1. NEUROANATOMY REVIEW Khaled Na3im NEUROANATOMY REVIEW BRODMANN’S AREAS By Khaled Na3im

2. BRODMANN’S AREAS 8 8 6 6 4 4 3,1,2 17 18 19 39 40 41,42 45,44 22 9 9 10 11 12 34 28 5,7

3. BRODMANN’S AREAS 8 8 6 6 4 4 3,1,2 17 18 19 39 40 41,42 45,44 22 9 9 10 11 12 34 28 5,7 8 = Frontal Eye Field 6 = SMA & Premotor ctx 5,7 = PPC (apraxia, dom. side) 4 = Primary motor ctx 3,1,2 = Primary somatosensory ctx 41,42 = Primary auditory ctx (Transverse gyrus of Heschl) 45,44 = Broca’s speech area (Inf Frontal Lobe; expressive dysprosody) 22 = Wernicke’s speech area (arcuate fasciculus connect to Broca’s; receptive dysprosody) 40 = Supramarginal gyrus (Rt/Lt confusion, dyscalculia, understanding speech) 39 = Angular gyrus (dyslexia & dysgraphia)

4. BRODMANN’S AREAS 8 8 6 6 4 4 3,1,2 17 18 19 39 40 41,42 45,44 22 9 9 10 11 12 34 28 39, 40 = Inf parietal lobe (Gerstmann’s syndrome) on dominant side a) Rt/Lt confusion b) dyscalculia c) finger agnosia d) dyslexia & dysgraphia e) lower quadrantanopia (visual radiations to cuneus) Parietal lobe, non-dominant hemisphere (Sup or Inf parietal lobes) a) contralateral sensory neglect & astereognosis b) construction apraxia c) lower quadrantanopia (visual radiations to cuneus) 9,10,11,12 = Prefrontal ctx Post part of orbital gyrus = smell Uncus = serves as part of primary olfactory ctx (medial temporal lobe) 34 = Primary olfactory ctx (medial temporal lobe—seizures can have smell aura) 5,7