List of Figures

1. Examples of Glass pattern stimuli
2. Modeling the response of a V1 cell to Glass patterns
3. A comparison of orientation tuning for gratings and Glass patterns for two example cells
4. Preferred Glass pattern configuration across the population
5. Responses to Glass patterns were weaker than those to gratings
6. A comparison of the responses to same- and opposite-polarity Glass patterns
7. Responses to stimuli of different size
8. Intuition of Glass pattern tuning from the Fourier domain
9. Response surfaces of model response ($r$ vs. $\theta$)
10. A comparison of orientation tuning for gratings and Glass patterns for two example neurons in V2
11. The distribution of optimal values of $r/\lambda$ in V1 and V2
12. The relationship between $r$ and $\lambda$ in V1 and V2
13. Preferred Glass pattern configuration across the population in V1 and V2
14. Responses to Glass patterns and gratings in V1 and V2
15. Optimal size for gratings in V2
16. Distribution of surround suppression for 90 neurons in V2
17. Glass pattern stimuli used to test for global form sensitivity in V2 neurons
18. Normalized responses of V2 neurons to Glass pattern stimuli
19. The time course of V2 responses to Glass pattern stimuli
20. Example tuning curves showing two types of suppression
21. Dynamic stimuli for testing suppression timing
22. Examples of cross-orientation and surround suppression
23. Population analysis of surround suppression timing
24. Population analysis of cross-orientation suppression timing
25. A timing comparison between cross-orientation and surround data
26. Latency differences between cross-orientation and surround suppression
27. Average PSTH analysis
28. Suppression latency vs. strength
29. Suppression strength comparison
30. Modified control stimulus for surround suppression
31. Surround timing with gray control stimulus
32. Difference in latency with gray control stimulus
33. Suppression latency vs. strength with the gray control
34. MT stimulus and response
35. Scatter plots of pattern and component correlation
36. Method for determining response latency
37. Latency of response in MT cells
38. Latency of response to plaids and gratings
39. Correlation between latency and firing rate
40. Example responses of a component cell
41. Example responses of a pattern cell
42. Example dynamics of a pattern cell's response
43. Scatter plot of z-scores over time in sliding or cumulative windows
44. Z-transformed correlation over time
45. Difference in z-correlation over time
46. A vector plot of z-correlation over time