Eye color and responsiveness to arousing stimuli.

The hypothesis was advanced that dark-eyed subjects are more responsive to arousing stimuli than light-eyed subjects. 40 subjects listened to neutral and arousing auditory stimuli and viewed scenes which were neutral, violent, or sexual in nature. The dependent measure of arousal was a score derived from a combination of physiological responses recorded on a polygraph. Scores were significantly higher for dark-eyed than light-eyed subjects. Significant sex differences were also found, females having higher scores than males. Implications for future research and application were discussed.