Define hallucination.
A perception in the absence of a stimulus.
What are hypnagogic and hypnopompic hallucinations?
Hypnagogic – state before falling asleep
Hypnopompic – state before waking up
What are the 4 main kinds of hallucinations?
Define extracapine hallucinations.
A sense of presence/movement in the absence of such a stimulus (i.e. someone is near you)
Define elemental hallucinations.
Ssimple hallucinations - e.g. flashing lights, noises etc
Define Charles de bonnet hallucinations.
Recurring hallucinations in someone with impaired vision.
Define illusion.
An altered perception of a real object
Define pareidolic illusion.
Perceived meaningful images from vague stimuli (i.e. seeing a face in a fire)
Define delusion.
A fixed, false belief, held despite evidence to the contrary that is not explained by the patient’s background.
Define mood incongruent.
Behaviours that are not consistent with a patient’s current mindset or are at conflict with current situational factors.
Define mood congruent.
Behaviours that are consistent with a patient’s current mindset or are at conflict with current situational factors.
Define persecutory/paramoid delusions.
Patient, or a loved one, are being hunted by the FBI
Define passivity/control delusions.
Patient belives someone else is controlling them
Define grandiose delusions.
A delusion in which one believes they are someone of great importance
Define reference delusion.
Patient thinks they are receiving messages in the dialogue of a TV programme (the reference)
Define somatic delusions.
Delusion related to the body and functions rather than mind
Define Ekbom’s syndrome.
Belief that one is infested with parasites
Define hypochondriasis.
Unconsciously pretending they have a medical illness
Define Munchausen.
Consciously pretending they have a medical illness as they have satisfaction in taking a sick role
Define Munchausen by proxy.
A person abusing another person to take them in for care
Define malingering delusions.
Lying or exaggerating symptoms for some gain
Define Othello syndrome.
One believes their partner is being unfaithful
Define De Clerembault’s syndrome/erotomania
Excessive sexual desire
Define Capgras delusions.
Believing a close acquaintance has been replaced by an imposter