Behavioral and EEG dataset from the study NEURODYNAMICS OF THE AESTHETIC EXPERIENCE: PERIODIC AND APERIODIC POWER File Description EEG_dataset.zip Merged, montage-standardised BioSemi EEG recordings. 22 subjects, 64 channels, 512 Hz. One .set file per subject (_merged_std1020.set). Behavioral_dataset.zip Per-trial rating files. One .xlsx per subject. Used in MATLAB preprocessing stage 1 to inject ratings into the EEG epoch structure. artwork_lookup_trialKey_CANONICAL.csv Bridge table linking EEG trial keys to artwork numbers and behavioural responses. One row per subject per trial. Columns: subject, trial, trialKey, pos, artwork, vote (rating 1–4), RT (s). Required by the Python and R modelling scripts. Data collected at Pontificia Universidad Católica de Chile as part of the PhD project NEURAL, COGNITIVE, AND EXPERIENTIAL DYNAMICS OF AESTHETIC EXPERIENCE THROUGH VISUAL ARTWORKS