Cited by 107Memory and Neural MechanismsTreatment of Major DepressionMemory Processes and Influences

Abnormal hippocampal activation in patients with extensive history of major depression: an fMRI study

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Milne, Andrea M.B., MacQueen, Glenda M., Hall, Geoffrey B.C.·2012·Journal of Psychiatry and Neuroscience

Abstract

BACKGROUND: Impairment of recollection memory is consistently reported in patients with major depressive disorder (MDD) and may reflect underlying functional hippocampal changes, particularly in those with extensive histories of illness. We hypothesized that relative to controls, patients with a protracted course of illness would show diminished hippocampal activation on functional magnetic resonance imaging (fMRI) during a recollection memory task. METHODS: Patients who experienced 3 or more previously treated depressive episodes were compared with age- and sex-matched controls. We acquired fMRI data while participants performed a recollection memory process dissociation task. RESULTS: Using bilateral regions of interest (ROIs) prescribed for the right and left hippocampal/parahippocampal complex, we observed increased activation of the right hippocampal and left parahippocampal gyrus in controls compared with patients with MDD during recollection memory trials. Within-group comparisons revealed heightened engagement of the hippocampal head (R/L) for controls during recollection trials, and greater activation of the hippocampal body/tail (R/L) during the learn-list encoding period in both the MDD and control groups. Recollection memory performance was significantly correlated with changes in blood oxygen level-dependent signal during recollection trials in the ROIs of the right hippocampus and right hippocampal head. LIMITATIONS: This study was limited by the inclusion of patients taking antidepressant medication, raising the possibility that the reported findings were treatment effects. CONCLUSION: The findings of decreased recruitment of the right hippocampal and left parahippocampalgyrus in patients with MDD suggest that these regions may be sensitive to the impact of disease burden and repeated episodes of MDD. This attenuated activation may represent stable changes in hippocampal function that occur over the course of illness in patients with MDD. The findings from within-group comparisons show that the group differences in the activation of the right hippocampal head were driven by greater engagement of this region among controls during recollection memory performance. These results also associate recollection performance impairments in patients with MDD with diminished hippocampal engagement.

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  • The superior parietal lobule and parahippocampal gyrus have shown depression-related phenotypes in previous studies.

    “This analysis also showed associations between depression scores and superior parietal lobule and parahippocampal gyrus activity, two regions that have shown depression related phenotypes in previous studies (Fallucca et al., 2011; Milne et al., 2012).”

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  1. Jacoby LL, Jennings JM, Hay JF. Dissociating automatic and con- sciously controlled processes: implications for diagnosis and re - hab ilitation of memory deficits. In: Herman D, McEvoy C, Hertzog C, et al., editors. Basic and applied memory research: theory in context, Vol. 1. New Hersey: Lawrence Erlbaum; 1996. p. 161-93.
  2. First MB, Spitzer RL, Gibbon M, et al. Structured Clinical Interview for DSM-IV-TR Axis I Disorders -Patient Edition (SCID-I/P. 2/2001 revision). New York (NY): Biomedics Research Department; 1998.
  3. MacQueen GM, Galway TM, Hay J, et al. Recollection memory deficits in patients with major depressive disorder predicted by past depressions but not current mood state or treatment status. Psychol Med 2002;32:251-8.

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Authors
Milne, A. M. B., MacQueen, G. M., & Hall, G. B. C.
Affiliations
University of Calgary (CA)
Venue
Journal of Psychiatry and Neuroscience
Published
2012-01
Volume
37
Issue
1
Pages
28-36
ISSN
1180-4882 (ISSN-L)
OpenAlex
W2125885693
Cited by
107
References
51
Citations by year
2026: 4 · 2025: 4 · 2024: 5 · 2023: 10 · 2022: 9 · 2021: 7 · 2020: 9 · 2019: 6 · 2018: 7 · 2017: 5 · 2016: 9 · 2015: 8 · 2014: 9 · 2013: 5 · 2012: 9
FWCI
3.90
Type
journal article
Language
en
Open access
Locations
  • Journal of Psychiatry and Neuroscience (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
major depressive disorder, hippocampal activation, parahippocampal gyrus, hippocampal head, disease burden, memory impairment
MeSH terms
Adult, Antidepressive Agents, Major Depressive Disorder, Depressive Disorder, Major, Female, Hippocampus, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Memory, Middle Aged, Neuropsychological Tests, Case-Control Studies, Parahippocampal Gyrus, Functional Neuroimaging

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