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Related Concept Videos

Perception01:28

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Subliminal Perception01:15

Subliminal Perception

Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
Routes of Persuasion02:20

Routes of Persuasion

Persuasion is the process of changing our attitude toward something based on some kind of communication. Much of the persuasion we experience comes from outside forces. How do people convince others to change their attitudes, beliefs, and behaviors? What communications do you receive that attempt to persuade you to change your attitudes, beliefs, and behaviors?
High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...

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Related Experiment Video

Updated: May 25, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Attentional routes to conscious perception.

Ana B Chica1, Paolo Bartolomeo

  • 1INSERM-UPMC UMRS 975, Brain and Spine Institute, Groupe Hospitalier Pitié-Salpêtrière Paris, France.

Frontiers in Psychology
|January 27, 2012
PubMed
Summary

Spatial attention influences conscious perception differently depending on its type. Exogenous (bottom-up) attention is crucial for visual experiences, unlike endogenous (top-down) attention.

Keywords:
attentionconscious perceptionendogenousexogenousfronto-parietal networksneglect

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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Attention Studies

Background:

  • The link between spatial attention and conscious perception is debated.
  • Evidence suggests attention may not be a prerequisite for consciousness.
  • Distinct types of attention might differentially impact perception.

Purpose of the Study:

  • To review evidence on how different types of spatial attention affect visual conscious perception.
  • To investigate the role of attention in forming reportable visual experiences.
  • To identify neural substrates underlying attention-consciousness interactions.

Main Methods:

  • Review of behavioral experiments.
  • Analysis of neurophysiologic data.
  • Examination of neuropsychological and neuroimaging studies.

Main Results:

  • Endogenous (top-down) attention has minimal impact on near-threshold visual stimuli.
  • Exogenous (bottom-up) spatial attention is necessary, but not sufficient, for conscious visual experience.
  • Fronto-parietal networks show hemispheric differences related to attention-consciousness interactions.

Conclusions:

  • Different forms of spatial attention exert distinct influences on conscious perception.
  • Exogenous attention plays a critical role in the emergence of visual awareness.
  • Fronto-parietal networks are implicated in the interplay between exogenous attention and conscious perception.