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ISF - Infra-slow Fluctuation
What is ISF neurofeedback?
ISF stands for Infra Slow Fluctuation. This is the scientific term for brain waves at a very low frequency, below the other frequencies in the EEG (infra = below). There are scientific hypotheses saying that these slow oscillations are related to a fundamental functionality of the brain. Studies show that the Default Mode Network (the network that has a very central function for many processes in the brain) and the supporting glial cells oscillate at such frequencies.
» More information on ISF neurofeedback
Article by Mark L. Smith in the renowned journal "NeuroConnections"