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
Intention tremor
Cerebellar hemispheres
Hyperorality, hypersexuality, disinhibition; Name lesion & syndrome
Bilateral amygdala; Kluver-Bucy syndrome
Personality changes
Frontal lobe
Dysarthria
Cerebellar vermis
Acalculia and Agraphia
Dominant parietal lobe (usually left)
