मराठी
Karnataka Board PUCPUC Science 2nd PUC Class 12

Major Psychological Disorder> Schizophrenia

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Topics

Estimated time: 17 minutes
  • Origin
  • Definition: Schizophrenia
  • Key Theorists
  • Positive Symptoms
  • Negative Symptoms
  • Psychomotor Symptoms
  • Overall Impact
  • Key Points: Major Psychological Disorder> Schizophrenia
Maharashtra State Board: Class 12
CISCE: Class 12

Origin

  • Paul Eugen Bleuler coined the term "schizophrenia" in 1911 from the Greek words "schizein" (split) and "phren" (mind).
  • The term refers to fragmented thinking, not split personality, affecting thought, emotion, and behaviour.
  • It affects about 1% of people, is more common in males, and typically starts in adolescence or young adulthood.
CBSE: Class 12
CISCE: Class 12

Definition: Schizophrenia

  • Schizophrenia is the descriptive term for a group of psychotic disorders in which personal, social, and occupational functioning deteriorate as a result of disturbed thought processes, strange perceptions, unusual emotional states, and motor abnormalities.
  • Schizophreniais a breakdown of integrated personality function, withdrawal from reality, emotional blocking, distortion, and disturbances of thought and behaviour.
  • It is a complex disorder or a cluster of disorders characterized by fragmentation of basic psychological disorders like attention, perception, thought, emotion, behaviour, social relationships, and motivation.
CISCE: Class 12

Key Theorists

  • Adolf Meyer viewed schizophrenia as a reaction to various life stresses.
  • Harry Sullivan saw social isolation as both cause and symptom of the disorder.
  • Langfeldt distinguished true schizophrenia from schizophreniform psychoses.
  • Kurt Schneider identified first-rank symptoms, such as hearing voices commenting on the patient.
CBSE: Class 12

Positive Symptoms

  • Delusions are false beliefs like persecution (being plotted against), reference (events have personal meaning), grandeur (special powers), or control (thoughts manipulated).
  • Disorganised thinking causes loose associations, neologisms (invented words), and perseveration (repetitive thoughts).
  • Hallucinations occur without stimuli; auditory voices are most common, followed by tactile, somatic, visual, gustatory, and olfactory types.
  • Inappropriate affect shows emotions mismatched to situations.
CBSE: Class 12

Negative Symptoms

  • Alogia refers to poverty of speech with reduced content and quantity.
  • Blunted or flat affect shows diminished or absent emotional expression.
  • Avolition creates apathy and the inability to initiate or complete actions.
  • Social withdrawal leads to isolation and focus on personal fantasies.
CBSE: Class 12

Psychomotor Symptoms

  • Patients show reduced spontaneous movement and make odd grimaces or gestures.
  • Catatonic stupor involves remaining motionless and silent for long periods.
  • Catatonic rigidity maintains rigid postures for hours.
  • Catatonic posturing holds awkward, bizarre positions over time.
CBSE: Class 12

Overall Impact

  • Schizophrenia deteriorates personal, social, and occupational functioning.
  • It creates high psychological and social costs for patients, families, and society.
  • The disorder fragments basic functions like attention, perception, and motivation.
CBSE: Class 12
Maharashtra State Board: Class 12
CISCE: Class 12

Key Points: Major Psychological Disorder> Schizophrenia

  • The term schizophrenia was coined by Paul Eugen Bleuler in 1911 from the Greek words schizein (split) and phren (mind), referring to fragmented thinking.
  • It is a psychotic disorder that usually begins in adolescence or young adulthood and disturbs thoughts, emotions, perception, and behaviour.
  • It is a complex cluster of disorders involving withdrawal from reality and problems in attention, perception, motivation, and social relationships.
  • Important theorists include Meyer (life stresses), Sullivan (social isolation), Langfeldt (types of schizophrenia), and Schneider (first-rank symptoms).
  • Symptoms include positive symptoms (delusions, hallucinations, disorganised thinking), negative symptoms (alogia, flat affect, avolition, social withdrawal), and psychomotor symptoms (catatonia).

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