Now Reading: White matter health may soften cognitive effects of gray matter loss
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White matter health may soften cognitive effects of gray matter loss
White matter health may soften cognitive effects of gray matter loss
A study of 459 older adults in India has found that the health of the brain's superficial white matter wiring may help soften the cognitive impact of gray matter loss. The research, published in Alzheimer's and Dementia, analysed brain scans and cognitive tests from the LASI-DAD dataset. It found that healthier superficial white matter was most consistently linked to stronger language skills, with the clearest links in frontotemporal areas involved in speech and word recognition.
Gray matter loss remained the strongest overall predictor of cognition, but the study showed the relationship depended partly on white matter integrity. When white matter was healthier, the connection between gray matter loss and worse cognitive performance was weaker. Lead author Leon Aksman said the findings point to superficial white matter as a possible source of resilience, and that long-term follow-up is needed to test if preserving these connections can maintain cognition.
Indian Opinion Analysis
Both sources carry near-identical text, likely from the same PTI wire copy. Rediff adds an AI-generated disclaimer and a summary box, while The Hindu runs the story with a file photo credit. The uniform coverage is straight reporting of the study's findings without any political or ideological slant. The key implication is that this is among the first studies to examine superficial white matter in a community-based population from a low- and middle-income country. What to watch: whether the proposed longitudinal study will receive funding and confirm the resilience hypothesis.
Coverage: 2 sources, 2 neutral
Sources (2): rediff.com (neutral report), thehindu.com (neutral report)
This story was synthesised by AI from the 2 sources linked above. Methodology and corrections.
Updated: this story now draws on 2 sources.
