Lecture Images part 1

Lecture Images part 1 - Good morning & welcome to CBNS...

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Good morning & welcome to CBNS 116: “Human Neuroanatomy: Structure-Function Relationships” Instructor: Todd Fiacco TA: Prakash Devaraju, Discussions Mondays 1:10, 2:10. or 3:10 PM in Engineering II room 141. ASSIGNMENT: In the main textbook (John Nolte’s The Human Brain: An Introduction to its Functional Anatomy, Sixth edition, 2009) read Chapter 3: “Gross Anatomy and General Organization of the Central Nervous System”.
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Glenn Hatton, Distinguished Professor in the Department of Cell Biology and Neuroscience, 1934 - 2009.
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Lecture 2 - Overall organization of the brain and spinal cord and surface anatomy Announcements: Assignment : In Nolte read Chapter 3: “Gross Anatomy and General Organization of the Nervous System” pp. 53-78. For next lecture : Read Nolte Chapter 1: “Introduction to the Nervous System”. This will be review for many of you, but the Electron Micrographs will be new. Be sure to be able to identify the structures in the EMs. Lecture Outline : Subdivisions of the nervous system Subdivisions of the brain Planes of section Introduction to coronal series Structures visible in mid-sagittal view Structures visible in inferior view “C-shaped” structures in the brain Overview of connections & pathways
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Orientations and planes of section
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Summary of primary CNS subdivisions
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orientation
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From Moore’s “Clinically Oriented Anatomy”, Sixth edition
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Brain coronal series: be able to identify the labeled structures. The location of the section on the key to the right is very helpful!
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Axons of primary afferents and lower motor neurons convey information to and from the CNS.
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Distribution of somatosensory information to: 1)reflex arc, 2)cerebellum 3)cortex (via thalamus)
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touch-position information (posterior column-medial lemniscus pathway; green) and pain-temperature information (spinothalamic tract; blue) cross at different levels of the CNS.
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Each side of the cerebellum receives information about the ipsilateral side of the body.
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The corticospinal tract upper motor neurons cross at the pyramidal decussation and synapse onto lower motor neurons for voluntary control of movement.
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Ascending cerebellar connections cross to contralateral VA/VL of the thalamus and motor cortex. Corticocerebellar pathways relay through the basilar pons (BP).
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The basal ganglia motor loop is from motor cortex to basal ganglia to VA/VL of the thalamus back to motor cortex
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Lecture 3 - Organizing principles & histology and fine structure of the nervous system Announcements: Assignment : In Nolte read Chapter 1: “Introduction to the Nervous System”. For next lecture : Read Nolte Chapters 4 & 6, “Meningeal coverings of the brain and spinal cord” and “Blood supply of the brain”. Lecture Outline
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Lecture Images part 1 - Good morning & welcome to CBNS...

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