12

Ascending Ramus

Ant. Ramus

Lobe & cortical area (Dr.Dalia – Practical)

Cerebral hemisphere

Connected by corpus callosum 3 surface

o Lat.o Med.o Inf.

Orbital (roof of orbit) Tentorial (tentorium cerebella

Cerebral cortex

Elevation = gyri Groove = sulci

The Lobes

Frontal Lobe (Motor)

Anan’s Side Note

Artery is in subarachnoid space

43

Area :o 4 = 1ry motoro 6 = premotor / motor associationo 8 = frontal eye fieldo 44 (opercular gyrus) & 45 (triangular gyrus) = motor speecho 9,10,11,12 = personality center

Parietal Lobe (Sensory)

Area :o 3,1,2 = 1ry sensoryo 5,7 = sensory association / somatosensory associationo 40 = understand object (like key’s shape in the pocket , ect)o 43 = 1ry taste

Temporal Lobes (Hearing)

Area :o 41 & 42 (Heschl’s area) = 1ry auditory o 22 (Wernicke’s area) = auditory associationo 22 = understand spoken languageo 39 = understand written languageo 40 = understand size,shape,weight & texture

Anan’s Side Note

44 & 45 = Broca’s Area

Sensory speech

Angular gryrus

Occipital (Visual)

Area:o 17 = 1ry visiono 18 & 19 = vision association

Anan’s Side Note

18 & 19