Chapter 17. A theory of visual stress and its application to the use of coloured filters for reading

Arnold Wilkins

Chapter

Chapter 17. A theory of visual stress and its application to the use of coloured filters for reading

Arnold Wilkins

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This chapter is in the book Progress in Colour Studies

Abstract

Coloured filters have been used, controversially, to reduce the perceptual distortions and discomfort sometimes associated with difficulty reading. It has been claimed that the filters can improve reading fluency. A neurological theory of visual stress is offered that attempts to examine perceptual distortions of text and the discomfort it evokes in relation to the way in the visual system evolved to process natural images. There are many possible interactions between colour and spatial processing, some involving the temporal modulation of electric lighting, and others the close relationship between colour contrast and the cortical haemodynamic response. It is argued that coloured filters can sometimes reduce the effects of strong visual stimulation when the visual cortex is hyperexcitable.

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Abstract

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Chapters in this book

Prelim pages i
Table of contents v
Preface x
Contributors xii
Abbreviations xviii
Emeritus Professor Christian J. Kay 1940–2016 xx
Section 1. Colour perception and cognition
Chapter 1. The colours and the spectrum 5
Chapter 2. Ensemble perception of colour 23
Chapter 3. The role of saturation in colour naming and colour appearance 41
Chapter 4. Spanish basic colour categories are 11 or 12 depending on the dialect 59
Chapter 5. Diatopic variation in the referential meaning of the “Italian blues” 83
Chapter 6. A Color Inference Framework 107
Chapter 7. Kandinsky’s colour-form correspondence theory 123
Chapter 8. Cross-modal associations involving colour and touch 147
Section 2. The language of colour
Chapter 9. Is it all guesswork? 167
Chapter 10. ColCat 179
Chapter 11. Unifying research on colour and emotion 209
Chapter 12. Divergence and shared conceptual organization 223
Chapter 13. Colour and ideology 241
Chapter 14. B lack and white linguistic category entrenchment in English 269
Chapter 15. Colour terms in the blue area among Estonian-Russian and Russian-Estonian bilinguals 285
Chapter 16. The journey of the “apple from China” 301
Section 3. The diversity of colour
Chapter 17. A theory of visual stress and its application to the use of coloured filters for reading 319
Chapter 18. Does deuteranomaly place children at a disadvantage in educational settings? 341
Chapter 19. Common basis for colour and light studies 357
Chapter 20. Identifying colour use and knowledge in textile design practice 371
Chapter 21. An empirical study on fabric image retrieval with multispectral images using colour and pattern features 391
Chapter 22. The effects of correlated colour temperature on wayfinding performance and emotional reactions 405
Chapter 23. Colour in the Pompeiian cityscape 419
Chapter 24. Mapping the Antarctic 441
Subject index 463

https://doi.org/10.1075/z.217.17wil

Chapters in this book

Prelim pages i
Table of contents v
Preface x
Contributors xii
Abbreviations xviii
Emeritus Professor Christian J. Kay 1940–2016 xx
Section 1. Colour perception and cognition
Chapter 1. The colours and the spectrum 5
Chapter 2. Ensemble perception of colour 23
Chapter 3. The role of saturation in colour naming and colour appearance 41
Chapter 4. Spanish basic colour categories are 11 or 12 depending on the dialect 59
Chapter 5. Diatopic variation in the referential meaning of the “Italian blues” 83
Chapter 6. A Color Inference Framework 107
Chapter 7. Kandinsky’s colour-form correspondence theory 123
Chapter 8. Cross-modal associations involving colour and touch 147
Section 2. The language of colour
Chapter 9. Is it all guesswork? 167
Chapter 10. ColCat 179
Chapter 11. Unifying research on colour and emotion 209
Chapter 12. Divergence and shared conceptual organization 223
Chapter 13. Colour and ideology 241
Chapter 14. B lack and white linguistic category entrenchment in English 269
Chapter 15. Colour terms in the blue area among Estonian-Russian and Russian-Estonian bilinguals 285
Chapter 16. The journey of the “apple from China” 301
Section 3. The diversity of colour
Chapter 17. A theory of visual stress and its application to the use of coloured filters for reading 319
Chapter 18. Does deuteranomaly place children at a disadvantage in educational settings? 341
Chapter 19. Common basis for colour and light studies 357
Chapter 20. Identifying colour use and knowledge in textile design practice 371
Chapter 21. An empirical study on fabric image retrieval with multispectral images using colour and pattern features 391
Chapter 22. The effects of correlated colour temperature on wayfinding performance and emotional reactions 405
Chapter 23. Colour in the Pompeiian cityscape 419
Chapter 24. Mapping the Antarctic 441
Subject index 463

Chapter 17. A theory of visual stress and its application to the use of coloured filters for reading

Abstract

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Chapters in this book

Chapters in this book

Chapters in this book