IN STUDIES of the behavior of patients with organic brain disease the phenomena of reduplication for place, person, and time have been observed. Reduplication for place may be defined as the confabulation of the existence of two or more places with almost identical attributes, although only one exists in reality. Reduplication for person is the confabulation that there are two or more persons with almost identical attributes, although only one exists in reality. Reduplication for time is the confabulation that a present experience has also been experienced at some time in the past. In 1903 Pick1 described reduplication for place and person and termed it "reduplicative paramnesia." As an example, he cited the case of a patient with a diagnosis of senile dementia who, while in Pick's clinic in Prague, said that she had been in another clinic in another city, although the two clinics were exactly alike and