In the brain, information travels among distributed networks, groups of interconnected regions that work together and contribute to specific behaviors, feelings or thoughts. To study how information travels through these networks under different conditions, many neuroscientists rely on functional magnetic resonance imaging (fMRI), a noninvasive imaging technique that measures blood-oxygen changes…
Researchers at the Institute for Basic Science in South Korea, Sungkyunkwan University, and other institutions have developed a new neuroimaging analysis framework called integrated effective connectivity (iEC). This framework aims to estimate how activity in one area of the brain influences activity in another, addressing the limitations of conventional functional magnetic resonance imaging (fMRI) techniques.
By mapping the true flow of neural information in the brain, iEC provides insights into how the functional hierarchy of the human brain reorganizes during different states, such as processing external sights and sounds while watching a movie or focusing on internal states like pain.
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