What are the functional deficits produced by hippocampal and perirhinal cortex lesions?

A hippocampal patient is described who shows preserved item recognition and simple recognition-based recollection but impaired recall and associative recognition. These data and other evidence suggest that contrary to Aggleto n & Brown's target article, Papez circuit damage impairs only complex item- item-context recollection. A patient with perirhinal cortex damage and a de layed global memory deficit, apparently inconsistent with A&B's framework, is also described.