Within the number processing network, girls and boys show statistical equivalence in neural maturity and no variance differences¶

Claim · All claims
Evidence · 1 study · associational r2 · q3
Currency · newest study 2019 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2024: baselines and conditions change

Subclaims¶

q3 i? In the independently-defined number processing network (bilateral IPS, bilateral IFG, ACC), ROI analyses showed statistical equivalence between genders, no mean differences, and no variance differences. → Kersey 2019

Evidence¶

Kersey 2019¶

Kersey, A. J., Csumitta, K. D., & Cantlon, J. F. (2019). Gender similarities in the brain during mathematics development. npj Science of Learning 4:19. https://doi.org/10.1038/s41539-019-0057-x

q3 · i? · associational · r2

Region-of-interest analyses on the number processing network defined by an independent localizer scan (number matching > face, shape, and word matching). The article reports the regions "showed statistical equivalence, not statistical differences, and no differences in variance" with full statistics in Supplementary Table 1.

"In accord with the whole-brain analyses, these regions showed statistical equivalence, not statistical differences, and no differences in variance (Fig. 4b; t tests: max t(102) = 1.08, p = 0.28; equivalence-tests: min t1(102) = 3.82, p = 0.0001"

Discussion¶

Related Claims¶

• Bayesian analysis finds substantial evidence for gender similarities in neural maturity in most of the brain, with fewer than 1% of voxels supporting gender differences — a broader claim this one bears on
• Whole-brain neural similarity between children is the same for same-gender and different-gender pairs — related
• Boys and girls show statistically equivalent neural maturity throughout the brain during mathematics video viewing — a broader claim this one bears on
• Children engaged number-selective neural responses in the intraparietal sulci during educational videos, and boys and girls did so equally — a narrower finding that bears on this claim
• Math ability predicts neural maturity in the same brain regions for boys and girls, with no gender-by-ability interaction — related
• In one small right posterior parietal region, girls showed greater neural variance than boys at equal mean activation — reports the opposite