Davidson et al. (1990) had subjects watch amusing and gruesome film clips. Analysis of electroencephalogram (EEG) recordings and subjects's facial expressions during the viewings of these films revealed that positive facial expressions (e.g., a smile) were associated with _____________; whereas negative facial expressions (e.g., a wrinkling of the nose) were associated with ________________:

Question

Quizplus · Accepted Answer

Davidson et al. (1990) found that positive emotions (e.g., happiness, indicated by a smile) were associated with increased activity in the left frontal region of the brain, while negative emotions (e.g., disgust, indicated by a wrinkling of the nose) were associated with increased activity in the right frontal region. This research supports the notion of lateralization of emotion in the brain.

Davidson Et Al