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Biopsychology studies (Scanning technique evaluations (EEG (Strengths: …

- - - - Miles et al:
        
        Blind man has rhythm 24.9 hours.
        
        Need sedatives & stimulants as can't adjust cycle, despite social cues.
    - - Damiola et al:
        
        Change feeding patterns in mice.
        
        Altered circadian rhythms of liver cells by up to 12 hours.
        
        SCN unaffected.
  - - - Decoursey et al:
        
        Destroyed SCN of 30 chipmunks.
        
        Returned to habitat & observed for 80 days.
        
        Slee/wake cycle disappeared, half killed by predators.
      - Ralph et al:
        
        'Mutant' hamsters with 20 hour sleep cycle.
        
        SCN tissue transplanted to normal hamsters.
        
        Cycle also 20 hours.
- - - - Tulving et al:
        
        LTM study.
        
        Semantic & episodic in different parts of prefrontal cortex.
- - - - E.g. Prolonged drug use resulting in poor cognitive functioning & increased risk of dementia, or phantom limb syndrome - due to cortical reorganisation in somatosensory cortex.
    - - Bezzola et al:
        
        40 hours golf training caused neural changes in participants aged 40-60.
        
        Neural plasticity does continue throughout life.
- - - - Boivon et al: Night workers experience reduced concentration at around 6am.
      - Knutsson: Shift workers x3 more likely to develop heart disease.