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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The big idea with Diego Bohórquez
His theories around the neuropod have challenged the boundaries of classic ideas regarding gut-brain communication.

The big idea with Diego Bohórquez
His theories around the neuropod have challenged the boundaries of classic ideas regarding gut-brain communication.
Genetic background steers PTEN syndrome traits
People with the syndrome, caused by variants in the gene PTEN, often have autism or cancer, or both, but it depends on the genetic diversity encoded in the components of distinct cell signaling pathways, according to a new study.

Genetic background steers PTEN syndrome traits
People with the syndrome, caused by variants in the gene PTEN, often have autism or cancer, or both, but it depends on the genetic diversity encoded in the components of distinct cell signaling pathways, according to a new study.
Star-responsive neurons steer moths’ long-distance migration
Cells in the bogong moth brain respond to astral landmarks to orient the insects in the direction they need to go.

Star-responsive neurons steer moths’ long-distance migration
Cells in the bogong moth brain respond to astral landmarks to orient the insects in the direction they need to go.