1. 4. Visual Sensory Systems

2. THE STIMULUS: LIGHT

3. Brightness
Hue

6. THE RECEPTOR SYSTEM: THE EYEBALL AND THE OPTIC NERVE

9. The Visual Receptor System
Location
Acuity
Sensitivity
Color sensitivity
Adaptation
Differential wavelength sensitivity

10. SENSORY PROCESSING LIMITATIONS

11. Contrast Sensitivity

12. Contrast Sensitivity
A person with normal visual acuity but poor contrast sensitivity might see the trees in the foreground clearly (high contrast), but have trouble seeing the contours of the mountains against the sky in the background (low contrast).
The Pelli Robson contrast sensitivity chart tests your ability to detect letters that are gradually less contrasted with the white background as your eyes move down the chart.

13. Color Sensation
Night Vision

14. BOTTOM-UP VS TOP-DOWN PROCESSING

16. Depth perception

17. Depth cues Bottom-up processing Accommodation Convergence
Binocular disparity (stereopsis)

18. Relative motion (motion parallax)
Top-down processing
Linear perspective
Relative size
Interposition
Light and shading
Textural gradients
Relative motion (motion parallax)

20. VISUAL SEARCH AND DETECTION
Where’s Wally?

21. Where’s Wally?

22. Eye Movement

23. Visual Search
The Serial Search Model
Conspicuity

24. Visual Search
Expectancies
Conclusions

25. Detection
Signal Detection Theory

26. Detection Sensitivity and Response Bias higher sensitivity
conservative

27. Detection
Intervention

28. Absolute JUDGMENT

29. The other senses

30. Touch: Tactile and Haptic Senses
Proprioceptive and Kinesthesis
The Vestibular Senses