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Amyotrophic lateral sclerosis (ALS) : A progressive disorder where nerve cells break down and muscles weaken.Trauma or surgery could injure or sever a nerve.ĭisorders that affect the cranial nerves include: In some cases, a condition may damage only one cranial nerve. Some conditions or injuries can damage parts of the brain where cranial nerves are located. What conditions and disorders affect your cranial nerves? Some say my mother bought my brother some bad beer, my, my.Some say marry money, but my brother says big brains matter more.
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The word order mirrors the numerical order of nerves one through 12: To remember cranial nerve functions, the words in the mnemonic start with: Ooh, ooh, ooh to touch and feel very good velvet.On old Olympus’s towering top, a Finn and German viewed some hops.Or they can help you remember whether nerves are sensory, motor or both.Ĭranial nerve mnemonics to remember the names of the nerves in order include: Is there an easy way to remember the cranial nerves with a mnemonic?Ĭranial nerve mnemonics are memory devices to help you remember the names of the nerves in order of one through 12. It runs through many parts of your body, including your tongue, throat, heart and digestive system. Your vagus nerve has both sensory and motor functions. The longest cranial nerve is the vagus nerve. Your brainstem connects your brain and spinal cord. The other 10 pairs of cranial nerves start in your brainstem. Optic nerves that affect your ability to see.Olfactory nerves that affect your sense of smell.These two pairs of cranial nerves include: The cerebrum is the largest portion of your brain that sits above your brainstem. Two of your cranial nerve pairs originate in your cerebrum. Where is the location (origin) of the cranial nerves? Hypoglossal nerve: Ability to move your tongue.Accessory nerve (or spinal accessory nerve): Shoulder and neck muscle movement.Glossopharyngeal nerve: Ability to taste and swallow.Auditory/vestibular nerve: Sense of hearing and balance.Facial nerve: Facial expressions and sense of taste.Abducens nerve: Ability to move your eyes.Trigeminal nerve: Sensations in your face and cheeks, taste and jaw movements.Trochlear nerve: Ability to move your eyes up and down or back and forth.Oculomotor nerve: Ability to move and blink your eyes.Experts categorize the cranial nerves based on number and function: Your 12 cranial nerves each have a specific function. One olfactory nerve is on the left side of your brain and one is on the right side of your brain. For example, you have one pair of olfactory nerves. Each nerve pair splits to serve the two sides of your brain and body. They are a key part of your nervous system. The cranial nerves begin toward the back of your brain. These signals help you smell, taste, hear and move your facial muscles. A number of cranial nerves send electrical signals between your brain and different parts of your neck, head and torso.