Background: Fatal familial insomnia (FFI) is a rare autosomal dominant inherited disease and a type of prion diseases. We report a case of fatal familial insomnia (FFI) in a 52-year-old man who was initially misdiagnosed as Alzheimer's disease.
Case Presentation: The patient presented with persistent insomnia as the initial symptom, accompanied by cognitive impairment, autonomic dysfunction, and disorders of voluntary movement.
Objective: Impaired interhemispheric connectivity and corpus callosum atrophy have been linked to cognitive impairment in Alzheimer's disease (AD). Existing evidence indicates that repetitive transcranial magnetic stimulation (rTMS) targeting the bilateral precuneus may enhance cognitive function in AD. This study aims to investigate the effects of precuneus rTMS on cognitive function, as well as alterations in interhemispheric functional connectivity (FC) and its structural basis in patients with subjective cognitive decline (SCD) and mild cognitive impairment (MCI).
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