PSYC 211- Midterm 1 Review

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Unformatted text preview: s to generate image of the brain, does not show ac1vity 4)  Diffusion tensor imaging: tracks water spread through the brain to construct an image of axon trajectories, does not show ac1vity 5)  Func1onal magne1c resonance imaging: uses blood oxygen level dependent (BOLD), a measure of oxygenated and deoxygenated blood in the brain, to es1mate regions of high and low metabolic ac1vity Recording neural ac1vity Electroencephalogram (EEG): electrodes placed on scalp and records electrical ac1vity. Good temporal resolu1on, poor spa1al resolu1on. Positron emission tomography (PET): reveals loca1on of injected radioac1ve tracer. Func1onal MRI: measures the blood oxygen level dependent (BOLD) signal which represents metabolic ac1vity of a brain region. Poor temporal resolu1on, good spa1al resolu1on Injec1ng a light- sensi1ve ion channel into a par1cular neuron in order to study its func1on is an example of which technique? 1)  2)  3)  4)  Transcranial magne1c s1mula1on Electrical s1mula1on Chemical s1mula1on Optogene1cs Injec1ng a light- sensi1ve ion channel into a par1cular neuron in order to study its func1on is an example of which technique? 1)  Transcranial magne1c s1mula1on -   FALSE: TMS uses a coil of wires to produce a magne1c field which will interfere with the func1oning of nearby brain regions 2)  Electrical s1mula1on methods -   FALSE: electrical s1mula1on involves inser1ng an electrode into the brain and electrically exci1ng nearby neurons to study their func1on 3)  Chemical s1mula1on methods -   FALSE: chemical s1mula1on involves injec1ng select chemicals into the brain to excite neurons with...
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