Recent studies have shown that emotionally significant stimuli are often better identified than neutral stimuli. It is not clear, however, whether these results are due to enhanced perceptual processing or to a bias favoring the identification of emotionally significant stimuli over neutral stimuli. The present study used a two-alternative forced-choice perceptual identification task to disenta...

Introduction. Trichobezoars presents a rare form of bezoar made swallowed hair, with clinical manifestation gastric or intestinal obstruction, ulceration, bleeding, and perforation. It is predominantly found in emotionally disturbed mentally retarded youngsters, who eating their own hair which clinically known as trichophagia. Patients often deny makes diagnosis difficult. Case report. We are p...