Week 7 Psychotic Disorders

Question 1

Define Schizophrenia

Answer 1

A common and devastating psychiatric illness characterized by psychosis an disintegration of abilities to think logically and maintain normal social behavior

Question 2

What are the positive symptoms of schizophrenia?

Answer 2

hallucinations and delusions

Question 3

What are the negative symptoms of schizophrenia?

Answer 3

flat affect, avolition (lack of motivation), alogia (poverty of speech, though), distinterest, social withdrawal

Question 4

What are the diagnostic features of schizophrenia according to DSM V?

Answer 4

A. Total duration of symptoms of at least 6 months, including prodromal, active, and residual phases
B. An active phase of at least 1 month (less if treated) characterized by at least 2 of the following (1 of which must be delusions, hallucinations or disorganized speech):
-delusions
-hallucinations
-disorganized speech
-grossly disorganized or catatonic behavior, including: neglect of self care and deterioration of ability to function, psychomotor abnormalities, decreased reactivity to envier., bizarre posturing, muscular rigidity, purposeless activity, passive resistance
C. negative symptoms
D. Symptoms are not better explained as part of a mood disorder, schizoaffective disorder, psychosis due to a general medical condition or substance abuse
E. Associated features
-inappropriate or bizarre emotions
-suicide attempts
-sleep disturbance
-cognitive problems with difficulty concentrating and remembering
-motor abnormalities such as rocking, pacing, stereotypes
-substance abuse

Question 5

What is schizophreniform disorder?

Answer 5

Like schizophrenia except:

• Impairment in social, occupational, or academic functioning is usually present in schizophrenia, but such impairment may or may not be present in schizophreniform disorder
• lasts at least 1 month but less than 6 months

Question 6

What is brief psychotic disorder?

Answer 6

A. Presence of one or more of the following
-delusions
-hallucinations
-disorganized speech
-grossly disorganized or catatonic behavior
B. at least 1 day, but less than 1 month
C. Rule out mood disorder, schizoaffective, schizophrenia, others

Question 7

What is schizoaffective disorder?

Answer 7

• patient has features of both schizophrenia and a mood disorder (bipolar disorder or depression) but does not strictly meet diagnostic criteria for either alone
• a psychotic condition lasts two-weeks continuously or longer without mood symptoms

Question 8

What is delusional disorder?

Answer 8

A. non-bizzare delusions (situations that occur in real life) of at least 1 month’s duration
b. Criterion A for schizophrenia has never been met
C. function not markedly impaired
D. brief if mood episodes occur concurrently
E. disturbance not due to physiological effects of a substance

Question 9

Psychological disturbances in schizophrenia involve disturbances in:

Answer 9

1. content and form of thought: illogical, bizarre, unorganized
2. Perception: influenced by hallucinations or delusions
3. affect: inappropriate or blunted
4. sense of self: confusion, sense of controlled by another
5. volition: lack of initiative, motivation, goal directed behavior
6. relationship to outside world: difficulty adapting
7. psychomotor behavior: repetitive behavior, aimless, inappropriate