Definitions Flashcards
Hallucination
Perception of a stimulus in the absence of a stimulus e.g. hearing a voice that isn’t there
Illusion
Misinterpretation of a stimulus e.g. seeing a radiator moving
Delusion
Maintained belief despite being contradicted by reality or rational argument e.g. Laura is Jesus
Derailment
A type of thought disorder also known as loosening of associations, that describes someone speaking with a sequence of unrelated or slightly related topics
Depersonalisation
A perception that your body, feelings emotions behaviours are not your own.
Derealisation
An unpleasant perception that the external world is not real
2nd person auditory hallucination
Voices that address the patient directly “you are bad”
3rd person auditory hallucination
Voices that speak about the patient in the third person “he is the worst”
Pseudo hallucinations
Vivid sensation, but that lack a likeness to the real world. For instance hearing a voice from behind you is a hallucination, whereas hearing a voice coming from inside your own head is a pseudohallucination
Absconding
Running away from the law
Elementary hallucination
Noises e.g. rattling
Capgras Syndrome
The belief that someone close to the patient has been replaced by a double
De clerambaults syndrome
A delusion where the patient believes someone is in love with them and that they are destined to be together
Fregoli syndrome
A delusion where the patient believes that strangers have been replaced by one familiar person who changes appearances or adopts a disguise
Cotard syndrome
Psychotic depressive presentation where the patient has nihilistic and hypochondriacal delusions (especially that their organs don’t work or that they are hollow)
