GenPsychBiologicalPart1

GenPsychBiologicalPart1 - Lecture Outline Researching the...

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Lecture Outline Researching the brain. The autonomic nervous system. Major structures of the brain. Brain lateralization. The split-brain phenomenon. Researching the Brain Brain research is dependent on technology. Early brain researchers could: Examine the thoughts and behaviors of patients who had suffered brain damage. Broca’s area and speech deficits. Perform lesion experiments in animals: Destroy a specific brain region and then examine the effects of that lesion on behavior. Hypothalamic damage can lead to obesity or starvation, depending on the location of damage. Researching the Brain (Cont.) Single cell recordings (since 1950’s) Brain imaging techniques: EEG (since 1930’s) and MEG (since 1990’s). Track the electrical activity of the brain. CAT and MRI scans (since 1980’s). Provide detailed pictures of brain structures. PET scan (since 1990’s) . Radioactive tracers are used to map brain regions for high and low activity (blood flow). fMRI (since 1990’s). Magnetically detect blood flow to the brain during activity. TMS (Since 2000’s). Short bursts of strong magnetic impulses into a brain area. PET Scans See figure in textbook (in Chapter 1)
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Overview of the Nervous System and Endocrine System Watch the podcast available in Sakai. For diagrams presenting the same information as the diagrams in the podcast, see Figures 3.4, 3.12, and 3.13 in your textbook. Here is the text that appears on the slides in the podcast: ---------------------------------------------------------------------------------------------- Overview of the Nervous System Nervous system Central Nervous System Spinal Cord
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GenPsychBiologicalPart1 - Lecture Outline Researching the...

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