Brain regions showing a significant group difference in reality evaluation-related activity and their correlations with the Positive and Negative Syndrome Scale (PANSS) positive scores.

<p>Scatter plots depict the relationship between the regional percent signal change and PANSS positive scores in patients. The percent signal changes of the left and right parahippocampal gyri during reality evaluation were significantly lower in patients than in controls, and they were significantly correlated with the PANSS positive scores in patients *Significant finding at <i>P</i> < 0.05.