Headshot of Marion Greenup.

Marion Greenup

Former vice president of administration
Simons Foundation

Marion Greenup joined the Simons Foundation in 2007 as senior vice president of administration and provided support for The Transmitter since its inception. She has a Master of Public Health from Columbia University and a Master of Arts in Education in Early Childhood Development from Tulane University. Previous positions included administrative roles at the NYU Child Study Center, Columbia University Health Sciences, and the Department of Pediatrics. She also served as senior vice president of education and health promotion at the March of Dimes.

Explore more from The Transmitter

Research image of perineuronal nets.

Organoids missing the TSC2 gene form rogue astrocytes; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 28 September.

By Jill Adams
29 September 2026 | 2 min read
Research diagram of task-aligned activity rasters.

Cerebellar neurons reorient brain activity to differentiate similar behaviors

The findings provide a new perspective on how granule cells help to generalize learning across tasks.

By Holly Barker
29 September 2026 | 4 min read
Illustration of waterfall inside a woman's brain.

Revisiting the neural correlates of consciousness

Life happens in real time, but experience may be composed in ragtime—like the music genre, full of offbeat notes and uneven rhythms. The assumption that waking life consists of a “stream” of conscious representations has inadvertently led consciousness science to its current impasse.

By Francis T. Fallon, Michael Pitts
28 September 2026 | 7 min read