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

Cortical mechanisms specific to explicit visual object recognition.

M Bar1, R B Tootell, D L Schacter

  • 1Massachusetts General Hospital, NMR Center, Charlestown, MA 02129, USA. bar@nmr.mgh.harvard.edu

Neuron
|March 10, 2001
PubMed
Summary
This summary is machine-generated.

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

Early-childhood temperament deviations mark psychiatric risk into early adulthood.

medRxiv : the preprint server for health sciences·2026
Same author

Abundant pleiotropy across neuroimaging modalities identified through a multivariate genome-wide association study.

Nature communications·2024
Same author

Physical work exposure matrix for use in the UK Biobank.

Occupational medicine (Oxford, England)·2021
Same author

Baseline brain function in the preadolescents of the ABCD Study.

Nature neuroscience·2021
Same author

Distinct Regionalization Patterns of Cortical Morphology are Associated with Cognitive Performance Across Different Domains.

Cerebral cortex (New York, N.Y. : 1991)·2021
Same author

Influence of work organization and work environment on missed work, productivity, and use of pain medications among construction apprentices.

American journal of industrial medicine·2019
Same journal

Fast-conducting mechanonociceptors uniquely engage reflexive and affective pain circuitry to drive protective responses.

Neuron·2026
Same journal

Sparse component analysis: A method that uncovers separable computations within neural population activity.

Neuron·2026
Same journal

Spatiomolecular mapping reveals anatomical organization of heterogeneous cell types in the human nucleus accumbens.

Neuron·2026
Same journal

TGF-β1-induced endothelial transcytosis drives blood-brain barrier leakage during aging.

Neuron·2026
Same journal

Image space opens up for visual neuroscience.

Neuron·2026
Same journal

Septal GLP-1 receptors control alcohol taking and seeking.

Neuron·2026
See all related articles

Conscious object recognition involves gradually increasing cortical activity in the brain, not a single event. This study used functional magnetic resonance imaging (fMRI) to track brain activity during visual perception.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Understanding the neural basis of conscious object recognition is crucial for cognitive neuroscience.
  • Previous research suggests rapid processing, but the temporal dynamics of awareness remain debated.

Purpose of the Study:

  • To investigate the cortical mechanisms underlying conscious object recognition.
  • To determine if object recognition is a discrete event or a gradual process.
  • To explore the role of specific brain regions in object identity awareness.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was employed to measure brain activity.
  • Participants performed a visual recognition task with briefly presented, masked object images.
  • Stimuli were presented randomly and repeatedly to allow for gradual recognition.

Related Experiment Videos

Main Results:

  • A linear correlation was found between cortical activity in the ventrotemporal visual region and the perception of object identity.
  • Awareness of object identity was associated with gradually increasing, not discrete, cortical activity.
  • Activity in the temporal cortex shifted anteriorly as recognition confidence increased.

Conclusions:

  • Conscious object recognition is a dynamic process characterized by incrementally rising neural activity.
  • The findings provide new insights into the neural underpinnings of explicit object recognition.
  • The study highlights the temporal evolution of visual processing leading to conscious awareness.