Structure of brain networks is not fixed

The shape and connectivity of brain networks — discrete areas of the brain that work together to perform complex cognitive tasks — can change in fundamental and recurring ways over time, according to a study led by Georgia State University.

The interaction and communication among neurons, known as “functionally connectivity,” gives rise to brain networks. Researchers have long assumed these networks are spatially static and a fixed set of brain regions contribute to each network. But in a new study published in Human Brain Mapping, Georgia State researchers find evidence that brain networks are spatially and functionally fluid.

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