13 Questions
Which of the following is a necessary criterion for a diagnosis of schizophrenia according to DSM-5?
All of the above
Which of the following is NOT a symptom of schizophrenia according to DSM-5?
Anxiety
How long must the symptoms be present for a diagnosis of schizophrenia according to DSM-5?
6 months
An individual must have at least how many specified symptoms to be diagnosed with schizophrenia?
At least 2 symptoms
Which of the following changes did the DSM-5 make to the diagnostic criteria for schizophrenia?
All of the above
Why did the DSM-5 eliminate the distinction between different subtypes of schizophrenia?
Concerns about the reliability and clinical utility of these subtypes
What is the purpose of the dimensional approach introduced in the DSM-5?
To allow for a more flexible understanding of symptom severity and variations in symptom presentation
Which rating scale is used to assess symptom severity in individuals with schizophrenia?
0 = not present to 4 = present and severe
In addition to hallucinations, delusions, disorganized speech, and negative symptoms, what other aspects are captured by the eight-item dimensional rating scale?
Impaired cognition, depression, and mania
Which disorder is characterized by the presence of persistent and non-bizarre delusions?
Delusion disorder
Which disorder is a short-lived episode of psychosis lasting between one day and one month, usually triggered by stress or trauma?
Brief Psychotic Disorder
Which disorder is an episode of psychosis lasting between one and six months, with symptoms similar to schizophrenia but no prior schizophrenic history?
Schizophreniform Disorder
Which disorder combines features of both schizophrenia and mood disorders?
Schizoaffective disorder
Study Notes
Diagnostic Criteria for Schizophrenia according to DSM-5
- A diagnosis of schizophrenia requires the presence of at least two of the following symptoms: delusions, hallucinations, disorganized speech, grossly disorganized or catatonic behavior, and negative symptoms.
- Symptoms must be present for at least 6 months, with at least one month of active symptoms.
Changes in DSM-5 Diagnostic Criteria
- DSM-5 eliminated the distinction between different subtypes of schizophrenia, such as paranoid, disorganized, and catatonic schizophrenia, as they were not found to be reliable or valid.
Dimensional Approach
- The dimensional approach in DSM-5 assesses symptom severity in individuals with schizophrenia using a rating scale.
- The eight-item dimensional rating scale captures the following aspects:
- Hallucinations
- Delusions
- Disorganized speech
- Disorganized/catatonic behavior
- Negative symptoms
- Restricted emotional expression
- Avolition
- Cognitive impairment
Other Psychotic Disorders
- Delusional disorder is characterized by the presence of persistent and non-bizarre delusions.
- Brief psychotic disorder is a short-lived episode of psychosis lasting between one day and one month, usually triggered by stress or trauma.
- Schizophreniform disorder is an episode of psychosis lasting between one and six months, with symptoms similar to schizophrenia but no prior schizophrenic history.
- Schizoaffective disorder combines features of both schizophrenia and mood disorders.
Test your knowledge of the DSM-5 diagnostic criteria for schizophrenia and learn about the symptoms, duration, and impact on daily life. Identify the key symptoms and understand the criteria for diagnosis.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
