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. 2022 Oct 10;18(5):1029–1030. doi: 10.4103/1673-5374.355756

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Copyright: © Neural Regeneration Research

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Characteristics of OD in aging and different neurodegenerative and neuropsychiatric disorders along with the respective impairments of the neuromodulatory systems.

1: Age-dependent decrease; 2: only patients with amnestic features in MCI; 3: abnormal increase in subcortical dopamine content. AD: Alzheimer’s disease; CBD: corticobasal degeneration; Dep.: depression; DS: down syndrome; FTD: frontotemporal dementia; iPD: idiopathic Parkinson’s disease; iRBD: idiopathic rapid eye movement sleep behavior disorder; MCI: mild cognitive impairment; MSA: multiple system atrophy; OD: olfactory dysfunction; PSP: progressive supranuclear palsy; Sch.: schizophrenia. Unpublished data.