A person with atypical spectral sensitivity is aware of both their reaction to their visual and non-visual photoreceptors, and highly sensitive to their brain’s interpretation of what they see and feel. They detect the slight rise in red light in autumn, the lowering of blue light in the winter, the change between predominance of red and blue light in the spring, and the lack of red light in the summer. They feel the harmony of colour combinations all around them as soothing, or the discord of colour combinations as jarring, to their systems. They detect the slightest change in luminance, changing all the colours they see and the way they interact with each other, constantly, throughout the day and seasons. They have an extreme experience of contrast. experiencing a dance between colours becoming subtly darker and lighter, altering the way they see and feel line, shape and pattern.
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