Author: Sarah Shamim
Published on: 26/04/2025 | 00:00:00
AI Summary:
Scientists from the University of California, Berkeley and University of Washington School of Medicine published an article in the journal Science Advances. They said they were able to “experience” the colour, which they named “olo”, by firing laser pulses into their eyes using a device named after the Wizard of Oz. The five people who have seen it describe it as similar to teal. In normal vision, the function of M cones overlaps with the neighbouring S and L cones, so any light that stimulates the M cone also activates the other two cones. Oz uses tiny microdoses of laser light to target individual photoreceptors in the eye. The work using Oz began in 2018 by James Carl Fong, a doctoral student at UC Berkeley. Five people have seen the “new” colour – four men and one woman. All had normal colour vision. Three of the subjects, including Roorda and Ng, are the co-authors of the research paper. Deuteranomaly, which causes decreased sensitivity to green light, is the most common form of colour blindness. In this case, a miniaturised version of this technology could theoretically be used to correct this by directly stimulating the cones when the correct colour of light hits them. To test this, neuroscience and AI researcher Patrick Mineault developed a website for entertainment purposes in September 2024. A photo of a dress went viral in 2015, dividing social media users over whether the dress was white and gold, or blue and black. Windram explained that people who were deciding what colours was taken were drawing on preconceived notions of whether the photograph was taken in warm lighting or cool lighting. Yes, different species can experience colours differently.
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