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 differences for visual search: serial vs parallel processing revisited

J M Polich

    Neuropsychologia
    |January 1, 1982
    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

    The effect of problem size on representation in deductive problem solving.

    Memory & cognition·2013
    Same author

    Olfactory event-related potentials and aging: normative data.

    International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2000
    Same author

    Hemispheric memory for random forms revisited.

    Brain and cognition·1982
    Same author

    The validity of self-reports in alcoholism research.

    Addictive behaviors·1982
    Same author

    Epidemiology of alcohol abuse in military and civilian populations.

    American journal of public health·1981
    Same author

    Patterns of alcoholism over four years.

    Journal of studies on alcohol·1980
    Same journal

    Prevalence and modulation of rat off-track head scanning on linear tracks: possible implications for representational and dynamic properties of hippocampal place cells.

    Neuropsychologia·2026
    Same journal

    Identifying networks within an fMRI multivariate searchlight analysis.

    Neuropsychologia·2026
    Same journal

    Modulating sentence comprehension in people with aphasia through anodal tDCS: A double-blind randomized cross-over study.

    Neuropsychologia·2026
    Same journal

    Deficient processing of regularity violations during visuospatial neglect: a visual mismatch negativity study.

    Neuropsychologia·2026
    Same journal

    Seeing is believing: mental imagery amplifies moral, emotional, and motivational responding to mentally constructed hypothetical events.

    Neuropsychologia·2026
    Same journal

    From past recall to future projection: What does verb tense production reveal about mental time travel in Alzheimer's disease?

    Neuropsychologia·2026
    See all related articles

    The left hemisphere processes visual information faster and more accurately than the right. This left-hemisphere advantage persists regardless of stimulus complexity or practice, indicating efficient parallel processing for feature analysis.

    Area of Science:

    • Cognitive Neuroscience
    • Neuropsychology
    • Visual Perception

    Background:

    • Hemispheric lateralization of cognitive functions is a key area of research.
    • Understanding visual processing differences between the left and right hemispheres is crucial for cognitive science.

    Purpose of the Study:

    • To investigate hemispheric differences in visual information processing.
    • To determine if the left hemisphere exhibits advantages in tasks requiring featural analysis.
    • To examine the impact of array size and practice on visual judgment tasks.

    Main Methods:

    • Tachistoscopic presentation of visual arrays (2-4 stimuli) to either the left or right hemisphere.
    • Subjects judged if all stimuli were identical or if one was different.
    • Stimuli included featurally similar letters and symbols.

    Related Experiment Videos

  • Response times and accuracy rates were recorded.

    • Main Results:

    • Faster and more accurate performance was observed for stimuli presented to the left hemisphere compared to the right.
    • Response times were not affected by array size.
    • Same judgments were faster than different judgments across both visual fields.
    • Extensive practice improved performance but did not alter the observed hemispheric effects.

    Conclusions:

    • The left hemisphere demonstrates superior efficiency in parallel processing for visual tasks demanding featural analysis.
    • Hemispheric specialization for visual perception is evident, with the left hemisphere excelling in detailed feature discrimination.
    • Task demands, specifically the need for featural analysis, appear to engage the left hemisphere's parallel processing capabilities.