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Updated: May 29, 2026

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
Published on: November 19, 2012
Psychopathology of confabulations in head injury
S Sabhesan1, R Arumugham, M Natarajan
1Psychiatrist, ICMR Project, Department of Neurosurgery, Govt. Rajaji Hospital, Madurai.
Abstract:
Confabulations observed during head injury recovery were of two types ; momentary and fantastic. Both occurred in relation to either the dysmnestic phase of early recovery or the post traumatic amnesic syndrome. In a follow-up of 174 head injured patients, all 12 patients evincing confabulations had suffered from acceleration injuries. In comparison to controls, they had a longer post traumatic amnesia period. Clinical and psychometric lateralization of the deficits pointed to left sided impairment. Their memory scores were not qualitatively or quantitatively different from those of equivalent controls. Patients differed from the controls in certain personality dimensions. Relative contribution of clinical deficits, memory impairment and personality dimensions to the occurrence of confabulations and its dynamic significance in maintaining the personal identity system of the patient are discussed.
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