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Table A1. 

Results of Regression Models Predicting Global Motion and Form Thresholds from Bilateral Cortical Surface Areas of Each of the Four Cerebral Lobes (Table 2)

PredictionGlobal Motion ThresholdGlobal Form Threshold
Termt RatioProb > |t|t RatioProb > |t|
Intercept 7.41 <0.0001 3.94 0.0001 
Age −7.99 <0.0001 −3.64 0.0004 
Age-squared 4.69 <0.0001 1.83 0.069 
Sex −1.06 0.29 −0.27 0.79 
Scanner −0.91 0.36 −0.10 0.92 
Occipital area 2.15 0.033 0.30 0.76 
Parietal area −2.08 0.040 0.43 0.67 
Temporal area −0.55 0.58 0.01 0.99 
Frontal area 0.33 0.74 −1.05 0.29 
PredictionGlobal Motion ThresholdGlobal Form Threshold
Termt RatioProb > |t|t RatioProb > |t|
Intercept 7.41 <0.0001 3.94 0.0001 
Age −7.99 <0.0001 −3.64 0.0004 
Age-squared 4.69 <0.0001 1.83 0.069 
Sex −1.06 0.29 −0.27 0.79 
Scanner −0.91 0.36 −0.10 0.92 
Occipital area 2.15 0.033 0.30 0.76 
Parietal area −2.08 0.040 0.43 0.67 
Temporal area −0.55 0.58 0.01 0.99 
Frontal area 0.33 0.74 −1.05 0.29 

Variables predicting high sensitivity show a negative effect because this corresponds to low threshold.

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