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

Hemispheric patterns in visual search.

J Polich

    Brain and Cognition
    |April 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    The left hemisphere processes visual search tasks faster and more accurately than the right hemisphere. This advantage stems from superior fine-grained feature analysis, not a serial/parallel processing difference.

    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

    Hemispheric differences for visual matrix processing: stimulus size and spatial frequency effects.

    Brain and cognition·2001
    Same author

    P3a from a passive visual stimulus task.

    Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2001
    Same author

    P300 asymmetry in schizophrenia: a meta-analysis.

    Psychiatry research·2001
    Same author

    Wavelet analysis of P3a and P3b.

    Brain topography·2001
    Same author

    P300 and alpha event-related desynchronization (ERD).

    Psychophysiology·2001
    Same author

    Auditory P3a deficits in male subjects at high risk for alcoholism.

    Biological psychiatry·2001
    Same journal

    Gelastic dysarthria: Speech-triggered pathological laughter with evidence for a selective pontine gating mechanism.

    Brain and cognition·2026
    Same journal

    Brain correlates of linguistic-cognitive stimulation in neurotypical and Atypical older adult populations: A systematic review.

    Brain and cognition·2026
    Same journal

    Effects of Dieting on Neural Encoding of Preferences for Edible and Non-Edible Rewards: An ERP Study.

    Brain and cognition·2026
    Same journal

    Structural complexity of brain regions in mild cognitive impairment and Alzheimer's disease.

    Brain and cognition·2026
    Same journal

    Spatial navigation training enhances performance on large-scale and small-scale spatial tasks through different neural mechanisms.

    Brain and cognition·2026
    Same journal

    Unraveling the link between brain injury and enhanced artistic skills.

    Brain and cognition·2026
    See all related articles

    Area of Science:

    • Cognitive Neuroscience
    • Neuropsychology
    • Visual Perception

    Background:

    • Hemispheric specialization influences cognitive processing.
    • Understanding visual search mechanisms is key to cognitive science.
    • Previous research suggests a serial/parallel processing dichotomy in brain function.

    Purpose of the Study:

    • To investigate hemispheric differences in visual search processing.
    • To determine if the left hemisphere (LH) or right hemisphere (RH) is superior for visual search.
    • To explore the role of fine-grained feature analysis versus serial/parallel processing in hemispheric advantages.

    Main Methods:

    • Visual search paradigm using tachistoscopic presentation.
    • Stimulus arrays of 4, 9, or 16 elements presented to the right visual field-left hemisphere (RVF-LH) and left visual field-right hemisphere (LVF-RH).

    Related Experiment Videos

  • Task: Judge if all elements were identical or if one differed.

    • Main Results:

    • Left hemisphere (RVF-LH) presentations were faster and more accurate than right hemisphere (LVF-RH) presentations across all conditions.
    • Increasing array elements led to more errors and longer response times for different stimuli.
    • Fewer errors and shorter response times were observed for same stimuli as array size increased.

    Conclusions:

    • The left hemisphere demonstrates a clear advantage in visual search tasks.
    • This advantage is attributed to the LH's superior capacity for fine-grained feature analysis.
    • Results challenge a fundamental hemispheric serial/parallel processing dichotomy explanation for visual search efficiency.