<prompt> Nihilistic ideas are seen in -a Simple schizophreniab Paranoid schizophreniac Cotards syndromed Depressione Body dysmorphic disordercdbcbdac  <response>: Nihilistic delusion is false belief that oneself, other or the world is non-existent or about to end. It is seen in severe depression.If nihilistic delusions are accompanied by ideas concerning bodily function failure, the syndrome is called Cotards syndrome. 