Summary
Published in Lab on a Chip (2021), this peer-reviewed study used 3D Petri Dish® micro-molds to form scaffold-free 3D microtissues. Full citation: Sevetson, Jessica L., et al. Cortical spheroids display oscillatory network dynamics
Cortical spheroids display oscillatory network dynamics
Research Overview
This work demonstrated that 3D cortical spheroid cultures do not merely contain neurons — they build functioning networks. Networks developed by day 9 and produced increasingly complex activity patterns as the cultures matured.
Crucially, the authors showed for the first time that spheroids exhibit network activity resembling in vivo network events, establishing scaffold-free cortical spheroids as a platform for studying oscillatory brain network dynamics in vitro.
Key Discoveries
- Functional neural networks developed in cortical spheroids by day 9 in vitro
- Network activity patterns grew more complex as cultures matured
- First demonstration of spheroid network events resembling in vivo brain activity