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Sensation And Perception (Audition: Frequency (Hz) and Amplitude (dB)…

- - - - Dark adaption: improvements in brightness sensitivity due to repeated exposure to dim lit conditions. Cone activity peaks and then rod activity.
    - - TriChromatic theory: HelmHoltz. 3 types of colour receptors in retina: blue, green and red
      - Opponent process theory: Herring: Each different cone type responded to 2 different waves. Red/green, blue/yellow, black/white
      - Trichromatic + opponent = dual process theory
      - Trichromatic: full colour. Dichromatic: RG or BY colour blind. Monochromatic: only see black and white= full colour blindness
      - Types of cones
        
        Short cones
        
        Tritanope occurs when none
        
        medium cones
        
        Deuteranope occurs when non
        
        Long cones
        
        Protanope occurs when none