Anodal Transcranial Direct-Current Stimulation Over the Right Dorsolateral Prefrontal Cortex Influences Emotional Face Perception

Emotional face detection task. A In Experiments 1, 2 and 3, the visual stimulus contained four schematic faces (one emotional and three neutral). B In Experiment 4, the visual stimulus was replaced by four scrambled faces. C The sequence of stimuli in the experimental procedure