Introversion and extroversion are defined by specific behavioral and neurological traits
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
Introversion and extroversion are well-established psychological concepts defined by distinct behavioral characteristics and supported by neurological and brain-imaging research.
Evidence for · 7
Wikipedia: Extraversion and introversion
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Wikipedia: Classification of personality disorders
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en.wikipedia.org: Extraversion and introversion
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Notes that behavioral and psychological characteristics distinguish introversion and extraversion.
sciencedirect.com: Differences in regional brain volume related to the extraversion–introversion dimension—A voxel based morphometry study
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Studies regional brain volume differences related to the extraversion-introversion dimension.
sciencedirect.com: The unique characteristics of extraversion: A systematic review and coordinate-based meta-analysis of resting state functional magnetic resonance imaging studies - ScienceDirect
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Examines fMRI studies correlating extraversion with specific brain activity and reward circuits.
frontiersin.org: Frontiers | Network-based mapping and neurotransmitter architecture of brain gray matter correlates of extraversion
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Discusses network-based mapping and neurotransmitter architecture of brain correlates of extraversion.
cambridge.org: Neurobiology of the structure of personality: Dopamine, facilitation of incentive motivation, and extraversion
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Explores the neurobiology and dopamine basis of extraversion as a personality trait.