Do you typically obtain an EEG in patients undergoing workup for cognitive dysfunction?

I do not obtain an EEG unless something in the patient's history leads me to suspect seizures.

I'm all for the appropriate use of EEGs but I would say a basic EEG should be part of the evaluation. Ideally, a 24-hour ambulatory EEG (no video needed). At the very minimum, a routine EEG. The yield is admittedly low, but in the rare events that suggest seizures, it is a treatable cause of "dement...

Only if the dementia process is relatively rapid (within 1 year) or if history suggests possible seizures.

I'd request an EEG if there is a suggestion of rapidly progressive dementia.