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Symptoms of Schizophrenia> Positive Symptoms

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Estimated time: 14 minutes

Introduction
Positive Symptoms
Key Points: Symptoms of Schizophrenia> Positive Symptoms

Maharashtra State Board: Class 12
CISCE: Class 12

Introduction

Positive symptoms are pathological additions beyond normal functioning—hallucinations, delusions, disorganised speech/thinking, bizarre behaviour, and incongruent affect. About 70% of schizophrenia cases feature hallucinations; delusions often phase in/out but feel intensely real. These contrast with Type-II (negative symptoms like withdrawal).

Maharashtra State Board: Class 12
CISCE: Class 12

Positive Symptoms

1. Hallucinations

Hallucinations are false perceptions that occur without any real stimulus.
Common types include auditory (hearing voices), visual (seeing things), tactile (feeling touch), olfactory (smelling odours), and gustatory (tasting without food).
These experiences have no basis in reality and occur in about 70% of schizophrenia cases.

2. Delusions

Delusions are strong false beliefs that remain despite clear evidence against them.
Types include persecution (others plotting harm), grandeur (believing one has great power or status), and control/influence (belief that external forces control thoughts or actions).
These beliefs feel completely real to the person and may vary in intensity over time.

3. Disorganised Speech and Thinking

Disorganized speech and thinking involve jumping between unrelated topics with little logical connection.
Individuals may show loosening of associations, invent new words (neologisms), and have poor concentration.
This makes their speech and thoughts difficult for others to understand.

4. Disorganized or Bizarre Behavior

Disorganized or bizarre behaviour includes strange and purposeless actions such as repeating acts, running aimlessly, or behaving inappropriately in public.
Some individuals may show catatonia, where they remain frozen in unusual postures for long periods.
These behaviours interfere with daily activities and social functioning.

5. Incongruent Affect

Incongruent affect means emotions do not match the situation at hand.
A person might laugh during sad events or cry at happy occasions.
This mismatch adds to difficulties in social interactions.

Maharashtra State Board: Class 12
CISCE: Class 12

Key Points: Symptoms of Schizophrenia> Positive Symptoms

Positive symptoms are abnormal additions to behaviour such as hallucinations, delusions, disorganised thinking, bizarre behaviour, and incongruent affect.
Hallucinations are false perceptions without real stimuli, commonly hearing voices or seeing things that are not present.
Delusions are strong false beliefs, such as persecution, grandeur, or control over thoughts and actions.
Disorganised thinking and speech involve loose associations, poor concentration, and invented words (neologisms).
Bizarre behaviour and incongruent affect include unusual actions, catatonia, and emotions that do not match the situation.