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

A pet study of visual and semantic knowledge about objects.

Marion L Kellenbach, Marjolijn Hovius, Karalyn Patterson

    Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
    |February 18, 2005
    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

    Behavioural changes in frontotemporal dementia and their cognitive and neuroanatomical correlates.

    Brain : a journal of neurology·2025
    Same author

    Social-semantic knowledge in frontotemporal dementia and after anterior temporal lobe resection.

    Brain communications·2024
    Same author

    Does epilepsy differentially affect different types of memory?

    Seizure·2024
    Same author

    The impact of bilateral versus unilateral anterior temporal lobe damage on face recognition, person knowledge and semantic memory.

    Cerebral cortex (New York, N.Y. : 1991)·2024
    Same author

    The graded multidimensional geometry of phenotypic variation and progression in neurodegenerative syndromes.

    Brain : a journal of neurology·2024
    Same author

    Drawing from name in semantic dementia reveals graded object knowledge representations in anterior temporal lobe.

    Memory & cognition·2024
    Same journal

    The cognitive construction of moral scenes: Associations of visuospatial ability and impulsivity with perspective and vividness in mental simulation.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Theta band activity during event-file retrieval is influenced by stimulus salience in the preceding action episode.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Language recovery in Hungarian speakers with aphasia: Roles of phonology and intraindividual variability.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Neural and behavioral dissociations of self-focused and other-focused incentives in trust.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    A multiverse analysis of the logical memory test and plasma biomarkers of Alzheimer's disease.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Reading and writing impairments in Spanish-speaking individuals with primary progressive aphasia: A single-case series study.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    See all related articles

    This study used PET scans to explore how the brain retrieves knowledge about object structure, color, and associations. Findings reveal distinct temporal lobe regions are activated for each knowledge type, suggesting specialized roles.

    Area of Science:

    • Neuroscience
    • Cognitive Neuroscience
    • Neuroimaging

    Background:

    • The human brain stores vast amounts of information about objects, including their structural, color, and associative properties.
    • Understanding how these distinct knowledge types are represented and retrieved in the brain is crucial for cognitive neuroscience.

    Purpose of the Study:

    • To investigate the distinctiveness of temporal lobe activations during the retrieval of structural, color, and associative knowledge of familiar objects.
    • To identify specific cortical regions involved in processing different semantic attributes of objects.

    Main Methods:

    • Positron Emission Tomography (PET) was employed to measure brain activity.
    • Participants performed object recognition tasks involving detection of anomalies in structure, color, or existence, contrasted against a resting baseline.

    Related Experiment Videos

    Main Results:

    • All semantic retrieval tasks showed bilateral activation in occipital and temporal areas, extending ventrally and to the right superior parietal lobe.
    • Structural decisions activated the right posterior middle/inferior temporal gyrus.
    • Color decisions activated the right superior temporal gyrus.
    • Associative decisions selectively engaged the left anterior middle/superior temporal gyrus and temporal pole, and the right temporal pole.

    Conclusions:

    • Retrieval of different types of stored knowledge (structural, color, associative) involves partially distinct cortical areas within the temporal lobe.
    • Evidence suggests specialized roles for anterior/posterior and left/right temporal regions in semantic memory.