7.5 Compensation of Hemianopic Patients with Hemineglect

Chapters in this book

1. Frontmatter i
2. Contents iii
3. Preface. The Dark Side of the Moon vii
4. CHAPTER 1 Recalls of Neuro-Anatomy of the Visual Pathways
5. Introduction 1
6. 1.1 Posterior Cerebral Artery 3
7. 1.2 The Visuotopic Mapping of the Visual Cortex 4
8. CHAPTER 2 Damage to the Visual Pathways: Perimetric Patterns
9. Introduction 9
10. 2.1 Macular Splitting, Macular Sparing, and Foveal Sparing 12
11. 2.2 The Monocular Temporal Crescent 15
12. 2.3 Concluding Remarks 17
13. 2.4 Visual Hallucinations in Hemianopia 19
14. CHAPTER 3 Perceptual and Oculomotor Requirements for Reading
15. 3.1 Fixations and the Visual Span 23
16. 3.2 Saccades 25
17. 3.3 Neuro-Anatomy of the Oculomotor Control 27
18. CHAPTER 4 Hemianopic Alexia
19. Introduction 33
20. 4.1 Impaired Visual Processing of the Word Due to the Hemifield Loss (Reduced Visual Span) 34
21. 4.2 Impaired Visual Processing of the Word Due to the Defective Saccadic/Fixation Pattern 35
22. 4.3 Visual Field Defect or Cortical Damage: Which is Responsible for the Abnormal Oculomotor Pattern in Hemianopic Dyslexia? 39
23. 4.4 The Role of Contrast Sensitivity and Visual Attention 40
24. 4.5 Quadrantanopia, Paracentral Defects, and Relative Hemianopia 42
25. CHAPTER 5 Visual Hemineglect and Neglect Alexia
26. Introduction 45
27. 5.1 Egocentric and Allocentric Coordinates 49
28. 5.2 Differentiating Hemineglect from Hemianopia 50
29. 5.3 Ocular Movements in Neglect 54
30. 5.4 Altitudinal Neglect 57
31. 5.5 Size Distortion in Neglect 57
32. 5.6 Neglect Alexia 57
33. 5.7 Rehabilitation of Visual Hemineglect and Neglect Alexia 61
34. CHAPTER 6 Visual Exploration in Hemianopia
35. Introduction 73
36. 6.1 Scanning Behavior of Hemianopic Patients in Controlled Experimental Conditions 74
37. 6.2 Displacement of the Egocenter in Hemianopes 78
38. 6.3 Size Distortion in Hemianopia 81
39. CHAPTER 7 Spontaneous Recovery and Compensation of Hemianopia
40. 7.1 Spontaneous Recovery of the Visual Function Due to Visual Field Restoration 83
41. 7.2 Spontaneous Recovery of the Visual Function Due to Oculomotor Adaptation 85
42. 7.3 Spontaneous Recovery of Reading Due to Oculomotor Adaptation 87
43. 7.4 The Effect of the Central Damage on the Development of Spontaneous Oculomotor Adaptation to Visual Search and Reading 89
44. 7.5 Compensation of Hemianopic Patients with Hemineglect 89
45. CHAPTER 8 Rehabilitation of Hemianopia: Visual Restitution
46. 8.1 Rationale of Visual Restitution: Cortical Plasticity 91
47. 8.2 Vision Restitution in Humans: Training at the Transition Zone 97
48. 8.3 Vision Restitution in Humans: Training of the Blind Hemifield 118
49. 8.4 Training Blindsight with Audiovisual Stimulation 150
50. CHAPTER 9 Rehabilitation of Hemianopia: Visual Compensation .
51. 9.1 The Visual Search Training of Kerkhoff and Colleagues (Kerkhoff et al., 1994, 1992b) 157
52. 9.2 The Saccadic Search Training of Zihl (Zihl, 1995b) 159
53. 9.3 The Saccadic Search Training of Nelles and Colleagues (Nelles et al., 2001) 159
54. 9.4 The Portable Search Training System of Pambakian et al. (2004) 160
55. 9.5 The Digits Search Training of Roth et al. (2009) 161
56. 9.6 The Effect of Visual Search Training on Saccade and Fixations 167
57. 9.7 The Effect of Visual Rehabilitation (Saccadic Training) on the Cortex 168
58. Chapter 10 Rehabilitation of Hemianopic Alexia
59. 10.1 Optokinetic Reading Training (ORT) 169
60. 10.2 Saccadic Reading Training (SRT) 171
61. 10.3 Factors Influencing the Outcome 177
62. Chapter 11 Rehabilitation of Hemianopia: Visual Substitution
63. 11.1 Mirrors 179
64. 11.2 Prisms. Premise: The Apical Scotoma 181
65. 11.3 Binocular Full-Field Prisms 182
66. 11.4 Binocular Sector Prisms 182
67. 11.5 Monocular Sector Prisms 185
68. 11.6 The Multiplexing Prisms of Peli and Jung (2017) 197
69. Conclusion 199
70. Appendix. Pure Alexia 205
71. References 217