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The Brain and the EEG

The Brain and the EEG. By: Ashley Dudman. The electroencephalogram (EEG) test. The electrical activity of the intellectual capacity also known as the brain, can be measured by an electroencephalogram (EEG) test Intelligence cannot be measured by an EEG test. The Procedure.

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The Brain and the EEG

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  1. The Brain and the EEG By: Ashley Dudman

  2. The electroencephalogram (EEG) test • The electrical activity of the intellectual capacity also known as the brain, can be measured by an electroencephalogram (EEG) test • Intelligence cannot be measured by an EEG test

  3. The Procedure • Make sure to shampoo the hair the night before • Do not use conditioner, oils, cologne and remove a weave if applicable • No intake of caffeine 8 hours before the test • Some procedures will require the patient to be sleeping, so reduce hours of sleep the night before to insure a safe and sound procedure • The electrodes on the head may be sticky, but the procedure should be painless. No distress should occur

  4. Reasons to perform an EEG • Many health conditions can be observed such as: • Tumors • Infections • Confusion/unconsciousness • Head injuries • Alzheimer's and other brain diseases • Unusual changes in body composition that affect the brain • Sleep disorders can be monitored • If performing brain surgery, the brain can be watched • Can help decide if no brain activity is present (brain dead) • The EEG also identifies seizures

  5. Normal results • Different levels of alertness correspond to different frequencies. When you are sleeping, brain waves are slower and when you are awake, brain waves are faster • *Normal results do not infer that no seizures occurred • Normal patterns of these brainwaves are shown on the image located on the next slide

  6. Sample EEG brainwaves

  7. Interpreting abnormal results… • If one receives abnormal results it could be because of the following: • Hemorrhages • Tumors • Drug or alcohol abuse • Head injury • Sleep disorders • Swelling of the brain • Migraines • Seizures • Problems with attention • Blood flow blockage (promotes tissue death)

  8. Works Cited • http://www.nlm.nih.gov/medlineplus/ency/article/003931.htm • http://meditationasheville.blogspot.com/2011/03/holosync-binaural-beat-meditation-cds.html • http://www.pacaudiology.com/For-Dizziness.html • http://mysmalltreasures.blogspot.com/2009/11/i-can-finally-look-at-this-picture-and.html • www.heraldextra.com • http://www.csulb.edu/~cwallis/482/eeg/eeg.html • www.essentialoils.com • http://bgr.com/2012/08/31/brain-wave-hacking-technology-research-eeg-headsets/

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