Mnemonics for Cranial Nerves

Introduction

• Channel focuses on making medical topics easy.
• Today's topic: Mnemonics and tricks for remembering cranial nerves' names and functions.
• This video will also address how to remember cranial nerves with the same starting letter.

Mnemonic for Cranial Nerve Names

• 12 pairs of cranial nerves:
  1. Olfactory
  2. Optic
  3. Oculomotor
  4. Trochlear
  5. Trigeminal
  6. Abducens
  7. Facial
  8. Vestibulocochlear
  9. Glossopharyngeal
  10. Vagus
  11. Accessory
  12. Hypoglossal
• Mnemonic to remember them:
  • Only One Of The Two Athletes Felt Very Good, Victorious And Healthy.
• Suggestion to write it down and repeat it for memorization.

Mnemonic for Cranial Nerve Functions

• Cranial nerve functions can be sensory, motor, or both:
  • Sensory: Sends information from body to brain.
  • Motor: Sends information from brain to body for movement.
  • Both: Has both sensory and motor components.
• Mnemonic for functions:
  • Some Say Marry Money, But My Brother Says Big Brains Matter Most.
• Function allocation:
  1. Sensory
  2. Sensory
  3. Motor
  4. Motor
  5. Both
  6. Motor
  7. Both
  8. Sensory
  9. Both
  10. Both
  11. Motor
  12. Motor
• Suggestion to write both mnemonics next to each other for easy reference.

Tricks for Cranial Nerves with Same Starting Letter

• Cranial Nerves starting with O (Olfactory, Optic, Oculomotor):

  • Olfactory: Deals with sense of smell.
    • Trick: We have one nose → Cranial Nerve 1.
  • Optic: Deals with sense of vision.
    • Trick: We have two eyes → Cranial Nerve 2.
  • Oculomotor: Contains the word motor.
    • Trick: Only motor nerve between cranial nerves 1-3 → Cranial Nerve 3.

• Cranial Nerves starting with T (Trochlear, Trigeminal):

  • Trochlear: Use the O in Trochlear.
    • Trick: O in Trochlear and 4 → Cranial Nerve 4.
  • Trigeminal: Use the I in Trigeminal.
    • Trick: I in Trigeminal and 5 → Cranial Nerve 5.

• Cranial Nerves starting with A (Abducens, Accessory):

  • Abducens: Abdu-6.
    • Trick: Abducens = 6 → Cranial Nerve 6.
  • Accessory: Two pairs of letters.
    • Trick: 11 contains a pair of 1s → Cranial Nerve 11.

• Cranial Nerves starting with V (Vestibulocochlear, Vagus):

  • Vestibulocochlear: Deals with hearing and equilibrium.
    • Trick: E in Ear and Equilibrium → Cranial Nerve 8.
  • Vagus: Innervates organs in thorax and abdomen.
    • Trick: T in Thorax and Tummy → Cranial Nerve 10.

Conclusion

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• Notes and study guide for the video are linked below.