Abstract
Abstract An explorative study on cannabis and music perception is presented, conducted in a qualitative and quantitative way in a habituated setting. EEG-brainmapping data (4 subjects; rest-pre/post listening; 28 EEG traces; smoked cannabis containing 20 mg delta-9-THC with tobacco) were averaged and analyzed with a T-Test and a visual topographic schedule. Compared to pre-THC-rest and pre-THC-music, the post-THC-music EEG showed a rise of alpha percentage and power in parietal cortex on four subjects, while other frequencies decreased in power. Comparing pre/post music EEGs, differences (p < 0.025) were also found in the right fronto-temporal cortex on theta, and on alpha in left occipital cortex. Results represent an inter-individual constant EEG correlate of altered music perception, hyperfocusing on the musical time-space and cannabis-induced changes on perception of musical acoustics. Cannabis might be of help for hearing impaired persons.
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