Schizophrenia

Question 1

What percentage of the population does schizophrenia affect?

Answer 1

1% (20 million people worldwide)

Question 2

Classification

Answer 2

Organising symptoms into categories based on which symptoms cluster together in sufferers i.e. categorising the symptoms of schizophrenia. Two systems: DSM-5 (US) and ICD-11 (international).

Question 3

Diagnosis

Answer 3

Deciding whether someone has a particular mental illness using the classifications.

Question 4

DSM-5

Answer 4

Two positive symptoms are needed over a minimum period of 6 months.

Question 5

ICD-11

Answer 5

Two or more negative symptoms are needed for a positive diagnosis.

Question 6

Positive symptoms

Answer 6

Atypical symptoms experienced in addition to normal experiences (an excess or distortion of normal functioning).
Hallucinations and distortions.

Question 7

Negative symptoms

Answer 7

Atypical experiences that represent the loss of a usual experience (a diminution or loss of normal functioning) e.g., depression.

Question 8

Hallucinations

Answer 8

disturbances of perception in any of the senses. False perceptions that either have no basis in reality or are distorted perceptions of things that are. Most common is auditory hallucinations (hearing voices).

Question 9

Delusions

Answer 9

Firmly held irrational beliefs that have no basis in reality. Four types.

Question 10

The four types of delusions.

Answer 10

Delusions of persecution
Delusions of grandeur
Delusions of control
Delusions of reference

Question 11

Delusions of persecution

Question 12

Delusions of grandeur

Question 13

Delusions of control

Question 14

Delusions of reference

Question 15

Avolition