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TitleCreatorDescriptionSubject
201 Cerebral Circulation: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDThe major vessels of the anterior and posterior circulation are demonstrated along with the Circle of Willis on both a model and in an animation. The distribution of the three major cerebral arteries is demonstrated along with the concept of a watershed zone. A gross specimen with good vessels is al...Cerebral Circulation; Brain; Dissections
202 Cerebellum: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDThe gross features of the cerebellum are shown. The three peduncles are demonstrated, noting their input and output to and from the cerebellum. Emphasis is given to symptoms of cerebellar disease appearing on the same side of the body. Special emphasis is given to cortical-cerebellar connections, st...Cerebellum; Cortical-Cerebellar Connection; Brain; Dissection
203 Control of the Pupil: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDThrough diagrams, animations and gross specimens the constriction and dilation of the pupil by the autonomic nervous system are described. Both the parasympathetic and sympathetic control are traced and the importance of a constricted pupil, Horner's Syndrome, and temporal lobe (uncal) herniation (d...Brain; Dissections
204 Sensation from the Body: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDSensation consists of various modalities, which tend to travel in one of two pathways. The Anterolateral System also known as the Spinothalamic Tract carries pain and temperature. The Dorsal Column-Medical Lemniscus Pathway carries vibration, joint position, and fine 2-point discrimination. Light or...Spinothalamic Tract; Anterolateral System; Dorsal Column-Medical Lemniscus Pathway; Body Sensation' Brain' Dissection
205 Sensation from the Face: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDSensation from the face travels in one of two pathways both of which eventually converge to form the trigeminothalamic tract that reaches the thalamus. The tract that carries pain and temperature is confusing because it first descends before crossing while the equivalent of Dorsal Column-Medical Lem...Brain; Dissections
206 Vestibular System: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDDiagrams, models and skull preparations are used to describe the vestibular apparatus. The semicircular canals, saccule and utricle are described as well as transduction by the hair cells in the ampullae and maculae. Gross material emphasizes the nerve, vestibular nuclei and connections through the ...Vestibular; Brain; Dissection
207 Auditory System: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDThe anatomy of the middle ear and cochlea are shown using models and diagrams explaining the process of air-fluid transmission and finally transduction by hair cells. Gross specimens demonstrate the cochlear nerve and its brain stem relays and crossings all the way to auditory cortex. Wernicke's are...Middle Ear; Cochlea; Auditory Cortex; Brain; Dissection
208 The Ventricles: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDThe ventricles are demonstrated and named on a model cast as well as in rotating 3D reconstructions. The production, function, circulation and removal of CSF produced by the choroid plexus is discussed using a diagram and then reviewed on frontal, axial and sagittal brain specimens and corresponding...Ventricles; Brain; Dissection
209 Cogan's Lid Twitch SignRaed Behbehani, MDCogan's lid twitch sign is a twitch sign of he upper lid upon looking straight from a sustained downgaze position. It is associated with Ocular Myasthenia Gavis.Myasthenia; Ptosis; Lid Twitch
210 Upbeat NystagmusRaed Behbehani, MD,A patient with a brain stem syndrome due to demyelination and upbeat nystagmus.Upbeat Nystagmus
211 Parinaud SyndromeRaed Behbehani, MDParinaud syndrome, as called dorsal midbrain syndrome, is due to dorsal midbrain lesions from compression (e.g., a tumor), demyelination, or ischemia. The syndrome is characterized by limitation of upward gaze, convergence retraction nystagmus, light near dissociation, and lid retraction (Collier's ...Dorsal Mibrain Syndrome; Parinaud's Syndrome
