12058. THE ORGANIC BASIS OF MISIDENTIFICATION SYNDROMES: REDUPLICATIVE PARAMNESIA AND CAPGRAS SYNDROME. Reviews the current neuropsychiatric literature on reduplicative syndromes - focusing on Capgras and reduplicative paramnesia (RP) - examining their underlying pathology and assessing current models of etiology. Provides an overview of the case literature on the definitions, classifications, and pathological features of these syndromes. Looks at the theoretical and empirical literature investigating the etiology of the syndromes, focusing particularly on organic explanations. 13p., 53f., 23b.