   Avicenna located the internal senses in three ventricles of the brain, placing two in each ventricle, with receptive and retentive capacities  respectively.[28] The common sense and (one aspect of) the imaginative faculty comprise the first pair, located in the front ventricle of the brain. The common sense coordinates the impressions received by the individual senses, in order to produce a unified picture of a sensible object. This includes, as Aristotle said, impressions that are related incidentally (kata symbebekê) to the  object,[29] a phenomenon that links memory of past sensible impressions to a current sensation. This indicates a certain capacity to make judgments present already in the common sense.