Gender Differences in Connectome-based Predictions of Individualized Intelligence Quotient and Sub-domain Scores.

Cerebral Cortex
Rongtao JiangJing Sui

Abstract

Scores on intelligence tests are strongly predictive of various important life outcomes. However, the gender discrepancy on intelligence quotient (IQ) prediction using brain imaging variables has not been studied. To this aim, we predicted individual IQ scores for males and females separately using whole-brain functional connectivity (FC). Robust predictions of intellectual capabilities were achieved across three independent data sets (680 subjects) and two intelligence measurements (IQ and fluid intelligence) using the same model within each gender. Interestingly, we found that intelligence of males and females were underpinned by different neurobiological correlates, which are consistent with their respective superiority in cognitive domains (visuospatial vs verbal ability). In addition, the identified FC patterns are uniquely predictive on IQ and its sub-domain scores only within the same gender but neither for the opposite gender nor on the IQ-irrelevant measures such as temperament traits. Moreover, females exhibit significantly higher IQ predictability than males in the discovery cohort. This findings facilitate our understanding of the biological basis of intelligence by demonstrating that intelligence is underpinned by ...Continue Reading

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Citations

Jan 11, 2021·Brain Structure & Function·Nora BittnerSvenja Caspers
Dec 29, 2020·Cognitive Neuroscience·Link Tejavibulya, Dustin Scheinost
Jun 27, 2021·Journal of Neuroscience Methods·Ming XuJing Sui
Jul 4, 2021·NeuroImage. Clinical·Fan Nils YangXiong Jiang
Aug 28, 2021·NeuroImage·Seyedeh-Rezvan FarahibozorgMark W Woolrich
Nov 11, 2021·Brain Imaging and Behavior·Martin HanikIslem Rekik

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