Abstract:
:Traumatic brain injury (TBI) causes hippocampal damage. The hippocampus can be macroscopically divided into the head, body and tail, which differ in terms of their sensitivity to excitability and also in terms of their cortical connections. We investigated whether damage also varies according to the hippocampal area involved, and studied the relationship of hippocampal reductions with memory performance. Twenty TBI patients and matched controls were examined. MRI measurements were performed separately for the hippocampal head, body and tail. Memory outcome was measured by Rey's auditory verbal learning test, Rey's complex figure test and a modified version of Warrington's facial recognition memory test. Group comparison showed that patients had bilateral hippocampal atrophy, mainly involving the hippocampal head. Moreover, TBI subjects showed verbal memory deficits which presented slight correlations with left hippocampal head atrophy.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Ariza M,Serra-Grabulosa JM,Junqué C,Ramírez B,Mataró M,Poca A,Bargalló N,Sahuquillo Jdoi
10.1016/j.neuropsychologia.2005.11.007subject
Has Abstractpub_date
2006-01-01 00:00:00pages
1956-61issue
10eissn
0028-3932issn
1873-3514pii
S0028-3932(05)00361-1journal_volume
44pub_type
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