CAT scan: rotating xray, temporal resolution: none, spatial resolution: ok, provides quick static image of the brain, allows to see hematomas, MRI: relaxation time of hydrogen atoms after exposition to radio frequency pulse in magnet, MRI temporal resolution: none, spatial resolution: excellent, provides detailed image of the brain, diffusion MRI: diffusion of water in the brain, temporal resolution: none, spatial resolution: excellent, provides information about white matter pathways in the brain, allows to see hematomas early on, PET: electromagnetic radiation induced by decay of isotopes, temporal resolution: poor, spatial resolution: ok, provides metabolic information about brain function/ which brain region is more active in one task or another, fMRI: difference in magnetic properties between oxy- and deoxyhemoglobin, temporal resolution: poor, spatial resolution: good, spatial information about brain function, EEG: electrical currents generated by pyramidal neurons, temporal resolution: excellent, spatial resolution: poor, when specific processes take place, MEG: magnetic fields associated with electrical currents of pyramidal neurons, temporal resolution: excellent, spatial resolution: can be ok, when/where specific processes take place,
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neuromiaging techniques
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