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 Experiment Videos

Unconscious vision in action.

Tony Ro1

  • 1Department of Psychology, Rice University, United States. tro@rice.edu

Neuropsychologia
|October 24, 2007
PubMed
Summary
This summary is machine-generated.

Unconscious visual information guides actions via the dorsal stream, even when primary visual cortex (V1) is disrupted. This suggests a V1-bypassing pathway, likely involving the superior colliculus, supports these unconscious visual-guided actions.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Sound frequency predicts the bodily location of auditory-induced tactile sensations in synesthetic and ordinary perception.

Neuroscience of consciousness·2026
Same author

Feelings on the tongue.

Journal of neurophysiology·2025
Same author

Neural Correlates of Visual Feature Binding.

Journal of cognitive neuroscience·2024
Same author

Unconscious Touch Perception After Disruption of the Primary Somatosensory Cortex.

Psychological science·2021
Same author

Editorial - Robert Rafal.

Cortex; a journal devoted to the study of the nervous system and behavior·2020
Same author

Visual Modulation of Resting State α Oscillations.

eNeuro·2019
Same journal

Prevalence and modulation of rat off-track head scanning on linear tracks: possible implications for representational and dynamic properties of hippocampal place cells.

Neuropsychologia·2026
Same journal

Identifying networks within an fMRI multivariate searchlight analysis.

Neuropsychologia·2026
Same journal

Modulating sentence comprehension in people with aphasia through anodal tDCS: A double-blind randomized cross-over study.

Neuropsychologia·2026
Same journal

Deficient processing of regularity violations during visuospatial neglect: a visual mismatch negativity study.

Neuropsychologia·2026
Same journal

Seeing is believing: mental imagery amplifies moral, emotional, and motivational responding to mentally constructed hypothetical events.

Neuropsychologia·2026
Same journal

From past recall to future projection: What does verb tense production reveal about mental time travel in Alzheimer's disease?

Neuropsychologia·2026
See all related articles

Area of Science:

  • Neuroscience
  • Visual Processing
  • Cognitive Science

Background:

  • The dorsal visual stream is crucial for unconscious visual processing guiding actions.
  • The role of primary visual cortex (V1) in this stream is debated.

Purpose of the Study:

  • To investigate the dorsal stream's processing of unconscious visual information.
  • To determine if V1 is essential for this unconscious processing.

Main Methods:

  • Transcranial magnetic stimulation (TMS) was used to disrupt V1.
  • Reaching performance was measured following visual stimuli presentation.

Main Results:

  • Disrupting V1 did not abolish the effects of unconscious visual events on reaching.

Related Experiment Videos

  • Consistent effects on reaching performance were observed despite V1 disruption.

    • Conclusions:

    • The dorsal stream can process visual information unconsciously, bypassing V1.
    • The superior colliculus may provide a V1-independent input to the dorsal stream for action guidance.