Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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...
Parallel Processing01:20

Parallel Processing

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Modulation of perceived time caused by stimulus clarity in object recognition.

Attention, perception & psychophysics·2026
Same author

Material discrimination relies on context-dependent active sensing strategies.

Journal of vision·2026
Same author

Pupillary responses to the glare illusion in normal pressure hydrocephalus: insights into network dysfunction and neurodegenerative comorbidities.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2026
Same author

Enhanced emotion perception for faces behind the observer.

Cognition·2026
Same author

Aftereffects of variance in the perception of facial expressions in crowds.

Vision research·2025
Same author

How we remember music tempo: the role of spontaneous motor tempo in recall and preference.

Frontiers in psychology·2025

Related Experiment Video

Updated: May 12, 2026

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation
09:36

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Published on: May 12, 2014

Semantic processing in subliminal face stimuli: an EEG and tDCS study.

Nutchakan Kongthong1, Tetsuto Minami, Shigeki Nakauchi

  • 1Department of Computer Science and Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka Tempaku, Toyohashi, Aichi 441-8580, Japan.

Neuroscience Letters
|April 17, 2013
PubMed
Summary
This summary is machine-generated.

Subliminal visual processing may extend to semantic levels in the brain. Transcranial direct current stimulation (tDCS) disrupted priming effects, suggesting prefrontal cortex involvement in unconscious semantic tasks.

More Related Videos

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias
09:03

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias

Published on: February 29, 2020

Related Experiment Videos

Last Updated: May 12, 2026

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation
09:36

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Published on: May 12, 2014

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias
09:03

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias

Published on: February 29, 2020

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Psychophysiology

Background:

  • The extent to which subliminal visual stimuli undergo semantic processing remains an open question in cognitive neuroscience.
  • Previous research suggests priming effects in certain conditions might indicate unconscious semantic understanding.

Purpose of the Study:

  • To investigate whether subliminal visual processing involves semantic processing.
  • To explore the neural underpinnings of subliminal semantic processing using electroencephalography (EEG) and transcranial direct current stimulation (tDCS).

Main Methods:

  • A passive electroencephalogram (EEG) study combined with transcranial direct current stimulation (tDCS).
  • Utilized a masked-face priming paradigm with famous and non-famous faces as prime and target stimuli.
  • EEG data analyzed for the late positive component (250-500 ms) differences between congruent and incongruent prime-target pairs under real and sham tDCS conditions.

Main Results:

  • A significant priming effect was observed in the sham (control) condition, specifically for famous primes, potentially indicating subliminal semantic processing.
  • This priming effect for famous primes disappeared following real transcranial direct current stimulation (tDCS).

Conclusions:

  • Subliminal visual processing may not be confined to early sensory areas (occipital, temporal) but can reach semantic processing stages.
  • Transcranial direct current stimulation (tDCS) appears to modulate or inhibit these subliminal semantic processes, suggesting involvement of prefrontal cortex networks.