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Microdialysis
Technique used to determine the chemical constituents of extracellular fluid.
Cellular Voltammetry
Technique used to identify the concentration of specific chemicals in the brain
Destroys brain tissue
Extracellular recording.
Intracellular recording.
electrodes placed next to cells.
" " inside the cells.
tests of human memory (3)
corsi block-tapping test
mirror drawing task
recent memory task
stroop effect (poor stroop performance)
difference between the reaction times.
Sz, addiction, high impulsivity, poor frontal functioning (brain injury), deviance (adolescents)
Microdialysis
Technique used to determine the chemical constituents of extracellular fluid.
Cellular Voltammetry
Technique used to identify the concentration of specific chemicals in the brain
Destroys brain tissue
Extracellular recording.
Intracellular recording.
electrodes placed next to cells.
" " inside the cells.
tests of human memory (3)
corsi block-tapping test
mirror drawing task
recent memory task
stroop effect (poor stroop performance)
difference between the reaction times.
Sz, addiction, high impulsivity, poor frontal functioning (brain injury), deviance (adolescents)
MRI
Hydrogen atoms.
H protons randomly distributed and caused to line up.
Density of gray and white matter differ.
DTI
Examines myelinated axon-white matter.
Measures density/motion of water.
fMRI
Functional MRI.
Same MRI, except focus on magnetic properties of hemoglobin (carries oxygen in bloodstream).
PET Scan
Positron Emission Tomography.
Inject subject with a dose of a radiopharmaceutical.
Can highlight certain nerurons.
Very expensive, no same people.
SPECT
Same as PET no cyclotron.
Not very good resolution.
Measures relative blood flow.
NIRS
Near-Infrared Spectroscopy.
Gathers light transmitted through cortical tissue to image blood-oxygen consumption.
TMS
Transcranial Magnetic Stimulation.
Magnetic coil is placed over the brain to stimulate.
Used to induce behavior or disrupt.
EEG
Measures graded potentials from thousands of neurons.
Reveals features of brain's electrical activity.
ERPs
Event-Related Potentials.
Mapping Brain Function with event-related potentials.
MEG
Magnetoencephalogram.
Magnetic potential recorded from detectors placed outside the skull.