thoughts-science-neuro-humanCognitiveFailureModes

• perseveration
  • in the extreme, under the influence of certain drugs, users may actually display 'thought loops', e.g. this report from an Erowid 'experience log':

http://www.erowid.org/experiences/exp.php?ID=98945

T-01:40 We drive off in the boat, by this point R is very steeply coming up, he begins to be stuck in a though loop, which involved this conversation: R: 'You took 2 tabs and smoked weed?' Me: 'Yeah' R: 'How?!' Me: 'I just managed, I suppose' This conversation repeated at least once a minute, for about 30 minutes."