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Holly Barker on Muck Rack

Holly Barker

United Kingdom
As seen in: The Scientist, The Transmitter, Yahoo Life, Nature, Ars Technica, Science Magazine, Yahoo, Discover Magazine, NewsBreak, Atlantico, BioSpace, Spectrum and
Science journalist based in London, UK. Writing for @Spectrum, @TheScientistLLC and @DiscoverMag. She/her.
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Articles

Neuropsychiatric MRI brain signatures fail reproducibility test

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By Holly Barker
| Spectrum Verified
Individual structural MRI studies fail to identify reproducible brain signatures for autism and other neuropsychiatric conditions, a new study finds. Brain scans of people with autism, depression and bipolar disorder rarely show consistent differences in cortical thickness or grey matter volume across independent studies, according to the analysis.
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Cortical territories compete in developmental space race

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By Holly Barker
| Spectrum Verified
Two competing sets of genetic instructions direct the brain’s cortical development in multiple species, a new study finds. The program that guides the formation of the association cortex—which comprises regions that facilitate higher-order cognition, including abstract thought—activates around the frontotemporal poles of the developing cortex and spreads inward, according to the study, which analyzed spatial gene-expression data from mice, macaques, humans and other species.
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Diverse autism genes derail common developmental pathways

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By Holly Barker
| Spectrum Verified
Many genes linked to autism disrupt the same developmental pathways during embryonic development and the first two weeks of life, according to a new study in mice. As the animals mature, those shared changes give way to more gene-specific phenotypes, suggesting that the underlying pathways shift over time.
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