Cognitive Psychology: Chris Benton
- Created by: lissnorth
- Created on: 30-12-16 17:38
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- Cognitive psychology: Chris Benton
- Colour vision
- Why has colour vision evolved in some mammals?
- To detect food from background
- Theories of colour vision
- Trichromatic theory (Young-Helmholtz)
- Depends on 3 receptor mechanisms
- Fails to account for colour aftereffects
- Or colour blindness
- Or many other subjective observations
- Or colour blindness
- Fails to account for colour aftereffects
- Depends on 3 receptor mechanisms
- Colour-opponent theory (Hering)
- Two types of colour-sensitive unit and one monochrome unit
- Why bother with opponency?
- Two types of colour-sensitive unit and one monochrome unit
- Both are correct
- Different stages of retinal processing
- Trichromatic theory (Young-Helmholtz)
- Cortical areas specialised for colour
- V4/V8
- Blobs in V1
- What does colour constancy tell us?
- Must be some scene analysis (context)
- Why has colour vision evolved in some mammals?
- Lightness and brightness
- Theories of brightness
- Low-level
- Things like edge detection
- Mid-level
- Grouping rules
- High-level
- Scene interpretation
- Low-level
- Theories of brightness
- Object perception
- Perceptual organisation
- Viewpoint-independent theories
- Biederman
- Marr
- Viewpoint-dependent theories
- Morphing
- Which is right?
- Train at viewpoints
- Two roads to object recognition
- Face perception
- Are faces special?
- Fusiform gyrus
- What information do we use?
- Holistic versus featural
- Face space
- Prototype vs. norm coding
- Adaptation
- Are faces special?
- Colour vision
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