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6 Vigilance (What is it (Subjective state dimensions # (Mental fatigue…

- - - - after 30 min
    - - multisource monotoring
      - complex signals
      - time of signal in task
  - - - Physical parameter of signal is altered
        
        enhances perceptual sensitivity
    - - fequency of signal
        
        related to probablility
        
        affects criterion placement
        
        high probability=lower criterion
      - instructions
        
        costs and payoffs
  - - - 4 supervisory system processes
        
        monitoring activation level of task schema
        
        energizing task schema
        
        insufficient=resource depletion
        
        inhibiting conflicting schemata
        
        insufficient=mind wandering
        
        monitoring performance
        
        limited resouce
        
        mental fatigue
        
        self regulation
        
        energizing and inhibiting
        
        difficulties in maintaining task relevant information
        
        diminished goal maintenance
  - - - more misses
        
        increased criterion
  - - - insufficient energy to sustain task
      - Depleated resources
      - resource depletion
    - - resources allocated in mind wandering
    - - effort vs benefits of maintaining vigilance
    - - strategic reduction of effort
      - imbalance cost and benefits
      - enhanced by feedback
- - - - increases in frequcency of signals should increase decline of efficiency but actually it reduces decrement
- - - - IPS
      - TPJ
    - - putamen
  - - - right hemisphere
    - - bilateral
  - - - top down control on thalamus and brainstem
        
        noradrenergic system
  - - - Midlateral PFC
        
        continuous monitoring for relevant external events
        
        Filtering
        
        biasing of sensorimotor processing
      - Inferior frontal junction
        
        Left
        
        learning S-R relations
- - - - Detectability
      - Difference betseen noise and signal+noise
    - - criterion
        
        high
        
        conservative
        
        Low
        
        Liberal