Nihilistic delusions are mood congruent delusions, which are generally depressive forms of self-blame with feelings of guilt and hypochondriacal ideas that are .\r<br>\r<br>Uncaptioned version: \r<br>\r<br>Overview o First described by Dr. Jules Cotard in 1880 + He called it delusion of negations (delire des negations) o Believed it to be a new kind of depression.\r<br>\r<br>The philosophy of Kurzgesagt. Support us on Patreon so we can make more videos (and get cool stuff in return): .