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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.
Implicit Memories01:24

Implicit Memories

Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
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"...
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,...
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...
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...

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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)
09:05

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

Published on: June 12, 2017

Implicit visual working memory.

Svein Magnussen1

  • 1Center for the Study of Human Cognition, Department of Psychology, University of Oslo, Norway. svein.magnussen@psykologi.uio.no

Scandinavian Journal of Psychology
|November 26, 2009
PubMed
Summary
This summary is machine-generated.

This study identifies a low-level visual memory mechanism crucial for processing image attributes like spatial frequency and motion. This mechanism operates early in visual processing, with specialized units for distinct visual features.

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Area of Science:

  • Cognitive Neuroscience
  • Visual Perception

Background:

  • Short-term memory is vital for processing visual information.
  • Understanding the neural basis of visual memory is key to visual perception.

Purpose of the Study:

  • To identify and characterize a low-level perceptual memory mechanism.
  • To review evidence supporting a model of parallel, special-purpose perceptual mechanisms.

Main Methods:

  • Psychophysical studies examining short-term memory for visual attributes.
  • Review of functional brain imaging studies.

Main Results:

  • Identification of a low-level perceptual memory mechanism.
  • Evidence suggests this mechanism is early in the visual processing stream, beyond V1.
  • The mechanism comprises parallel, special-purpose units with limited resources, each analyzing a single attribute.

Conclusions:

  • A model of specialized, parallel perceptual memory mechanisms is supported.
  • This mechanism is critical for online perceptual processing of visual stimuli.