensory Memory

Sensory memory captures information from the environment in its original form for a very brief duration, just long enough to be exposed to visual, auditory, and other senses. This type of memory is detailed and rich but quickly lost unless certain strategies are employed to transfer it into short-term or long-term memory. Sensory information is continuously bombarding the human brain, yet only a small fraction is absorbed, as most of it does not significantly impact daily life. For instance,...
Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...

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Related Experiment Video

Updated: Jun 4, 2026

VisualEyes: A Modular Software System for Oculomotor Experimentation
10:41

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

Visual working memory as visual attention sustained internally over time.

Marvin M Chun1

  • 1Department of Psychology, Yale University, USA. marvin.chun@yale.edu

Neuropsychologia
|February 8, 2011
PubMed
Summary
This summary is machine-generated.

Visual attention actively sustains information in visual working memory, including internal thoughts and memories. Effective working memory relies on inhibiting distractions to maintain focus on relevant information.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Visual attention and working memory are closely linked cognitive functions.
  • Attention is crucial for encoding and maintaining information in working memory.
  • Recent frameworks include attention to internal representations beyond sensory input.

Purpose of the Study:

  • To explore the relationship between visual attention and working memory.
  • To highlight the role of internal attention in cognitive processes.
  • To discuss the capacity limitations and independent operation of different attentional and working memory systems.

Main Methods:

  • The study reviews existing literature and theoretical frameworks on visual attention and working memory.
  • It synthesizes findings on the role of sustained attention in memory encoding and maintenance.
  • It discusses the concept of internal attention and its implications for cognitive function.

Main Results:

  • Working memory relies on sustained attention to select and maintain relevant information.
  • Attention can be directed internally to representations without sensory input.
  • Capacity is limited, and different types of attention/working memory operate independently.
  • Inhibiting internal and external distractions is vital for successful memory maintenance.

Conclusions:

  • Visual working memory functions as an interface for attentional selection and maintenance of internal representations.
  • Internal attention plays a key role in binding features and enhancing relevant mechanisms.
  • Understanding these interactions is crucial for comprehending cognitive processes and limitations.