Helen Pearson is a science writer based in New York City.
Helen Pearson
Freelance writer
Simons Foundation
From this contributor
Father’s advanced age feeds autism risk
Are older fathers more likely to have children with autism? A series of epidemiological studies is giving credence to the idea, suggesting that, with age, sperm may accumulate damage that increases risk in the next generation.
Sense of ‘self’ impaired in autism
People with autism struggle to see their own role in social situations. That's the conclusion from the first study to scan individualsʼ brains while they interact with another person - a technique that could lead to a diagnostic tool.
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Long-term implants provide an opportunity to study how speech arises in everyday life.
How BCIs reveal the speaking brain
Long-term implants provide an opportunity to study how speech arises in everyday life.
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Purkinje cells evolved to have increasingly complex architecture
An increasing proportion of the cerebellar neurons acquired multiple primary dendrites in humans and other apes, according to a comparison of 11 primate species.
Purkinje cells evolved to have increasingly complex architecture
An increasing proportion of the cerebellar neurons acquired multiple primary dendrites in humans and other apes, according to a comparison of 11 primate species.
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Siddhant Pusdekar
16 July 2026 | 5 min read
Making waves: Sleep-like brain activity in awake mice lowers sleep need, boosts memory
Alternating on/off firing patterns don’t just characterize deep, slow-wave sleep, they drive some of its restorative benefits, new findings suggest.
Making waves: Sleep-like brain activity in awake mice lowers sleep need, boosts memory
Alternating on/off firing patterns don’t just characterize deep, slow-wave sleep, they drive some of its restorative benefits, new findings suggest.
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Alissa de Chassey
16 July 2026 | 4 min read