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This template can be used as a starter file for presenting training materials in a group setting.SectionsRight-click on a slide to add sections.X), protruded tongue points to the weak side.pharyngeal wall pulled toward the normal side (CN.upper face division of the facial nucleus receives dilation of the ipsilateral pupil also occur. Oculomotor nerve roots (intraaxial fibers).Ĭaused by intact lateral rectus (CN VI) and superior.contralateral loss of tactile sensation from the trunk and extremities.Īffected structures and resultant deficits include: contralateral cerebellar dystaxia with intention tremor. complete internal ophthalmoplegia) also occur. fixation and dilation of the ipsilateral pupil paralysis of the levator palpebra muscle) and Intact lateral rectus (CN VI) and superior oblique (CN IV) muscles Ptosis complete ipsilateral oculomotor paralysis oculomotor nerve roots (intraaxial fibers).Compression causes noncommunicating hydrocephalus. Retraction nystagmus on Attempts at upward gaze) pupillary disturbances(Pseudo-Argyll Robertson pupils) pinealoma or germinoma of the pineal region.Īffected structures and resultant deficits include:.Lesions of the internal genu of the facial nerve cause:.nucleus of CN VI underlie the facial colliculus.

This syndrome is often seen in patients with.medial rectus palsy on attempted lateral conjugate That projects through the MLF to the ipsilateral Medial longitudinal fasciculus (MLF) syndrome.Lesions result in ipsilateral Homer's syndrome. Splnothalamic tracts (spinal lemniscus).Ĭontralateral loss of pain and temperature sensation from the trunk.Middle and inferior cerebellar peduncles.Ipsilateral loss of pain and temperature sensation from the face (facial Vestibular nuclei and intraaxial nerve fibers.Lesions result in unilateral central deafness. Cochlear nuclei and intraaxial nerve fibers.Ipsilateral loss of lacrimation and reduced.Ipsilateral loss of taste from the ant.facial nucleus and intraaxial nerve fibers.anterior inferior cerebellar artery (AICA) syndromeĪffected structures and resultant deficits include.Affected structures-Ĭontralateral loss of tactile sensation from the trunk results from thrombosis of the para median branches.i.e., loss of the gag reflex (efferent limb)Ĩ.nucleus ambiguus of CN IX, CN X, and CN XI. Nystagmus, nausea, vomiting, and vertigo. Inferior cerebellar artery (PICA) syndromeĪffected structures - resultant deficits include: Lateral medullary syndrome or posterior.The tongue points to the side of the lesion (i.e., Lesions result in ipsilateral flaccid hemiparalysis of hypoglossal nucleus or intraaxial root fibers [cranial nerve (CN).