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PSY224 STUDY GUIDE 3.pdf - 1. Electroencephalography tests...

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1.Electroencephalography tests study brain activity relating to cognitive processes,noninvasively. The EEG also has poor spatial resolution since the signals aremeasured from the scalp, making them more difficult to analyze. The EEG’sability to identify where in the brain activity originates, makes it possible tolocalize activity.2.The best approach for this scenario would be the functional magnetic resonanceimaging (fMRI). The fMRI is noninvasive and is used for identifying regionsassociated with tasks, meaning it would be able to determine the effects well.Transcranial magnetic stimulation (TMS) would also work in this scenario, itallows for inferences to be made, by perturbing the brain and stimulating braintissues.3.The BOLD signal is initiated by the ion transporters by the brain’s bloodconcentrations. Ion transporters work harder and require more energy as more
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Positron emission tomography, 10 seconds, 2 seconds, Functional magnetic resonance imaging

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