noun which may take the genitive case particle 'no', noun
intracerebral; inside the brain
Medical or anatomical term for something located within the brain.
脳内出血は早期発見が重要だ。
Early detection of intracerebral hemorrhage is important.
noun which may take the genitive case particle 'no', noun
in one's mind; mental; imaginary
Refers to something occurring only in the mind, such as thoughts, images, or fantasies. Often used in compounds like 脳内イメージ (mental image) or 脳内変換 (mental conversion).
彼はよく脳内でシミュレーションしてから行動する。
He often acts after running a simulation in his mind.
その曲を聴くと、脳内に映像が浮かぶ。
When I listen to that song, images come to mind.