]>Panic Disorder: Is the PAG Involved? : Figure 3
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Figure 3: Statistical parametric maps displaying significant differences in gray matter volume of PD patients ( 𝑛 = 1 9 ) relative to healthy controls ( 𝑛 = 2 0 ). (a) Increased gray matter volume, (b) decreased gray matter volume. 1 = l e f t insula; 2 = l e f t superior temporal gyrus; 3 = m i d b r a i n ; 4 = r i g h t anterior cingulate.