Classification of Schizophrenia Flashcards
(11 cards)
What is Schizophrenia?
A psychotic disorder involving a distorted perception of reality.
Affects approximately 1% of the population.
When does Schizophrenia typically onset?
Usually begins in early adulthood; males are typically diagnosed earlier than females.
What are the symptoms of Schizophrenia?
Can be either positive (e.g. hallucinations, delusions) or negative (e.g. speech poverty, avolition).
What are Positive Symptoms?
Additions to normal experiences.
Examples include hallucinations and delusions.
What are Negative Symptoms?
Loss or reduction of normal functions.
Examples include speech poverty and avolition.
What are Hallucinations?
Unusual sensory experiences without external stimuli.
Types include visual (seeing things that don’t exist) and auditory (hearing voices that aren’t real).
What are Delusions?
Irrational beliefs that contradict reality.
Types include paranoid delusions (belief that others are targeting or spying on the individual) and delusions of control (belief that thoughts or actions are being controlled by others).
What is Speech Poverty?
Limited or repetitive speech, often with delayed responses in conversation.
What is Avolition?
Lack of motivation to carry out purposeful activities.
Signs include poor hygiene, absence from work/school, and low energy levels.
What is the classification of Schizophrenia?
Grouping schizophrenia as a distinct disorder by identifying a unique set of symptoms.
Purpose is to allow for accurate diagnosis and to support the delivery of appropriate treatment.
How is Schizophrenia classified?
Manuals used include DSM-5 (USA) and ICD-10 (used internationally).
DSM-5 requires 2+ symptoms for over a month with at least 1 symptom being positive; ICD-10 requires 1 positive symptom OR 2 symptoms (positive or negative) for over a month.
