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Related Experiment Videos

Eyedness

B D Chaurasia, B B Mathur

    Acta Anatomica
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Most people are right-eyed, regardless of sex or handedness. This study investigated eyedness and gaze fixation in healthy individuals, suggesting a role for both cerebral hemispheres in bodily functions.

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    Area of Science:

    • Neuroscience
    • Ophthalmology
    • Human Physiology

    Background:

    • Eyedness, or ocular dominance, is crucial for visual perception and motor control.
    • Understanding the neurological basis of gaze fixation is key to comprehending visual-behavioral interactions.
    • Previous research indicates potential links between handedness and cerebral hemisphere dominance, but eyedness patterns require further clarification.

    Purpose of the Study:

    • To investigate the prevalence of "eyedness" (ocular dominance) in a healthy population from Central India.
    • To determine if eyedness is influenced by factors such as sex or handedness.
    • To explore the relationship between eyedness, gaze fixation, and cerebral hemisphere function.

    Main Methods:

    • A study was conducted on 283 right-handed and 30 left-handed healthy individuals.

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  • Participants' "eyedness" was assessed concerning their fixation of gaze on a particular point.
  • Data analysis focused on the distribution of eyedness across different demographic groups.

    • Main Results:

    • The majority of participants (65.81%) exhibited right-eyedness.
    • Eyedness was found to be independent of both sex and handedness in this population.
    • While the left cerebral hemisphere appears dominant for gaze fixation in most individuals, the study advocates for considering the interplay between both hemispheres.

    Conclusions:

    • Right-eyedness is the predominant pattern in the studied population.
    • Cerebral hemisphere dominance for gaze fixation is not solely determined by handedness or sex.
    • A holistic view of bilateral cerebral hemisphere function is essential for understanding individual bodily control.