Px044t-F10_L02_cells_proteins

Px044t-F10_L02_cells_proteins - Psy 111/211 Basic concepts...

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Psy 111/211 Basic concepts in Biopsychology Lecture 2: Nervous System Cells and their Proteins
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Lecture Objectives Nervous System Overview – Establish anatomical references for examining the brain and nervous system – Distinguish between central and peripheral nervous system. –D e s c r i b e t h e b a s i c o r g a n i z a t i o n o f s p i n a l c o r d a n d p e r i p h e r a l N S . e s c r i b e t h e b a s i c f u n c t i o n s o f t h e h i n d b r a i n , m i d b r a i n , a n d b a s a l f o r e b r a i n . e s c r i b e t h e d i v i s i o n s o f t h e c e r e b r a l c o r t e x . Cells of the Nervous System – Describe the major functions of the cells of the nervous system: neurons and glia. e s c r i b e t h e d i f f e r e n t p a r t s o f a n e u r o n ; d e f i n e c om p a r tm e n t a l i z a t i o n . – Describe the structure and role of the cellular membrane and cytoskeleton. – Identify the basic functions of mitochrondira, the nucleus, endoplasmic reticulum, and Golgi apparatus. Protein Synthesis – Describe the “dogma” of gene expression and the protein synthesis machinery common to all cells. – Describe “transcription” and the mechanisms of its regulation. – Describe “translation” and the mechanisms of its regulation. – Describe post-translational processing and protein transport within the neuron.
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Levels of Analyses We can try to understand brain function and its relation to psychological processes at “multiple levels”. ¾ We can analyze behavior, ¾ activity in specific parts of the brain, ¾ the connections between these parts of the brain (systems), ¾ the relations between cells with individual parts of the brain, ¾ the activity of individual cells (e.g. neurons), ¾ the connections between cells (e.g. synapses), ¾ to the activity of individual molecules. Today, we will begin with a ±tour² of the nervous system and then start a bottom-up approach to brain function.
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The Nervous System Overview Nervous system, particularly the brain, is tremendously complex and thus we have a great deal of rules organizing how we think it works. .. Let±s start with an anatomical description.
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Finding your way around the nervous system: Anatomical References
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Planes of Sectioning. Coronal plane (mid)Sagittal Horizontal Coronal
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Major Divisions of the Nervous System Central Nervous System- high density of neurons, encased in bone (protected). Peripheral Nervous System- neurons found in bundles ±nerves². These are easily distinguished anatomically but functionally they interact a lot!
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Spinal Cord Nerves (make up the PNS) are bundles of many fibers; each fiber is the axon of an individual neuron and enter/exit the spinal cord via the dorsal or ventral root. Vertebra = armor for spinal cord with nerves entering/exiting into between.
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This note was uploaded on 10/19/2010 for the course PSYCH psych 111 taught by Professor Kippin,t during the Fall '10 term at UCSB.

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Px044t-F10_L02_cells_proteins - Psy 111/211 Basic concepts...

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