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

Neural activation during an explicit categorization task: category- or feature-specific effects?

Michael A Kraut1, Lauren R Moo, Jessica B Segal

  • 1Division of Cognitive Neurology/Neuropsychology, Department of Neurology, The Johns Hopkins University, Baltimore, MD 21287, USA. jhart@jhmi.edu

Brain Research. Cognitive Brain Research
|April 18, 2002
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

Intrahepatic cholangiocarcinoma treated with glass yttrium-90 radioembolization: A histopathologic study.

European journal of nuclear medicine and molecular imaging·2026
Same author

Action-guilt, survivor-guilt, and depression in combat-related PTSD.

PloS one·2026
Same author

Radiation Segmentectomy versus Combined Chemoembolization plus Microwave Ablation: Histopathologic Tumor Necrosis in Hepatocellular Carcinoma Measuring up to 5 cm.

Journal of vascular and interventional radiology : JVIR·2026
Same author

ASO Visual Abstract: Survival Outcomes in Early-Onset Appendiceal Adenocarcinoma (EOAA).

Annals of surgical oncology·2026
Same author

Survival Outcomes in Early Onset Appendiceal Adenocarcinoma (EOAA).

Annals of surgical oncology·2026
Same author

Targeted pneumococcal conjugate vaccination strategies for high-risk children.

Human vaccines & immunotherapeutics·2026
Same journal

Robotic movement elicits automatic imitation.

Brain research. Cognitive brain research·2005
Same journal

On the neural basis of focused and divided attention.

Brain research. Cognitive brain research·2005
Same journal

Task difficulty in a simultaneous face matching task modulates activity in face fusiform area.

Brain research. Cognitive brain research·2005
Same journal

The role of the left Brodmann's areas 44 and 45 in reading words and pseudowords.

Brain research. Cognitive brain research·2005
Same journal

Event-related potentials to violations of inflectional verb morphology in English.

Brain research. Cognitive brain research·2005
Same journal

Individual differences in brain activity during visuo-spatial processing assessed by slow cortical potentials and LORETA.

Brain research. Cognitive brain research·2005
See all related articles

Brain imaging reveals distinct neural activation patterns for different object categories. Findings suggest frontal lobe regions involved in object recognition may be organized by features rather than strict categories.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Previous research suggests category-specific brain regions for object recognition.
  • Functional imaging and lesion studies provide indirect evidence for this specialization.

Purpose of the Study:

  • To investigate the neural basis of category-specific organization in the human brain.
  • To test whether distinct brain regions are activated for different semantic categories using functional magnetic resonance imaging (fMRI).

Main Methods:

  • Participants performed a same-category decision task with word stimuli.
  • Functional magnetic resonance imaging (fMRI) was used to detect signal changes in the brain.
  • Analysis focused on activation patterns for different semantic categories (e.g., tools, fruits, animals).

Related Experiment Videos

Main Results:

  • Shared activation in frontal regions (rostromedial BA 6, cingulate, BA 6/44, BA 45/46 junctions) was observed for all same-category pairs and tool pairs.
  • Specific activations were noted for fruits/vegetables (BA 6, left BA 6/44) and animals (rostromedial BA 6).
  • Common signal changes in frontal lobe areas (BA 6/44) for diverse categories suggest feature-based organization.

Conclusions:

  • The findings challenge a strict category-specific model of brain organization.
  • Frontal lobe regions, particularly BA 6/44, may process information based on shared features across categories.
  • This suggests a more flexible, feature-driven organization for object recognition in the brain.