Figure 3.

Brain areas showing significant relationships between local cortical thickness and patients' polysomnography parameters. Significant negative correlations between cortical thickness and arousal index (per hour), respiratory arousal (%), and apnea maximum duration (sec) at the level of P < 10^-3 after accounting for the effect of age and brain size. The x-axis indicates polysomnography parameters; the y-axis indicates standardized residuals of cortical thickness at peak vertices. Detailed regional information listed in Table 4.