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

Sex-linked left lateralized central processor for hierarchically-structured material? Evidence from Broca's aphasia.

J Friedland, J Kershner

    Neuropsychologia
    |January 1, 1986
    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

    [Use of biological microchips in the determination of drug-resistance of Mycobacterium tuberculosis to rifampicin].

    Problemy tuberkuleza i boleznei legkikh·2005
    Same author

    Knowing from whence we came: reflecting on return-to-work and interpersonal relationships.

    Canadian journal of occupational therapy. Revue canadienne d'ergotherapie·2002
    Same author

    Expanding the boundaries of occupational therapy practice through student fieldwork experiences: description of a provincially-funded community development project.

    Canadian journal of occupational therapy. Revue canadienne d'ergotherapie·2002
    Same author

    Randomized prospective evaluation of a novel technique for biopsy or lumpectomy of nonpalpable breast lesions: radioactive seed versus wire localization.

    Annals of surgical oncology·2001
    Same author

    New vaccines for mycobacterial infections "desperately needed".

    Lancet (London, England)·2001
    Same author

    Serum organochlorine levels and breast cancer: a nested case-control study of Norwegian women.

    Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology·2001

    This study investigated the central processor hypothesis in nonfluent aphasia. Findings suggest sex differences in processing hierarchical structures, challenging the hypothesis and indicating potential sex-based brain specialization variations.

    Area of Science:

    • Neuroscience
    • Cognitive Psychology
    • Linguistics
    • Neurolinguistics

    Background:

    • The central processor hypothesis posits that hierarchical linguistic and nonlinguistic structures share a common neural substrate.
    • Previous research indicated that Broca's aphasia impairs both linguistic and nonlinguistic hierarchical processing.
    • Replication and refinement of these findings are crucial for understanding brain-behavior relationships in aphasia.

    Purpose of the Study:

    • To replicate and test the central processor hypothesis in nonfluent aphasic patients.
    • To investigate the role of sex in the processing of hierarchical linguistic and nonlinguistic information.
    • To examine the influence of post-stroke interval, hand, and gender on task performance.

    Main Methods:

    Related Experiment Videos

    • Eight nonfluent aphasic patients performed a visual-spatial task involving the reconstruction of hierarchical stick designs from memory.
    • Controlled for post-stroke interval, responding hand, and gender.
    • Compared performance between male and female aphasic participants.

    Main Results:

    • A significant sex difference emerged: only female aphasic participants exhibited difficulties with hierarchical visual-spatial arrangement.
    • This finding contrasts with previous reports suggesting a generalized deficit in hierarchical processing in Broca's aphasia.
    • Controlled variables did not account for the observed sex-specific deficit.

    Conclusions:

    • The strong form of the central processor hypothesis is disputed by the observed sex difference.
    • Results support the view that females may exhibit greater partial noncomplementarity of brain specialization for language and spatial functions.
    • Further research is warranted to explore sex-based differences in hemispheric specialization and their implications for cognitive processing in aphasia.