lecture 4

lecture 4 - PSC 1-3 Lecture 4 Page 1 of 3 Announcements:...

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PSC 1-3 Lecture 4 Page 1 of 3 Announcements: There are no announcements today. Last Lecture: In the previous lecture we finished talking about how to interpret data. We discussed the Central Nervous System (CNS) and the Peripheral Nervous System (PNS) and the subcategories of the PNS. We also went in depth in describing the parts of the CNS including the neurons and the various sections of the brain. This Lecture I. The Brain (cont.) a. Imaging of the brain i. Neuro- imaging techniques ( get pictures of a living brain) 1. CAT Scans (Computer Aided Topography) take a series of x-rays of the brain and link them up in slices to show a 3 dimensional image. This just shows the structure of the brain, it does not show which sections are working. ii. Functional neuroimaging is an ongoing image of the brain and which parts are active and which are not. 1. functional magnetic resonance imaging ( FMRT) creates magnetic radio waves and put them into their brain, and as they bounce back, it shows which parts of the brains are more and less active. The more active the part is, the more oxygen is released. 2.
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lecture 4 - PSC 1-3 Lecture 4 Page 1 of 3 Announcements:...

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