An olfactory ‘stress test’ may detect preclinical Alzheimer’s disease
2012
Background
The olfactory bulb (OB) receives extensive cholinergic input from the basal forebrain and is affected very early in Alzheimer’s disease (AD). We speculated that an olfactory ‘stress test’ (OST), targeting the OB, might be used to unmask incipient AD. We investigated if change in olfactory performance following intranasal atropine was associated with several known antecedents or biomarkers of AD.
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