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so, in someone without a history of anxiety/depression, i should be considering the possibility of early dementia?
she hadn't had noticeable problems with memory or functioning until a recent trip to england with my sister, when she did exhibit significant personality changes and some disorientation, but her functioning improved immediately when she returned home
my maternal grandmother developed significant tremors with age, my sister (48) has problems with unintentional head bobbing, and my son has pointed out that I at times have unintentional movements that I would describe as "tics" as well - could the humming be similar to a neurologic condition such as tics or tremors?