PSYC 1013 Lecture Notes - Lecture 8: Schizophrenia, Functional Magnetic Resonance Imaging, Motor System
3 Nov 2016
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Neurotransmitters and functions: peptides: endorphins- aid in pain tolerance. Methods of examining the brain: electroencephalogram (eeg) These electrodes record the activity of millions of neurons. Gives an idea about the function of the brain. Used in clinical settings for diagnostic purposes (sleep disorders, tumours, epilepsy) as well as research (event-related potential or eprs: position emission tomography (pet scan) The patient is injected with a radioactive substance. The active areas then absorb more of the substance, allowing for better visuals. Allows for observation of the function of the brain: magnetic resonance imaging (mri scan) The patient"s head is placed in a magnetic field. Radio waves create high resolution pictures of the brain. Provide a detailed structure of the brain through images: functional mri (fmri) Similar procedure to that of the mri. Different in the fact that it also shows changes in blood flow over time, while the.
