Page(s) 577–578 which disorders emphasize emotional states? identify each scenario as an example of either an obsession or a compulsion. obsession every time leonardo sees a chewing gum spot on a sidewalk, he feels driven to step on it with his right foot. nikola walks through every doorway three times (forward, back, forward) and on meeting new people shakes their hand three times. howard refuses to get a haircut, due to fear of injury from the barber’s clippers. cameron has overwhelming anxiety about catching an illness from contact with objects other’s have touched. katy, determined to prevent tooth decay, brushes her teeth either exactly six or exactly twelve times in any a given day.