Fyodor Dostoevsky experienced epilepsy throughout much of his adult life. Accounts describe seizures beginning before or around his Siberian exile, although historians have debated the precise timing and medical diagnosis.
His illness became part of both his biography and his fiction. The character Prince Myshkin in The Idiot has epilepsy, and Dostoevsky gives unusually detailed attention to the sensations and emotional aftermath associated with seizures. The novel should not be treated as a simple medical autobiography, but it reflects the author’s personal knowledge.
Dostoevsky’s epilepsy was sometimes misunderstood by later readers, especially when fictional symptoms are assumed to document every detail of his own condition. Medical terminology and diagnosis also changed during his lifetime.
The illness did not prevent him from producing major novels, journalism, and correspondence, though it affected his health and working life.