Eye tracking in normal twins.
D000293:Adolescent; D000328:Adult; D005133:Eye Movements; D005260:Female; D006801:Humans; D008297:Male; D009039:Motion Perception; D011247:Pregnancy; D012438:Saccades; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic