Thank you for that additional information.
From what you have posted, it is possible that you could be having mild TIA's, especially with the problems finding words.....
You should get a complete exam by your primary care MD and, if indicated, an MRI.
Since this has been going on for a month I do not believe you have to rush to the ER today but this is, definitely, something that warrants a complete workup and, possibly, a referral to a neurologist.
Does this make sense to you?
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Dr. Rick MD FACS