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Although the appreciation of art is highly subjective, the purpose of the unique Acclair Art Valuation Service is to determine a buyer's interest based on their brain activity.

Created by Eyal Fied and Luther Thie, the Acclair Art Valuation Service is part of the tech-art STRP Festival. Essentially, visitors are asked to don a EEG brain scanning device that later displays their brain patterns in real-time on the gallery walls, showing what their response was to each piece of artwork.