1.25.11 - (1.25.11) How do we learn about what is happening...

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(1.25.11) How do we learn about what is happening in the brain during cognition? Potential Questions that might be answered with Brain Imaging What area(s) of the brain is activated during a task? If I make the stimulus brighter/dimmer/more emotionally salient, how does that change the pattern of activity? What if I tell the participant to pay attention to one stimulus and ignore another? If the participant practices the task, what happens? How does the brain activity of patients with schizophrenia/Alzheimer’s Disease/Autism differ from healthy controls? o Under what conditions and in what regions is activity different? Are there regions where it is the same? What do these techniques measure? Metabolic techniques o PET o fMRI Electrical/Magnetic Techniques o EEGs/ERPs o MEG Method: PET Positron Emission Tomography (PET) o Radioactive tracer is injected into person’s bloodstream- usually form of glucose Usually on the more invasive side o Measures emissions from radioactive glucose
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This note was uploaded on 02/14/2011 for the course PSYC 4100 taught by Professor Unsworth during the Spring '09 term at University of Georgia Athens.

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1.25.11 - (1.25.11) How do we learn about what is happening...

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