Neural Exam - 12 month Cranial Nerves

Embryology - 11 Dec 2023        Expand to Translate
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<html5media height="300" width="320">File:12mo 03.mp4</html5media>

This infant is 12 months old. A colorful finger puppet is used to attract the infant’s attention and test extra ocular range of movement. For testing visual fields, a finger puppet is again used to get the infant to visually fixate, and then a dangling measuring tape is used to test peripheral vision. Cranial Nerves  Nerve Number Name Type Origin Function CN I Olfactory sensory telencephalon smell placode CN II Optic sensory retinal ganglial cells vision CN III Oculomotor motor anterior midbrain extraocular muscles eye movements and pupil dilation (motor) CN IV Trochlear motor dorsal midbrain extraocular muscles (superior oblique muscle) CN V Trigeminal motor/sensory pons touch, mastication CN VI Abducent motor extraocular muscles control eye movements (lateral rectus muscle) CN VII Facial motor/sensory pons facial expression, taste (tongue anterior and central regions) regulate salivary production. CN VIII Acoustic sensory vestibular and cochlear nuclei hearing, placode CN IX Glossopharyngeal motor/sensory medulla swallowing and speech, taste (tongue posterior region) CN X Vagus motor/sensory medulla larynx and pharynx muscles (speech and swallowing), regulates heartbeat, sweating, and peristalsis CN XI Accessory motor motor neurons sternocleidomastoid and trapezius muscles CN XII Hypoglossal motor motor neurons tongue muscles (speech, eating and other oral functions) Cranial Nerve Development: Newborn - Normal | Newborn - Abnormal | 3 months | 12 months | 18 months | Neural - Cranial Nerve Development

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12 Months Neural Exam Movies: Shy | Social and Language | Cranial Nerves | Tone - Tone | Reflexes - deep tendon reflexes | plantar reflex‎ | Parachute | Pincer Grasp | Beads in the Cup | Play Ball | Transition in and out of Sitting | Creeping | Stoop and Recover | Motor/Gait - Stand, Walks with Support | Toddler’s Gait | Head Circumference | Neural Exam Movies

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Cite this page: Hill, M.A. (2023, December 11) Embryology Neural Exam - 12 month Cranial Nerves. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Neural_Exam_-_12_month_Cranial_Nerves

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© Dr Mark Hill 2023, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G