In an open letter, Schneider Williams wrote of the years leading up to her husband's death and what she calls "the terrorist" inside his head.
Lewy body dementia is a degenerative disease that can cause hallucinations, memory loss and anxiety, among other symptoms. It's closely related to Parkinson's disease, which Williams was diagnosed with in May 2014.
Schneider Williams describes a complete personality change in Williams. She said her husband became more paranoid and anxious than he'd ever been in the years they'd known each other.
She wrote, "Robin was losing his mind, and he was aware of it."
But the letter isn't just the story of Williams' diagnosis; it also serves as an impassioned plea to those fighting LBD.
Schneider Williams wrote, "This is a personal story, sadly tragic and heartbreaking, but by sharing this information with you, I know that you can help make a difference in the lives of others."
Read the full letter in the American Academy of Neurology journal.
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