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Table 2. 

Working Memory Development Effects on Change in Cortical Clusters

Cortical Cluster
Sex
Age
Working Memory Development
Model
β
t (p)
β
t (p)
β
t (p)
R2
F (p)
Prefrontal LH −0.07 −0.63 (.532) −0.37 −2.93 (.005) −0.27 −2.08 (.041) .11 3.10 (.032) 
Prefrontal RH −0.05 −0.49 (.622) −0.33 −2.56 (.012) −0.28 −2.21 (.030) .09 2.60 (.058) 
Central LH −0.20 −1.86 (.067) −0.13 −1.04 (.301) −0.30 −2.32 (.023) .10 2.85 (.043) 
Central RH −0.08 −0.72 (.473) 0.20 1.63 (.108) −0.29 −2.38 (.020) .19 5.72 (.001) 
Parietal LH −0.16 −1.45 (.151) 0.11 0.85 (.398) −0.29 −2.35 (.021) .15 4.42 (.006) 
Parietal RH −0.11 −1.09 (.280) 0.18 1.47 (.145) −0.29 −2.38 (.020) .18 5.54 (.002) 
Cortical Cluster
Sex
Age
Working Memory Development
Model
β
t (p)
β
t (p)
β
t (p)
R2
F (p)
Prefrontal LH −0.07 −0.63 (.532) −0.37 −2.93 (.005) −0.27 −2.08 (.041) .11 3.10 (.032) 
Prefrontal RH −0.05 −0.49 (.622) −0.33 −2.56 (.012) −0.28 −2.21 (.030) .09 2.60 (.058) 
Central LH −0.20 −1.86 (.067) −0.13 −1.04 (.301) −0.30 −2.32 (.023) .10 2.85 (.043) 
Central RH −0.08 −0.72 (.473) 0.20 1.63 (.108) −0.29 −2.38 (.020) .19 5.72 (.001) 
Parietal LH −0.16 −1.45 (.151) 0.11 0.85 (.398) −0.29 −2.35 (.021) .15 4.42 (.006) 
Parietal RH −0.11 −1.09 (.280) 0.18 1.47 (.145) −0.29 −2.38 (.020) .18 5.54 (.002) 

Multiple regression analyses on annual volume change, with gender, age, and annual change in working memory performance as independent variables.

Bold: p < .05.

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