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Psychosis - Coggle Diagram

- - - - With schizophrenia
        
        negative symptoms
        
        affective symptoms
        
        positive symptoms
      - Not for screening or diagnosis
- - - - executive function
      - attention
      - focus
      - depression
    - - from substantia nigra (brainstem) to striatum (muscles)
      - Parkinson's
    - - projects to nucleus accumbens (limbic system)
      - pleasure
      - reward
      - positive symptoms of psychophrenia
      - addiction
      - gambling
      - neurotransmitters
        
        Elevated
        
        Dopamine
    - - regulation of prolactin (acts on pituitary)
      - hypersexuality in mania
  - - - Produced in
        
        substania nigra
        
        Ventral tegmental Area
      - Receptors
        
        D2 (most common)
        
        D4
      - Elevated in psychosis
    - - 5HT
      - Produced in?
        
        Raphe Nuclei
      - Effects
        
        emtion
        
        impulses
        
        dreams
      - 5HT2A receptors = atypical antipsychotics
- - - - Age: 18+
      - Assesses
        
        changes in symptom intensity in psychosis & schizophrenia
        
        Gold standard in studies of treatment efficacy
- - - - Block dopamine in
        
        tuberinfundibular
        
        nigrostriatal
        
        mesolimibic
        
        mesocortical
    - - first generation
        
        dopamine (D2) receptors
      - Second generation
        
        Dopamine
        
        5HT2A receptors