Figure 4.

Mean bias scores for later fixation count for happy and sad facial expressions. (a) Comparison between happy and sad facial expressions in depressed patients in the remission stage (RD group) and healthy control subjects (HC group); (b) Comparison between the RD group and HC group for happy and sad facial expressions. Scores >0 indicate a bias toward emotional facial expressions while score ≤0 indicate a bias toward neutral faces. *Significant difference (P < 0.05); n.s., no significant difference (P ≥ 0.05); error bars represent standard error.