Learning to find spatially reversed sounds.

Adaptation to systematic visual distortions is well-documented but there is little evidence of similar adaptation to radical changes in audition. We use a pseudophone to transpose the sound streams arriving at the left and right ears, evaluating the perceptual effects it provokes and the possibility of learning to locate sounds in the reversed condition. Blindfolded participants remain seated at the center of a semicircular arrangement of 7 speakers and are asked to orient their head towards a sound source.

Knowledge, acceptance and perception towards brainstem death among medical students in Hong Kong: a questionnaire survey on brainstem death.

Background: Brainstem death (BSD), defined as the irreversible loss of consciousness, brainstem reflexes and the capacity to breathe, is not an uncommon scenario seen in the day to day practice of medical personnel. Upon the diagnosis of BSD, controversial issues of withdrawing life-supporting treatments and organ procuring for transplantation inevitably arise. This study evaluated the knowledge, acceptance and perception of BSD amongst medical students in Hong Kong.