A new study shows that astrocytes use a protein called Gat3 to manage ambient GABA levels, helping neurons work together to ...

Because of this, they are referred to as generalised seizures and they affect the motor cortex, which controls the body’s voluntary muscle movements. This brain area would have been involved in ...

Latencies were longest in the inferior or lower regions of the motor cortex as well as another surface layer, the inferior frontal gyrus, at 1.0 second and 0.75 second, respectively.

That view dates back to the 1930s, when Canadian neurosurgeon Wilder Penfield began mapping the brains of his epilepsy patients by applying electrical currents to areas in the motor cortex.

Before diagnosis, 58 went to emergency care for seizures. Looking back at medical records, researchers determined for 32, their first seizure was a motor seizure, and for 26, a nonmotor seizure.

The human brain’s motor cortex is often regarded as a linear map with discrete sections, each controlling different parts of the body. The discovery that portions of the motor cortex have other ...

Meta-learning of human motor adaptation via the dorsal premotor cortex. Proceedings of the National Academy of Sciences, 2024; 121 (44) DOI: 10.1073/pnas.2417543121 ...

The homunculus map of the primary motor cortex (left), compared to the updated map (right). The new map includes regions that control whole-body movements. Gordon, et al. via Nature under CC BY 4.0 ...

He knew that every one of her seizures followed the same pattern: It would start at one of her hands, move to her wrist, then her shoulder, then her face.

More information: Zheng Gan et al, Layer-specific pain relief pathways originating from primary motor cortex, Science (2022). DOI: 10.1126/science.add4391 ...

HAMILTON: Ultimately, Dosenbach says this led to a new map of the motor cortex. DOSENBACH: There's two interleaved systems. So it's a checkerboard pattern. It's specific body parts.