Handouts for 3-D Neuroanatomy We cannot have handouts of the 3-D neuroanatomy (sorry). What I have included Are some images of key structures that will.

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Presentation transcript:

Handouts for 3-D Neuroanatomy We cannot have handouts of the 3-D neuroanatomy (sorry). What I have included Are some images of key structures that will be discussed. In addition we have Provided key talking points to the lecture. - Frank Musiek

Key Points Over view of the brain: note optic, olfactory tracts, auditory regions, lobes, Vascular supply –vertebral basilar (B.S.) Cochlear nucleus views Auditory nerve input to cochlear nucleus Inferior colliculus relationship to medial geniculate Internal capsule function and borders Superior temporal plane (define) Heschl’s, Planum Temporale Insula (role in hearing) Views of the corpus callosum (auditory region)

Internal Auditory Meatus

Int. capsule, sub lent. Inferior colliculus Aud. cortex MGB Dorsal coch. nuc. Ventral coch. nuc. Lat. lemniscus SOC Acous. stria Aud. nerve Spiril gang. Brainstem & cerebral auditory tracts

Modified From Waddington Brainstem Anatomy 1.Medulla 2.4 th ventricle 3.Pons 4.Mid brain 5.Pulvinar 6.Thalamus 7.Inf. Colliculus 8.Coch. nucleus

Cerebral Structures Sup. Temp. gyrus Supra marginal gyrus Temp. Pole

A B C D E A=frontal lobe, B=parietal lobe, C=occipital lobe, D=temporal lobe, E=cerebellum 1=temp. pole, 2=Sylvian Fissure, 3=s. marginal gyrus, 4=angular gyrus, 5=s. temp gyrus From Waddington, modified by Musiek Auditory Area of Cortex

Fig. 1 1= sup. Temp. gyrus 3= Inf. Temp. gyrus5= temp. pole 2= middle ““ 4= sup. marginal gyrus6= central gyrus 7= Sylvian Fiss. Auditory areas (Musiek)

1.int. capsule 2.Ext. capsule 3.Insula 4.Heschl’s 5.Planum temp. 6.Caudate 7.Thalamus 8.Lenticular proc. Temporal Plane (Rt.)

Fig. 3 1= int. capsule 2= thalamus 3 & 4= lenticular process 5= ext. capsule 6= insula 7= Heschl’s

LeftRight GestaltAnalytic From Waddington, modified Corpus Callosum (ventricles)

Case study discussion Vascualar disorders of the pons Damage to the pons Lateralization symptoms of cortical pathology Ventricular abnormalities and CAPD