What are the 5 components of a delusion?
- A belief
- Based on inference
- The inference is incorrect
- It is a strongly held belief
- It is culturally unusual
What is it called when a delusion only concerns a single topic?
Monothematic delusions
Does neurological damage cause monothematic delusions? T/F
True
What is it called when there is a belief that an imposter has replaced someone emotionally close to you?
Capgras delusions
According to the normal face processing dual route by Bauer 1984, damage to the ventral pathway causes
a) Prosoprgnosia
b) Capgras delusions
A) Prosoprgnosia
According to the normal face processing dual route by Bauer 1984, damage to the dorsal pathway causes
a) Prosoprgnosia
b) Capgras delusions
b) Capgras delusions
The two-factor theory by Coltheart states that Capgras patients do not lack the autonomic response to a familiar face. T/F
False, they do lack the autonomic response to a familiar face
What does the Two Factor Theory by Coltheart say about Capgras Delusions?
1) Capgras patient lacks the autonomic response to a familiar face (First factor)
2) Damage to the right hemisphere (second deficit) > Right lateral prefrontal cortex
A patient might believe that all the doctors and nurses who interact with them are actually the same single person in different uniforms and disguises. This is an example of what delusion?
Fregoli delusions
Define Cotard Delusions
A false belief that you are dead or that parts of your body are dead
Individuals with Cotard delusions have problems recognising:
faces
buildings
places
What is Reverse Intermetamorphosis?
The false belief that you have changed psychologically and physiologically into another person
What type of delusion is it when you think your reflection in the mirror is a stranger
Mirrored-Self Misidentification
What is Somatoparaphrenia?
where a person has a delusional belief that a limb—most commonly the one opposite a brain lesion—does not belong to them.
What is the delusion called where a person believes their thoughts, actions, or movements are being controlled by an external source
Delusion of alien control
“The person I see when I look in the mirror isn’t me, but some stranger who looks like me”
mirrored-self misidentification
“This isn’t my arm, it is my husband’s”
somatoparaphrenia
“I am dead”
Cotard delusion
“People I know are following me around, but in disguise, so I can never recognise them”
Fregoli delusion
“Other people can cause my limbs to move without my intending them to move”
alien control delusion
A delusion where a person believes a duplication of another person exists is known as?
Reduplicative paramnesia of person
Define place reduplication?
The delusion or belief that a place has been duplicated and exists in at least two or more locations simultaneously
What are the 3 variations of Place Reduplication?
1) Place Reduplication
2) Chimeric Assimilation
3) Extravagant Spatial Localisation
When a patient’s delusions include two places becoming combined, this is known as?
Chimeric Assimilation
