University of Texas at Arlington researchers have linked pupil dilation during concentration to improved working memory performance, providing new insights into cognitive function variations.Working memory is a cognitive skill that functions as part of the brain’s executive capabilities, enabling people to manage and manipulate information while staying focused on their tasks.
In the short term, working memory allows the brain to complete an immediate task, like loading the dishwasher. Long term, it helps the brain decide what to store for future use, such as whether more dishwasher soap will be needed.researchers know that working memory varies greatly among individuals, but they aren’t sure exactly why. To better understand, Matthew Robison, assistant professor of psychology, and doctoral student Lauren D.
“We found that people who more intensely and consistently paid attention, as measured by their pupils being dilated more, performed better on the memory tasks,” said Robison. “Importantly, we found high performers also showed more pupil sensitivity compared to low-performing participants. This is exciting research because it adds another valuable piece of the puzzle to our understanding of why working memory varies between individuals.
Reference: “Pupillary correlates of individual differences in n-back task performance” by Matthew K. Robison, and Lauren D. Garner, 7 February 2024,SciTechDaily: Home of the best science and technology news since 1998. Keep up with the latest scitech news via email or social media.Scientists have constructed a groundbreaking tree of life using 1.8 billion letters of genetic code.
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