when the brain arranges random stimuli into a significant image or sound; faces in the moon, animals in clouds.
The word comes from the Greek words para- ("παρά" = 'beside', 'alongside', 'instead') in this context meaning something faulty, wrong, instead of; and the noun eidōlon ("είδωλον" = 'image', 'form', 'shape') the diminutive of eidos. Pareidolia is a type of apophenia.
