Cited by 112Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsMemory and Neural Mechanisms

The fornix and mammillary bodies in older adults with Alzheimer’s disease, mild cognitive impairment, and cognitive complaints: A volumetric MRI study.

Copenhaver, Brittany R., Rabin, Laura A., Saykin, Andrew J., Roth, Robert M., Wishart, Heather A., Flashman, Laura A., Santulli, Robert B., McHugh, Tara L. +1 more·2006·Psychiatry Research Neuroimaging

Abstract

The fornix and mammillary bodies are important limbic structures that have not been systematically investigated in the earliest stages of preclinical dementia. The present study examined volumetric changes in the fornix and mammillary bodies and improved previously established tracing guidelines to increase reliability and provide more comprehensive measurements. Volumetric measurements were made in euthymic older adults, including 16 patients with mild Alzheimer's disease (AD), 20 patients with amnestic mild cognitive impairment (MCI), 20 individuals with cognitive complaints (CC) but normal neuropsychological test performance, and 20 demographically matched healthy controls (HC). Structural magnetic resonance imaging included a T1-weighted 1.5-mm coronal volume, acquired on a GE 1.5T LX scanner. After adjustment for total intracranial volume (ICV), significant volume reductions were observed in the fornix and mammillary bodies in patients with AD as compared with HC, CC, and MCI participants. No volume differences were seen between the HC, CC, and MCI groups. Study findings are consistent with previous research showing volume decreases of the fornix and mammillary bodies in AD, and provide new data on the relative preservation of these structures in preclinical disease stages. Results suggest that atrophy of the fornix and mammillary bodies becomes apparent at the point of conversion from MCI to AD. Longitudinal assessments are needed to delineate the time course and extent of the observed volumetric changes.

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Crossref · 10.1016/j.pscychresns.2006.01.015

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  • The fornix is a white matter bundle belonging to the medial diencephalon and serves a vital role in memory functions.

    “The fornix is a white matter bundle belonging to the medial diencephalon and serves a vital role in memory functions (Copenhaver et al., 2006; Nowrangi and Rosenberg, 2015).”

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Authors
Copenhaver, B. R., Rabin, L. A., Saykin, A. J., Roth, R. M., Wishart, H. A., Flashman, L. A., Santulli, R. B., McHugh, T. L., & Mamourian, A. C.
Affiliations
  • Dartmouth College (US)
  • Dartmouth–Hitchcock Medical Center (US)
Corresponding author
Saykin, Andrew J.
Venue
Psychiatry Research Neuroimaging
Publisher
Elsevier BV
Published
2006-10
Volume
147
Issue
2-3
Pages
93-103
ISSN
0925-4927 (ISSN-L)
OpenAlex
W1979535807
Cited by
112
References
54
Citations by year
2026: 2 · 2025: 5 · 2024: 4 · 2023: 4 · 2022: 8 · 2021: 7 · 2020: 9 · 2019: 5 · 2018: 4 · 2017: 4 · 2016: 7 · 2015: 4 · 2014: 5 · 2013: 11 · 2012: 3
FWCI
3.83
Type
journal article
Language
en
Open access
closed
Locations
  • Psychiatry Research Neuroimaging (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Dartmouth-Hitchcock Medical Center
  • National Institute on Aging (R01 AG19771, R01AG019771)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
fornix, mammillary bodies, Alzheimer's disease, mild cognitive impairment, cognitive complaints, preclinical dementia, limbic system, brain atrophy, volumetric MRI
MeSH terms
Aged, Alzheimer Disease, Cognition Disorders, Demography, Female, Humans, Magnetic Resonance Imaging, Male, Mammillary Bodies, Neuropsychological Tests, Severity of Illness Index, Fornix, Brain, Plaque, Amyloid

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