Do people and monkeys see colors the same way?
May 2023, phys.org
Humans can perceive a greater range of blue tones than monkeys.Recent evolutionary adaptations.A certain short-wave or blue sensitive cone circuit found in humans is absent in marmosets. It is also different from the circuit seen in the macaque monkey.
via University of Washington School of Medicine, Medical University of Vienna, University of Sydney, and the Save Sight Institute: Yeon Jin Kim et al, Comparative connectomics reveals noncanonical wiring for color vision in human foveal retina, Proceedings of the National Academy of Sciences (2023). DOI: 10.1073/pnas.2300545120
Image credit: AI Art - Simple Conventional Color Wheel - 2023
Researchers find languages can acquire new color concepts after exposure to other languages
Nov 2023, phys.org
Among members of the Tsimane' society, who live in a remote part of the Bolivian Amazon rainforest, the researchers found that those who had learned Spanish as a second language began to classify colors into more words, making color distinctions that are not commonly used by Tsimane' who are monolingual.In the most striking finding, Tsimane' who were bilingual began using two different words to describe blue and green, which monolingual Tsimane' speakers do not typically do. And, instead of borrowing Spanish words for blue and green, they repurposed words from their own language to describe those colors."It's a great example of one of the main benefits of learning a second language, which is that you open a different worldview and different concepts that then you can import to your native language."
via MIT, Speech and Hearing Bioscience and Technology Program at Harvard, University of Texas at Austin, and the National Eye Institute: Saima Malik-Moraleda et al, Concepts Are Restructured During Language Contact: The Birth of Blue and Other Color Concepts in Tsimane'-Spanish Bilinguals, Psychological Science (2023). DOI: 10.1177/09567976231199742
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