Read More: The thousands of tons of banana pseudostems left rotting after each harvest are now being transformed into tissue paper and packaging materials, while a simple process using sodium hydroxide at 230\u00b0F is achieving pulp yields of up to 44 percent in April 2026 trials<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\nSo what does that look like inside the brain, especially as people get older? That question is at the heart of this study.<\/p>\n\n\n\n
Inside the study<\/h2>\n\n\n\n
In a peer-reviewed paper, Erik A. Wing of Baycrest Hospital<\/a>, Jordan A. Chad, Geneva Mariotti, Jennifer D. Ryan, and Asaf Gilboa compared 29 skilled bird identification experts with 29 age- and sex-matched novices. <\/p>\n\n\n\nThe experts were ages 24 to 75 and the beginners were ages 22 to 79, with 15 women in the expert group and 14 women in the beginner group. The findings were published March 25, 2026.<\/p>\n\n\n\n
The researchers tracked both brain structure and brain activity. To look at structure, they used diffusion-weighted MRI, a type of scan that tracks how water moves through brain tissue.<\/p>\n\n\n\n
They also used functional MRI, which measures changes linked to brain activity while people do a task. Participants had to match birds after a short delay, including both local species and nonlocal species that were less familiar.<\/p>\n\n\n\n![\"Brain](\"https:\/\/www.ecoticias.com\/en\/wp-content\/uploads\/2026\/04\/birdwatching-experts-brain-scan-mean-diffusivity-study.jpg\" "\\"\\"")
MRI scans highlight structural brain differences between expert birders and beginners, especially in attention networks.<\/figcaption><\/figure>\n\n\n\nA structural fingerprint of expertise<\/h2>\n\n\n\n
The clearest structural difference showed up in frontoparietal areas, which help control attention, and in regions farther back that help with detailed visual recognition. <\/p>\n\n\n\n
Compared with beginners, experts showed lower mean diffusivity, which generally means water movement in those areas was more constrained. These areas sit in the cortex, the brain\u2019s outer layer that supports many complex skills.<\/p>\n\n\n\n
\n\n\nRead More: Psychology suggests that those who uphold long-standing family traditions for decades aren\u2019t always \u201chappy to do so\u201d; often, they\u2019ve turned the planning, the cooking, and the emotional management into a silent way of earning a place they fear losing if they stop shouldering the burden<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\nA Society for Neuroscience news release<\/a> described the measure in plain language, and the paper itself is available as the study. After introducing the approach, the lead author said, “There\u2019s more constraint on where water goes in the brains of experts.”<\/p>\n\n\n\nImportantly, those structural signals were not just decorative brain facts. Lower mean diffusivity across the expert-linked regions predicted higher bird identification accuracy among the experts, tying brain structure to real performance.<\/p>\n\n\n\n
When the birds were unfamiliar, attention networks lit up<\/h2>\n\n\n\n
The team did not stop at structure. When experts had to judge the less familiar nonlocal birds, the same attention-related networks in the front and top parts of the brain were more strongly engaged than when they judged local birds.<\/p>\n\n\n\n
That pattern matters because it suggests the brain is not only different in its wiring, but also tuned during the moments that actually feel hard. The bigger the response to nonlocal birds compared with local birds, the better the expert tended to do on the task.<\/p>\n\n\n\n
If you have ever watched a birder go quiet, scan a tree, then suddenly say a confident name, you are seeing that tuning in action. The study suggests those snap decisions rely on brain systems that help hold details in mind and steer attention toward the right features.<\/p>\n\n\n\n
Aging and the idea of cognitive reserve<\/h2>\n\n\n\n
The participants ranged from 22 to 79 years old, so the researchers could look at how expertise and aging show up together. In the expert group, the age-related changes in mean diffusivity appeared to increase more gradually in some regions, which the authors described as a trend rather than a proven shield against aging.<\/p>\n\n\n\n
The same news release noted that these structural differences persisted in older experts, raising a bigger question about cognitive reserve, which is the idea that some experiences may help the brain cope better with age. The lead author offered a careful takeaway, saying, “Acquiring skills from birding could be beneficial for cognition as people age.”<\/p>\n\n\n\n
\n\n\nRead More: After a 15-year absence, nests of tricahue parrots have reappeared in R\u00edo Clarillo, and the discovery confirms that a return that seemed impossible is already underway<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\nThe researchers are exploring whether birding skills can transfer to other kinds of memory tasks, and they report that older birders remembered arbitrary faces paired with birds better than beginners. Because this kind of comparison is a snapshot, it cannot prove birding caused the brain differences. More long-term studies would be needed to sort out cause and effect.<\/p>\n\n\n\n
How this fits with earlier research on skill and the brain<\/h2>\n\n\n\n
Birding is not the first expertise that has been linked to brain differences. A well-known example is a 2000 taxi driver study<\/a>, which reported that intensive navigation experience was associated with differences in the hippocampus, a region tied to memory and mental maps.<\/p>\n\n\n\nTraining studies have also pointed in the same direction. A 2004 juggling<\/a> training paper reported measurable brain changes after people learned a new visual-motor skill.<\/p>\n\n\n\nLong-term practice has been linked to structural differences too. A 2003 musicians study<\/a> reported brain differences tied to years of musical training, suggesting that repeated attention and practice can shape the adult brain.<\/p>\n\n\n\nThe main study has been published in the Journal of Neuroscience<\/em><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"If you have ever tried to tell two almost identical sparrows apart, you already know birding is not just a … <\/p>\n
