Larger right fusiform surface area in bullied children partially suppresses the negative effect of bullying on crystallized composite and vocabulary scores¶

Claim · All claims
Evidence · 1 study (2 entries) · associational r2 · q3 · i1 small
Currency · newest study 2023 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i1 Bullied children had larger surface areas than non-bullied children in multiple cortices, including right fusiform (d = 0.88) and left superior parietal (d = 0.82). → Menken Miriam S. 2023 q3 i? Larger right fusiform surface area suppressed 11.8% of the bullying effect on the crystallized composite and 15.6% on picture vocabulary scores. → Menken Miriam S. 2023 (2)

Evidence¶

Menken Miriam S. 2023¶

Menken Miriam S., Rodriguez Rivera Pedro J., Isaiah Amal, Ernst Thomas, Cloak Christine C., Chang Linda. (2023). Longitudinal alterations in brain morphometry mediated the effects of bullying victimization on cognitive development in preadolescents. Developmental Cognitive Neuroscience. https://doi.org/10.1016/j.dcn.2023.101247

q3 · i1 · associational · r2

LMM analysis of cortical surface area in the matched ABCD sample. The article reports larger surface areas in eight named regions in bullied children, with effect sizes ranging from d = 0.34 to d = 0.88 as printed.

"bullied children had larger surface areas in multiple cortices, including left entorhinal (d=0.34, P = 0.042), left paracentral (d=0.46, P = 0.036), left pars orbitalis (d=0.46, P = 0.045), left superior parietal (d=0.82, P = 0.004), right fusiform (d=0.88, P = 0.002), right pars orbitalis (d=0.64, P = 0.017), right rostral middle frontal (d=0.72, P = 0.029), and right superior parietal (d=0.67, P = 0.018)"

Menken Miriam S. 2023 (2)¶

Menken Miriam S., Rodriguez Rivera Pedro J., Isaiah Amal, Ernst Thomas, Cloak Christine C., Chang Linda. (2023). Longitudinal alterations in brain morphometry mediated the effects of bullying victimization on cognitive development in preadolescents. Developmental Cognitive Neuroscience. https://doi.org/10.1016/j.dcn.2023.101247

q3 · i? · associational · r2

Mediation analysis using bullying-impacted regions from the LMMs. The article reports the fusiform surface area suppression effects with the printed indirect effects, percent suppressed values, and p-values; the authors frame this as a suppression effect per MacKinnon et al.

"the effect of bullying on Crystallized Composite and Picture Vocabulary test scores were suppressed by the larger right fusiform surface areas (Crystallized indirect effect: 0.12, percent suppressed: −11.8, P = 0.044; Picture Vocabulary indirect effect: 0.07, percent suppressed: −15.6, P = 0.028)"

Discussion¶

Related Claims¶

• Bullied girls show lower episodic memory and crystallized composite cognitive scores than non-bullied girls — related
• Bullied preadolescents show larger cortical volumes in left entorhinal, left superior parietal, and right fusiform regions than matched non-bullied peers
• Bullied preadolescent children have lower cognitive scores than non-bullied peers — related
• Bullied preadolescents show thinner cortices in left-hemisphere temporal, precentral, and right rostral middle frontal regions, and precentral thinning mediates 7% of the bullying effect on inhibitory control/attention — related