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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Remembering GABA pioneer Edward Kravitz
The biochemist, who died last month at age 92, was part of the first neurobiology department in the world and showed that gamma-aminobutyric acid is inhibitory.
Remembering GABA pioneer Edward Kravitz
The biochemist, who died last month at age 92, was part of the first neurobiology department in the world and showed that gamma-aminobutyric acid is inhibitory.
By
Claudia López Lloreda
24 October 2025 | 9 min listen
Protein tug-of-war controls pace of synaptic development, sets human brains apart
Human-specific duplicates of SRGAP2 prolong cortical development by manipulating SYNGAP, an autism-linked protein that slows synaptic growth.
Protein tug-of-war controls pace of synaptic development, sets human brains apart
Human-specific duplicates of SRGAP2 prolong cortical development by manipulating SYNGAP, an autism-linked protein that slows synaptic growth.
By
Holly Barker
23 October 2025 | 9 min listen
Neurons tune electron transport chain to survive onslaught of noxious stimuli
Nociceptors tamp down the production of reactive oxygen species in response to heat, chemical irritants or toxins.
Neurons tune electron transport chain to survive onslaught of noxious stimuli
Nociceptors tamp down the production of reactive oxygen species in response to heat, chemical irritants or toxins.
By
Viviane Callier
22 October 2025 | 5 min listen