Alpha Synchrony and the Neurofeedback Control of Spatial Attention

Yasaman Bagherzadeh, Daniel Baldauf, Dimitrios Pantazis, Robert Desimone. Neuron, Dec 2019.


Decreases in alpha synchronization are correlated with enhanced attention, whereas alpha increases are correlated with inattention. However, correlation is not causality, and synchronization may be a byproduct of attention rather than a cause. To test for a causal role of alpha synchrony in attention, we used MEG neurofeedback to train subjects to manipulate the ratio of alpha power over the left versus right parietal cortex. We found that a comparable alpha asymmetry developed over the visual…