Lecture02_BrainAnatomyPrelims

Lecture02_BrainAnato - Outline Introduction to the Brain Anatomic Structure Blood Vessels Functional Organization A Neuroanatomy primer

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1 Outline • Introduction to the Brain – Anatomic Structure – Blood Vessels – Functional Organization • Preliminaries – Mathematical Preliminaries, Matlab Primer, Matrix Primer – Image File Formats – Overview of Software Packages – Introduction to two Matlab Software Packages A Neuroanatomy primer.
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2 Gross surface anatomy of the human brain. References: Duvernoy, H. The Human Brain: Surface, Blood Supply, and Three-Dimensional Sectional Anatomy, 3 rd Edition, 1999: Absolutely the best atlas of the human brain and blood supply. Nolte, J. The Human Brain 3 rd Edition, Mosby Year Book, 1993: Good coronal slices and great in depth text on whole brain anatomy and motor pathways Damasio, H. Human Brain Anatomy in Computerized Images, Oxford University Press, 1995: Old but purely visual book that’s worth looking through A myriad of web sites – surf to your heart’s content! http://www.neuropat.dote.hu/anastru/anastru.htm - this site has great coronal images http://www.neuropat.dote.hu/atlas.html - same as the above site but with fantastic pathology pictures for those interested http://www.med.harvard.edu/AANLIB/home.html - nice neuropathology and movies of angiograms http://www.neuroguide.com/neuroimg_1.html#human_neuroanatomy – couldn’t get this one to work at time of writing this – but it looks interesting! Defining the lobes central (rolandic) sulcus sylvyan (lateral) sulcus frontal lobe temporal lobe occipital lobe parietal lobe 14 Major Sulci Main sulci are formed early in development Fissures are really deep sulci Typically continuous sulci •Interhemispheric fissure •Sylvian fissure •Parieto-occipital fissure •Collateral sulcus •Central sulcus •Calcarine Sulcus Typically discontinuous sulci •Superior frontal sulcus •Inferior frontal sulcus •Postcentral sulcus •Intraparietal sulcus •Superior temporal sulcus •Inferior temporal sulcus •Cingulate sulcus •Precentral sulcus Other minor sulci are much less reliable Source: Ono, 1990 Interhemispheric Fissure -hugely deep (down to corpus callosum) -divides brain into 2 hemispheres -deep, mostly horizontal -insula (purple) is buried within it -separates temporal lobe from parietal and frontal lobes Sylvian Fissure Sylvian Fissure (or lateral sulcus)
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3 Parieto-occipital Fissure and Calcarine Sulcus Parieto-occipital fissure (red) -very deep -often Y-shaped from sagittal view, X-shaped in horizontal and coronal views Calcarine sulcus (blue) -contains V1 Cuneus (pink) -visual areas on medial side above calcarine (lower visual field) Lingual gyrus (yellow) -visual areas on medial side below calcarine and above collateral sulcus (upper visual field) Collateral Sulcus -divides lingual (yellow) and parahippocampal (green) gyri from fusiform gyrus (pink) Cingulate Sulcus -divides cingulate gyrus (turquoise) from precuneus (purple) and paracentral lobule (gold) Central, Postcentral and Precentral Sulci Central Sulcus (red) -usually freestanding (no intersections) -just anterior to ascending cingulate
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This note was uploaded on 02/10/2010 for the course TBE 2300 taught by Professor Cudeback during the Spring '10 term at Webber.

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Lecture02_BrainAnato - Outline Introduction to the Brain Anatomic Structure Blood Vessels Functional Organization A Neuroanatomy primer

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