It seems that our brain predicts semantic features of sensory stimuli to come

Friedemann Pulvermüller, Luigi Grisoni, Semantic Prediction in Brain and Mind. Trends in Cognitive Sciences, Volume 24, Issue 10, 2020, Pages 781-784 DOI: 10.1016/j.tics.2020.07.002.

We highlight a novel brain correlate of prediction, the prediction potential (or PP), a slow negative-going potential shift preceding visual, acoustic, and spoken or written verbal stimuli that can be predicted from their context. The cortical sources underlying the prediction potential reflect perceptual and semantic features of anticipated stimuli before these appear.

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