The experts were ages 24 to 75 and the beginners were ages 22 to 79, with 15 women in the expert group and 14 women in the beginner group. The findings were published March 25, 2026.<\/p>\n\n\n\n
The researchers tracked both brain structure and brain activity. To look at structure, they used diffusion-weighted MRI, a type of scan that tracks how water moves through brain tissue.<\/p>\n\n\n\n
They also used functional MRI, which measures changes linked to brain activity while people do a task. Participants had to match birds after a short delay, including both local species and nonlocal species that were less familiar.<\/p>\n\n\n\n The clearest structural difference showed up in frontoparietal areas, which help control attention, and in regions farther back that help with detailed visual recognition. <\/p>\n\n\n\n Compared with beginners, experts showed lower mean diffusivity, which generally means water movement in those areas was more constrained. These areas sit in the cortex, the brain\u2019s outer layer that supports many complex skills.<\/p>\n\n\n\n A Society for Neuroscience news release<\/a> described the measure in plain language, and the paper itself is available as the study. After introducing the approach, the lead author said, “There\u2019s more constraint on where water goes in the brains of experts.”<\/p>\n\n\n\n Importantly, those structural signals were not just decorative brain facts. Lower mean diffusivity across the expert-linked regions predicted higher bird identification accuracy among the experts, tying brain structure to real performance.<\/p>\n\n\n\n The team did not stop at structure. When experts had to judge the less familiar nonlocal birds, the same attention-related networks in the front and top parts of the brain were more strongly engaged than when they judged local birds.<\/p>\n\n\n\n That pattern matters because it suggests the brain is not only different in its wiring, but also tuned during the moments that actually feel hard. The bigger the response to nonlocal birds compared with local birds, the better the expert tended to do on the task.<\/p>\n\n\n\n If you have ever watched a birder go quiet, scan a tree, then suddenly say a confident name, you are seeing that tuning in action. The study suggests those snap decisions rely on brain systems that help hold details in mind and steer attention toward the right features.<\/p>\n\n\n\n The participants ranged from 22 to 79 years old, so the researchers could look at how expertise and aging show up together. In the expert group, the age-related changes in mean diffusivity appeared to increase more gradually in some regions, which the authors described as a trend rather than a proven shield against aging.<\/p>\n\n\n\n The same news release noted that these structural differences persisted in older experts, raising a bigger question about cognitive reserve, which is the idea that some experiences may help the brain cope better with age. The lead author offered a careful takeaway, saying, “Acquiring skills from birding could be beneficial for cognition as people age.”<\/p>\n\n\n\n The researchers are exploring whether birding skills can transfer to other kinds of memory tasks, and they report that older birders remembered arbitrary faces paired with birds better than beginners. Because this kind of comparison is a snapshot, it cannot prove birding caused the brain differences. More long-term studies would be needed to sort out cause and effect.<\/p>\n\n\n\n Birding is not the first expertise that has been linked to brain differences. A well-known example is a 2000 taxi driver study<\/a>, which reported that intensive navigation experience was associated with differences in the hippocampus, a region tied to memory and mental maps.<\/p>\n\n\n\n Training studies have also pointed in the same direction. A 2004 juggling<\/a> training paper reported measurable brain changes after people learned a new visual-motor skill.<\/p>\n\n\n\n Long-term practice has been linked to structural differences too. A 2003 musicians study<\/a> reported brain differences tied to years of musical training, suggesting that repeated attention and practice can shape the adult brain.<\/p>\n\n\n\n The main study has been published in the Journal of Neuroscience<\/em><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":" If you have ever tried to tell two almost identical sparrows apart, you already know birding is not just a … <\/p>\n
MRI scans highlight structural brain differences between expert birders and beginners, especially in attention networks.<\/figcaption><\/figure>\n\n\n\nA structural fingerprint of expertise<\/h2>\n\n\n\n
Read More: Psychology suggests that those who uphold long-standing family traditions for decades aren\u2019t always \u201chappy to do so\u201d; often, they\u2019ve turned the planning, the cooking, and the emotional management into a silent way of earning a place they fear losing if they stop shouldering the burden<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
When the birds were unfamiliar, attention networks lit up<\/h2>\n\n\n\n
Aging and the idea of cognitive reserve<\/h2>\n\n\n\n
Read More: After a 15-year absence, nests of tricahue parrots have reappeared in R\u00edo Clarillo, and the discovery confirms that a return that seemed impossible is already underway<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
How this fits with earlier research on skill and the brain<\/h2>\n\n\n\n