The three-axis visual method
Build a mental diagram with three axes per nerve: brainstem origin, exit foramen, territory of innervation. The trigeminal emerges from the pons, splits into three divisions through three foramina, and innervates the face in three sensory territories with motor supply to mastication muscles.
If you cannot draw the cranial nerve and its territory from memory, you do not know it. Drawing forces commitment to spatial relationships that text alone cannot encode.
Group by function
Sensory only: I, II, VIII. Motor only: III, IV, VI, XI, XII. Mixed: V, VII, IX, X. "Some Say Marry Money But My Brother Says Big Brains Matter More" tells you what to test.
High-yield clinical correlations
Bell's palsy (LMN VII) versus UMN facial weakness. Trigeminal neuralgia. Acoustic neuroma and the cerebellopontine angle (VII, VIII). Lateral medullary syndrome. Hypoglossal damage in carotid endarterectomy.
The foramen mental map
Cribriform plate (I), optic canal (II), superior orbital fissure (III, IV, V1, VI), foramen rotundum (V2), foramen ovale (V3), internal acoustic meatus (VII, VIII), jugular foramen (IX, X, XI), hypoglossal canal (XII). Draw the skull base and label these. Visual plates are in the SurgAtlas Anatomy chapter at surgatlas.com.