Solution of Mathematical Logical Problems in a Sensory Enriched Environment (classical music)

Accompaniment of the solution of mathematical logical problems with classical music at levels of 35 and 65 dB led to decreases in problem solution times. Louder music (85 dB) had no significant influence on the problem solution process. Solution of mathematical logical problems without musical accompaniment led to increases in the coherence of potentials in the beta1, beta2, and gamma frequency bands in the occipital areas of the cortex, with a predominance in the left hemisphere. EEG coherence decreased in the frontal area of the cortex. Music decreasing problem solution time induced increases in left-sided EEG asymmetry. Accompaniment of problem solution by classical music increased both intrahemisphere and interhemisphere coherence of potentials in the frontal areas of the cortex. Use of louder music (85 dB) to accompany problem solution induced right-sided EEG asymmetry, and foci of coherence links also often appeared on the EEG of the temporal area of the right hemisphere.