Beta-Band Activity Is a Signature of Statistical Learning
Richter, Craig G.
Landau, Ayelet N.
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Beta-band activity is a signature of statistical learning Louisa Bogaerts, Craig G. Richter, Ayelet N. Landau, Ram Frost Journal of Neuroscience 21 August 2020, JN-RM-0771-20; DOI: 10.1523/JNEUROSCI.0771-20.2020
Through statistical learning (SL), cognitive systems may discover the underlying regularities in the environment. Testing human adults (n = 35, 21 females), we document, in the context of a classical visual SL task, divergent rhythmic EEG activity in the interstimulus delay periods within patterns versus between patterns (i.e., pattern transitions). Our findings reveal increased oscillatory activity in the beta band (;20 Hz) at triplet transitions that indexes learning: it emerges with increased pattern repetitions; and importantly, it is highly correlated with behavioral learning outcomes. These findings hold the promise of converging on an online measure of learning regularities and provide important theoretical insights regarding the mechanisms of SL and prediction