212 Square Wave Jerks with ContrapulsionRaed Behbehani, MDA patient with history of brain stem stroke 2 months ago (right hemifacial anesthesia , left sided weakness and bulbar symptoms dysphagia) comes complaining of oscillipsia , binocular vertical diplopia). On exam he had a vertical tropia of 3-4 PD (Skew deviation), dissociated nystagmus , and saccadi...Square Wave Jerks; Contrapulsion
213 Oculopalatal TremorRaed Behbehani, MDThis is a usually vertical, pendular nystagmus associated with synchronous rhythmic movement of the palate, developing months after a severe brain stem stroke. The stroke involves the dentato-rubro-olivary tract (Mollaret's triangle). MRI can show hypertrophy of the inferior olivary nucleus in the m...Oculopalatal Tremor
214 Pertinent Pupillary ProblemsKarl C. Golnik, MDPupil Exam is a narrated PowerPoint that covers the basic of examining pupils.Pupil Exam; Pupil
215 Bilateral Acquired Brown's SyndromeRyan D. Walsh, MD; Collin McClelland, MDA 27 year old female with a history of Sjogren's syndrome reported a 2 year history of a vertical binocular diplopia with looking up-and-to-the right. She has also noticed an audible "click" when positioning her eyes in this direction. As depicted in the video, when attempting to look up-and-to-the...Brown's syndrome; Brown syndrome; hypertropia; diplopia; disorder of ocular motility; Sjogren's syndrome
216 Optic Nerve Sheath FenestrationRaed Behbehani, MDOptic nerve sheath fenestration is performed to manage papilledema causing progressive loss of vision , due to raised intracranial pressure from Idiopathic Intracranial Hypertension or Cerebral Venous Sinus Thrombosis. The procedure is usually performed in cases of severe visual field loss or when m...Optic Nerve Sheath Fenestration
217 Temporal Artery BiopsyRaed Behbehani, MDThis is a video of Superficial Temporal Artery Biopsy done under local anaesthesia for a patient who was suspected to have Giant Cell Arteritis (GCA. GCA is vasculitis of the medium sized vessels than can lead to permanent visual loss by causing Arteritis Ischemic Optic Neuropathy. The diagnosis of ...Temporal Artery Biopsy; Giant Cell Arteritis
218 Pulsating ExophthalmosRaed Behbehani, MDThis patient had brain surgery with bone removal resulted in transmission of CSF pulsation into the orbit and pulsating exophthalmos. This sign can also be seen in patient with neurofibromatosis with hypoplasia of the sphenoid wing bone.Pulsating Exophthalmos; Neurofibromatosis
219 AnisocoriaKarl C. Golnik, MDThis is a narrated PowerPoint presentation that covers the common causes of anisocoria.Pupil; Anisocoria
220 Congenital Oculomotor ApraxiaRaed Behbehani, MDCongenital Ocular Motor Apraxia is an uncommon condition that causes children to have difficulty moving their eyes horizontally or from side to side. They are usually unable to quickly move their eyes from side to side and often have to turn their head (head jerking) and not just their eyes to track...Oculomotor Apraxia
221 Ocular NeuromyotoniaRaed Behbehani, MDOcular Neuromytonia is a characterised by by paroxysmal tonic contraction of the extraocular muscles supplied by the oculomotor nerve. It is has been reported after cranial radiation therapy, especially to the sellar-parasellar region and from compressive lesions such tumours or aneurysms. The patho...Ocular Neuromyotania
222 Periodic Alternating NystagmusRaed Behbehani, MDPAN is a nystagamus characterized by a cycle of uniderectional jerk nystagamus for 60-90 sec , a pause for 10-20 sec and a a cycle of a jerk nystagmus in the opposite direction for 60-90 sec. It is found in brain stem and cerebellar conditions as well as ocular albinism ( as in this patient).Periodic Alternating Nystagmus
223 See-Saw NystagmusRaed Behbehani, MDSee-saw nystagmus is a localizing nystagmus to lesions of the sellar and parasellar region. "It's characterized by synchronous elevation and intorsion of one eye and depression and extorsion of the contra lateral eye . This patent has a craniopharyngioma, which was operated twice, optic atrophy and ...See-Saw Nystagmus
224 Marcus Gunn Jaw WinkingRaed Behbehani, MDMarcus Gunn Jaw Wink causes congenital ptosis and eyelid retraction associated with jaw movement or sucking. It's due to "miswiring" between 3rd and 5th cranial nerves. The treatment of ptosis in children is surgery to prevent amblyopia .Jaw Winking; Marcus Gunn
225 Apraxia of Eyelid OpeningRaed Behbehani, MDPatient has Parkinson disease and has developed this condition following deep brain stimulation.Apraxia; Eyelid Opening
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