Hallucinations

Question 1

Where are hallucinations experienced?

Answer 1

Originating in real space, not just in thoughts

Question 2

When are hallucinations significant?

Answer 2

In context of other relevant symptoms

Question 3

What is the pathophysiology of hallucination?

Answer 3

Pattern of brain activity during auditory hallucinations is very similar to that of normal inner speech.
Supplementary motor area (monitors self-generated actions) hippocampus- parahippocampal gyrus detects mismatch between perceived and expected activity.

Question 4

What are the different types of hallucination?

Answer 4

Auditory
Visual
Olfactory
Gustatory
Somatic

Question 5

What are the types of auditory hallucination?

Answer 5

Second person voices which directly address the patient

Third person voices which discuss the patient or provide a running commentary on his actions

Thought echo: experiences their own thoughts spoken or repeated out loud

Question 6

Describe visual hallucinations?

Answer 6

Often associated with altered consciousness/organic impairment

Simple e.g. flashes of light

Complex e.g. face or figure

Question 7

Describe somatic hallucinations

Answer 7

Bodily sensations
Insects crawling under skin
Being touched