Figure 1
From: Stimulus arousal drives amygdalar responses to emotional expressions across sensory modalities

Each condition was presented in one block, consisting of ten trials. Visual stimuli were presented for 658 ms, while acoustic stimuli were in average presented for 658 ms with a stimulus onset asynchrony of 2000 ms. When presenting auditory stimuli, a blank screen was presented simultaneously. Each block was presented twice resulting in 20 blocks per run. Sequence of blocks were counterbalanced between runs and across participants. Participants were instructed to perform a gender judgment task in order to ensure that participants paid attention to the presented voices and faces.