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    Area of Science:

    • Neuroscience
    • Cognitive Psychology
    • Neuropsychiatry

    Background:

    • The concept of a
    • minor
    • right hemisphere
    • is challenged by its critical roles.
    • The right hemisphere is dominant for key functions including awareness, spatial attention, and emotional regulation.

    Purpose of the Study:

    • To refute the notion of a
    • minor
    • right hemisphere.
    • To highlight the essential functions of the right hemisphere in human cognition and experience.

    Main Methods:

    • Review of clinical syndromes associated with right hemisphere damage.
    • Analysis of right hemisphere functions in awareness, attention, emotion, and language.

    Main Results:

    • The right hemisphere is essential for awareness (nosognosia), spatial attention, emotional regulation, facial/voice recognition, and topographical orientation.
    • Damage leads to syndromes like unilateral spatial neglect, visual agnosia, anosognosia, and altered emotional and linguistic processing.
    • It modulates emotional aspects of communication (prosody) and holistic language understanding (figurative language).

    Conclusions:

    • The right hemisphere is not minor but dominant for crucial aspects of human experience and consciousness.
    • Future multidisciplinary research is needed to unravel mysteries of emotion, cognition-perception interaction, and consciousness linked to the right hemisphere.