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Can a Will Be Changed If One Spouse Has Dementia?

While a dementia diagnosis complicates estate planning, it doesn't automatically prevent a person from being able to change their will. The critical factor is whether the individual possesses the necessary "testamentary capacity"—the legal and mental ability to understand and execute such decisions—at the time the changes are made. Determining this capacity is a complex process that weighs medical evidence and the specific circumstances surrounding the will's alteration.