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Neuroscience News Newsletter
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These are the latest neuroscience research articles featured on NeuroscienceNews.com.
2024-12-18 21:23:45 +00:00
 A
large-scale study revealed that genetic variants linked to dyslexia are associated with differences in brain areas controlling motor coordination, vision, and language. Using data from over a million individuals, researchers calculated genetic "polygenic scores"
for dyslexia and analyzed their relationship to brain structures. Higher genetic risk for dyslexia was tied to lower volumes in brain regions related to speech processing and movement, and increased volumes in the visual cortex.
2024-12-19 17:40:44 +00:00
 Scientists
have developed human stem cell models containing the notochord, a critical tissue that guides spine and nervous system formation during embryonic development. Using precise chemical signals inspired by natural processes in chicken, mouse, and monkey embryos,
the researchers successfully coaxed human stem cells to form a notochord and a miniature trunk-like structure. This innovation mirrors key features of human development and could advance the study of spine-related birth defects and conditions like intervertebral
disc degeneration.
2024-12-19 17:59:50 +00:00
 Researchers
identified variants in the DDX53 gene, located on the X chromosome, as contributors to autism spectrum disorder (ASD). These genetic variants, found predominantly in males, provide critical insights into the biological mechanisms behind autism’s male predominance.
The study also uncovered another potential gene, PTCHD1-AS, near DDX53, linked to autism, emphasizing the complexity of ASD’s genetic architecture.
2024-12-19 18:50:15 +00:00
study highlights significant improvements in the physical and mental functioning of older adults in England compared to previous generations. Using data from the English Longitudinal Study of Aging, researchers found that advancements in education, nutrition,
sanitation, and medical care have likely contributed to better health outcomes. For instance, a 68-year-old born in 1950 exhibited similar capacities to a 62-year-old born a decade earlier.
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