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Biological Psychology – Key Terms: Schizophrenia
What is Alogia?
Answer:
Alogia refers to impoverished speech, where an individual with schizophrenia speaks very little or gives brief, empty responses. It is considered a negative symptom of schizophrenia because it reflects a reduction in normal functioning.


What is Anhedonia?
Answer:
Anhedonia is the inability to experience pleasure from activities that would normally be enjoyable, such as hobbies, social interactions, or relationships. It is a negative symptom of schizophrenia.


What is Avolition?
Answer:
Avolition is a lack of motivation or desire to initiate and complete everyday activities. Individuals may struggle to carry out routine tasks such as personal hygiene, work, or studying. It is also a negative symptom of schizophrenia.


What is Echolalia?
Answer:
Echolalia is the involuntary repetition of words or phrases spoken by another person. This repetition occurs automatically and is commonly observed in some individuals with schizophrenia.


What is Schizophrenia?
Answer:
Schizophrenia is a severe mental disorder characterised by disturbances in thinking, perception, emotions, and behaviour.
Common features include:
  • Hallucinations
  • Delusions
  • Impaired speech
  • Irrational thinking
  • Unusual motor behaviour
  • Impairment in many aspects of daily life, including social, occupational, and personal functioning.


What are the key terms related to schizophrenia?
Answer (Note Form):
  • Alogia
    • Impoverished speech.
    • Reduced verbal communication.
    • Negative symptom.
  • Anhedonia
    • Inability to experience pleasure.
    • Loss of enjoyment in normally pleasurable activities.
    • Negative symptom.
  • Avolition
    • Lack of motivation or desire.
    • Difficulty initiating or completing daily tasks.
    • Negative symptom.
  • Echolalia
    • Involuntary repetition of another person’s words or phrases.
  • Schizophrenia
    • Severe mental disorder.
    • Characterised by:
      • Hallucinations
      • Delusions
      • Impaired speech
      • Irrational thinking
      • Unusual motor behaviour
      • Impaired daily functioning.


Conclusion
Understanding these key terms is essential when studying schizophrenia. Alogia, Anhedonia, and Avolition are negative symptoms that involve a reduction in normal functioning, while Echolalia refers to the involuntary repetition of speech. Schizophrenia itself is a severe mental disorder characterised by hallucinations, delusions, impaired speech, irrational thinking, unusual motor activity, and significant disruption to everyday functioning. Familiarity with these terms provides a strong foundation for understanding the symptoms, diagnosis, and treatment of schizophrenia.

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