Multiple fregoli delusions after traumatic brain injury.
A 61 year old man after a traumatic brain injury resulting in right frontal and left temporoparietal contusions developed florid Fregoli-type misidentifications. Extensive neuropsychological testing demonstrated significant deficits in executive and memory functions. The patient's neuropsychological profile closely resembled that seen in previously reported patients with Capgras syndrome. Our findings are consistent with the hypothesis that a combination of executive and memory deficits may account for cases of delusional misidentification associated with brain lesions. However, the form which the delusion takes may be influenced by other factors including motivation.
Feinberg
T E
TE
Yarmon Neurobehavior and Alzheimer's Disease Center, Beth Israel Medical Center, New York, New York 10003, USA.
Eaton
L A
LA
Roane
D M
DM
Giacino
J T
JT
D001924:Brain Concussion / Q000175:diagnosis / Q000503:physiopathology* / Q000523:psychology; D001931:Brain Mapping; D002194:Capgras Syndrome / Q000175:diagnosis / Q000503:physiopathology* / Q000523:psychology; D003702:Delusions / Q000175:diagnosis / Q000503:physiopathology* / Q000523:psychology; D004292:Dominance, Cerebral / Q000502:physiology; D005625:Frontal Lobe / Q000293:injuries / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009042:Motivation; D009483:Neuropsychological Tests; D010296:Parietal Lobe / Q000293:injuries / Q000503:physiopathology; D012649:Self Concept; D012938:Social Perception; D013702:Temporal Lobe / Q000293:injuries / Q000503:physiopathology