Adaptation to speed distortions under water.
D000223:Adaptation, Psychological; D000293:Adolescent; D000328:Adult; D004215:Distance Perception; D004242:Diving; D005556:Form Perception; D006801:Humans; D007101:Immersion; D007600:Judgment; D008297:Male; D009039:Motion Perception; D055095:Optics and Photonics; D010469:Perceptual Distortion; D012858:Size Perception; D013998:Time Perception