noun, noun which may take the genitive case particle 'no'
mental derangement; mental confusion; alienation
A formal, clinical term for a state of severe mental disturbance or confusion, often used in medical or legal contexts.
精神錯乱の状態で犯行に及んだと弁護側は主張した。
The defense argued that the crime was committed in a state of mental derangement.
He was diagnosed with mental confusion and required hospitalization.