COGS17 - CS17 Neurobiology of Cognition Summer 2011 A few...

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CS17 Neurobiology of Cognition Summer 2011 A few general concepts concerning the science of mind… Mind-Body Problem - What is the relationship between the brain and the mind? Dualism - Per Descarte (1600’s): Brain not = Mind (Soul); Brain is physical, Mind is immaterial Monism - Prevalent contemporary stand: Brain does = Mind; Mind is the activity of the physical Brain But, what of Consciousness ? = “Me”; Subjective experience of those aspects of Mind to which I have access Most contemporaries presume other humans conscious. But other animals? Robots? How would you tell? The Hard Problem Why should consciousness exist? What is the physical nature of consciousness? This course presents a materialist description of the structure and function of the brain - The ??? are up to you… Lecture 1a: Anatomy of the Nervous System Anatomical Terms referring to Orientation/Positioning___________________ Dorsal = toward the back of the body and, in the human head, toward the top Ventral = toward the stomach and, in the human head, toward the bottom Rostral / Anterior = toward the front end Caudal / Posterior = toward the rear end Superior = above another part Inferior = below another part Lateral = toward the sides, away from the midline Medial = toward midline, away from the sides Coronal Plane = plane through brain as seen from the front (“Corona” = “Crown”) Saggital Plane = plane through brain as seen from the side (Saggitarius, the Archer) Horizontal Plane = plane through brain as seen from above (Sometimes called the Transverse Plane) Ipsilateral = making a connection on the same side (left/right) of the Nervous System Contralateral = making a connection on the opposite side (left/right) of the Nervous System Divisions of the Nervous System Central Nervous System (CNS) = Spinal Cord and Brain - The entire CNS is encased in bone (skull, spinal column) and sheathed in the 3-layered Meninges Peripheral Nervous System (PNS) = Nerves outside the CNS. Its two Subsystems are… - Somatic Nervous System: Responsible for interaction with external environment (Sensory/Motor) - Automonic Nervous System: Regulates internal environment (Controls internal organs) Support Structures Meninges : Dura Mater (“Tough mother”) = thick outer layer immediately under bone Arachnoid Mater (“Spider mother”) = spider-web-like spongy layer (Subarachnoid Space
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This note was uploaded on 09/07/2011 for the course COGS 17 taught by Professor Pineda during the Spring '06 term at UCSD.

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COGS17 - CS17 Neurobiology of Cognition Summer 2011 A few...

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