1. Taylor J. Meek October 22, 2009 Physiology Features Patterns Evidence and Consequences of Feature Detection in The Visual Pattern Recognition of Reading by Taylor J. Meek is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License. These original publications may be accessed electronically from: http://www.lingnik.com/visual-pattern-recognitionTaylor J. MeekCreative Commons Attribution-Noncommercial-Share Alike 3.0 United States Licensehttp://www.lingnik.com/visual-pattern-recognition

2. Difference Detectors and Visual Aftereffects Finding the Feature Detectors Building Feature Detector Systems Physiology Features Patterns

3. Input A Input B Difference Detector Difference Detector + - A B No Activity Basal Activity + - No Activity Base Level + - No Activity Base Level Physiology Features Patterns

4. Red Green Difference Detector Difference Detector + - Red Green No Activity Neutral Color (Yellow) Red Tired No Activity Base Level Green Tired No Activity Base Level Physiology Features Patterns

5. Red Green Difference Detector Difference Detector + - Red Green No Activity Neutral Color (Yellow) Red Tired No Activity Base Level Green Tired No Activity Base Level Physiology Features Patterns

6. Movement Up Movement Down Difference Detector Difference Detector + - Up Down No Activity Basal Activity + - No Activity Base Level + - No Activity Base Level Physiology Features Patterns

7. Complementary Color Photoreceptors Something More Abstract “The McCollough Effect”

13. (Gibson & Harris 1968 in Lindsay & Norman 1977) 1

14. 2

19. So what? Eye Transfer Color Desensitization Motion Detector Desensitization Orientation-specific Line Detectors Physiology Features Patterns

20. Edge Slit/Line Dimness ++- --+ +-+ -+- +++ --- Physiology Features Patterns

21. Edge Convex Edge Moving Contrast (Edge) Dimness http://flickr.com/photos/thomashawk/90125879/ Toad by Thomas Hawk, under CC License Physiology Features Patterns

22. Ganglion & Bi-Polar Cells On-Center, Off-Surround Off-Center, On-Surround Light Onset, Extinction Peculiar Receptive Fields Color Specificity, Contrast Movement (Directional) (Lindsay & Norman 1977, p.215) Physiology Features Patterns Light Receptive Field Ganglion Cell

23. Slit and Line Edge ++- --+ +-+ -+- Physiology Features Patterns

24. Slit and Line Edge ++- +-+ -+- Physiology Features Patterns --+

25. Physiology Features Patterns Size/Endpoint Termination Movement (Axial Bidirectional) Angle

26. Physiology Features Patterns Size/Endpoint Termination

27. Physiology Features Patterns Size/Endpoint Termination

28. Physiology Features Patterns Movement (Bidirectional)

29. Physiology Features Patterns Angle

30. Physiology Features Patterns

31. Physiology Features Patterns http://flickr.com/photos/crowolf/205180735/ The Monkey Paw by John “Jay” Glenn, under CC License

32. Physiology Features Patterns (Lindsay & Norman 1977, p.250)

33. Ganglion & Bipolar Cells Simple Feature Detectors Complex Feature Detectors Hyper- Complex Feature Detectors Higher- Level Feature Detectors http://flickr.com/photos/residae/386508456/ Father of the Eye by Desirae, under CC license Physiology Features Patterns

35. Features and Grouping Geon Theory Physiology Features Patterns

37. Physiology Features Patterns http://en.wikipedia.org/wiki/Image:Optokinetic_nystagmus.gif Available under GNU Free Documentation License, http://commons.wikimedia.org/wiki/Commons:GNU_Free_Documentation_License

39. (Verheijen 1961 in Lindsay & Norman 1977)

41. Physiology Features Patterns (Dodwell 1970, p.188)

42. (Lindsay & Norman 1977, p.40-44) Physiology Features Patterns

43. (From R.M. Pritchard, Scientific American, 1961 in Lindsay & Norman 1977) Physiology Features Patterns

44. Physiology Features Patterns

45. Biederman (1995) Physiology Features Patterns

46. Physiology Features Patterns

47. Biederman (1995) Physiology Features Patterns

48. Biederman (1995) Physiology Features Patterns

49. Sensory Input Physiological Features Simple  Complex  Hypercomplex  Higher-Level Feature Classes + Feature Relations Object Segments Objects

50. Pandemonium Revisited Physiology Features Patterns

51. Evidence and Consequences of Feature Detection in The Visual Pattern Recognition of Reading by Taylor J. Meek is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License. These original publications may be accessed electronically from: http://www.lingnik.com/visual-pattern-recognitionTaylor J. MeekCreative Commons Attribution-Noncommercial-Share Alike 3.0 United States Licensehttp://www.lingnik.com/visual-pattern-recognition