Related Experiment Video
Updated: May 29, 2026
Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
Published on: November 19, 2012
Clinical indices of head injury and memory impairment
S Sabhesan1, R Arumugham, M Natarajan
1Psychiatrist, (Former) ICMR Project, Department of Neurosurgery, Govt. Rajaji Hospital, Madurai.
Abstract:
In a prospective follow-up of memory functions after head injury, 61 patients were tested with P.G.I. Memory Scale at the end of 18 months. Patients with acceleration injuries showed a poor performance in comparison to those with contact injuries. Memory was found to be related to indices of severity of injury, particularly post traumatic amnesia (PTA). Presence of fracture of skull or early neurological deficits was not associated with poor performance. Among contact injury patients, lateralization and location of the injury were not found to be discriminatory. Behaviour changes during follow-up were not significantly related to memory impairment.
Related Concept Videos
01:28Traumatic Brain Injury l: Introduction
01:13Amnesia
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...