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Chapter 4: Sleep (Why do we sleep (Homeostasis (renormalize synaptic…

- - - - slow learning, overlapping representations
        
        sleep prevents deterioration of unique features
        
        promotes better understanding of the shared structure
    - - fast learning, separated representations
- - - - just before sleep (alpha)
        
        Stage 1 (theta)
        
        Stage 2 (sleep spindle, K complex)
        
        sleep spindle: bursts of activity
        
        K complex: large waves
        
        Stage 3-4 (delta)
        
        REM (beta)