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The purpose of this study is to examine and to compare gait characteristics under single- and dual-task conditions among healthy subjects together with AD patients at different stages of disease (i.e., pre-dementia, mild and moderate dementia stages).
Although gait disorders are frequently associated with Alzheimer's disease (AD), few studies have focused on their characterization and mechanism. Exploring the associations of the gait characteristics - more particularly the gait variability - with the cognitive performance of AD patients on one hand, and with the morphological brain abnormalities on the other hand, could be useful to understanding the mechanisms of gait disorders in AD.
The main objective of this study is to examine and to compare gait characteristics under single- and dual-task conditions among healthy subjects together with AD patients at different stages of disease (i.e., pre-dementia, mild and moderate dementia stages).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1 | Healthy subjects | ||
| Group 2 | Patients with Mild Cognitive Impairment | ||
| Group 3 | Patients with Mild AD | ||
| Group 4 | Patients with Moderate AD |
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| Measure | Description | Time Frame |
|---|---|---|
| Stride-to-stride variability of stride time | baseline |
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Inclusion Criteria:
Exclusion Criteria:
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All patients of the University Memory Center of Angers Hospital with respect to the eligibility criteria.
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| Name | Affiliation | Role |
|---|---|---|
| Olivier Beauchet, MD, PhD | University Hospital, Angers | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Angers University Hospital | Angers | 49933 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25028353 | Derived | Graffe A, Beauchet O, Fantino B, Milea D, Annweiler C. Vitamin D and macular thickness in the elderly: an optical coherence tomography study. Invest Ophthalmol Vis Sci. 2014 Jul 15;55(8):5298-303. doi: 10.1167/iovs.14-13918. |
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| ID | Term |
|---|---|
| D020235 | Gait Apraxia |
| D000544 | Alzheimer Disease |
| D003072 | Cognition Disorders |
| ID | Term |
|---|---|
| D020233 | Gait Disorders, Neurologic |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D001072 | Apraxias |
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| D011596 |
| Psychomotor Disorders |
| D019954 | Neurobehavioral Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D003704 | Dementia |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D024801 | Tauopathies |
| D019636 | Neurodegenerative Diseases |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |