Day 1 - Neuro Part 1 Basics Flashcards
Touch, vibration, pressure sensation
Dorsal columns - fasciculus gracilis and cuneatus
Voluntary motor command from motor cortex to body
Corticospinal tracts - Lateral and Anterior/Ventral
Pain, temp sensation
Lateral spinothalamic tract
Postural adjustments and head movements
Vestibulospinal tract
Eyelid opening
CN III
Taste anterior 2/3 tongue
CN VII
Head turning
CN XI
Tongue movement
CN XII
Muscles of mastication
CN V
Balance
CN VIII
Monitoring of carotid bodies via chemo/baro-receptors
CN IX
2 Most common locations of aneurysms in Circle of Willis p/w; Type of aneursyms & complication
(1) A. Comm - bitemporal lower quandrantonopia (2) P. Comm - CN III palsy (eye down & out); Note: Berry aneurysms may lead SAH - Worst headache of life
Tract decussates: (1) Dorsal Column (2) LCST (3) Lateral spinothalamic
(1) Medulla (2) Medullary pyramids (3) Anterior white commissure, 1-2 segments above where enters at Lissauer tracts
Voluntary motor command from motor cortex to head and neck
Corticobular tract
Contralateral hemibalismus; Clinical relevance
Subthalamic nucleus lesion; Lesion made to treat Parkinson’s Disease
Eyes look toward lesion
Frontal eye field lesion
Eyes look away from lesion
Prepontine Paramedian Reticular Formation (PPRF)
Upward gaze; Name lesion and syndrome
Superior colliculi; Parinaud syndrome
Hemispatial neglect
Non-dominant parietal lobe (usually right)
Coma
Reticular activating system
Unable to repeat
Arcuate fasciculus
Poor comprehension
Wernicke
Poor vocal expression
Boca
Resting tremor
Basal ganglia