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Bio Psych Kalat 12E

Chapter 3.3

TermDefinition
Ablation Removal of a brain area, generally with a surgical knife
Computerized Axial Tomography (CT and CAT scan) Method of visualizing a living brain by injecting a dye into the blood and placing a person's head into a CT scanner; x-rays are passed through the head and recorded by detectors on the opposite side
Evoked Potentials or Evoked Responses Electrical recordings on the scalp from brain activity in response to a stimulus
Functional Magnetic Resonance Imaging (fMRI) A modified version of MRI that measures energies based on hemoglobin instead of water; determines the brain areas receiving the greatest supply of blood and using the most oxygen
Lesion Damage to a structure
Magnetic Resonance Imaging (MRI) Method of imaging a living brain by using magnetic field and a radio frequency field to make atoms with odd atomic weights all rotate in the same direction and then removing those fields and measuring the energy that the atoms release
Magnetoencephalograph (MEG) A device that measures the faint magnetic fields generated by brain activity
Phrenology A process of relating skull anatomy to behavior
Positron-Emission Tomography (PET) Method of mapping activity in a living brain by recording the emission of radioactivity from injected chemicals
Stereoaxic Instrument A device for the precise placement of electrodes in the brain
Transcranial Magnetic Stimulation The application of an intense magnetic field to a portion of the scalp, temporarily inactivating neurons below the magnet
Created by: kassmea