Table 3. Linear regression model results (exploratory analyses).

Type of measure	Region	p-value
Volume	Amygdala	0.009 (0.470)
	Thalamus	0.058 (0.633)
Cortical Thickness	Pericalcarine	0.014 (0.397)
	Insula	0.036 (0.397)
	Transverse Temporal	0.062 (0.437)

Selected p-values describing significant measures associated with conversion status from secondary linear regression analyses of all available measures. P-values in parentheses are corrected for multiple comparisons across all similar exploratory measures.