ELECTROENCEPHALOGRAM (EEG) TESTS COMPILATION BUNDLE

full name - electroencephalogram what does it do? - It detects electrical activity in your brain using flat, metal discs also known as electrodes, which are attached to your scalp. what is an EEG test done for? - Tracks and records brain wave patterns What is an EEG test used for? - Helps d...

Which is necessary to calculate the voltage of an EEG wave: a. Montage and deflection (mm) b. Sensitivity (µV/mm) and deflection (mm) c. Deflection (mm) and voltage (µV) d. Sensitivity (µV/mm) and gain correct answer: B A weakness or paralysis of the muscles on one side of the face, w...

Where is the hippocampus located? correct answer: Temporal lobe, responsible for learning and memory What is the amygdala responsible for? correct answer: Long term emotional, processing of memory, the amygdalae are considered part of the limbic system. Located in Temporal Lobe Foramen Ovale...

Patient's with Rett's syndrome usually develop normally until age what? a. 18-24 months b. 3-6 months c. 6-18 months d. 2-4 years correct answer: c. 6-18 months Which of the following is most likely to be associated with a normal EEG? a. left frontal subdural hematoma b. left frontal abs...

The basic unit for measuring current flow is____. c weight b.Coulomb c.Volt d.Ampere correct answer: Ampere The basic unit of resistance is____. a.Ohm b.Coulomb c.Ampere d.Volt correct answer: Ohm Which of the following is not a valid expression of Ohm's law? (in this equation E (...

The basic unit for measuring current flow is? a. Atomic weight b. Volt c. Ampere d. Coulomb correct answer: Ampere Which is not a unit for measuring alternating frequencies? a. Cycles per second b. Volts c. Hertz d. Kilocycles correct answer: Volts Which describes the action ...

EEG history correct answer: oldest non-invasive neuroimaging technique (late 1920s), first recorded by Hans Berger then Adrian and Matthews popularized it; Pauline and Hallowell Davis first ERP recordings EEG vs ERP correct answer: continuous recordings o ongoing electrical brain activity vs EE...

derivation correct answer: refers to both the process of recording from a pair of electrodes in an EEG channel and the resulting EEG record. common reference montage correct answer: montage achieves good analysis of asymmetry provided that there is symmetrical placement of the reference electro...

Common Medication Types (7) correct answer: -Antipsychotic -Antidepressant -Anxiolytic or Hypnotic Drugs -Anticonvulsant/Anti-Epileptic Drugs -Ethanol -Anesthetic Agents -ACTH Antipsychotics correct answer: -Clozapine -Risperdal -Abilify -Zyprexa -Seroquel Antidepressants correct a...

Agnosia - Inability to recognize objects or have knowledge of the objects through the senses Agraphia - Inability to write Alpha Coma - EEG pattern characterized by alpha frequency activity which is monotonous and widespread and shows no response to stimulation in a comatose patient Amplitu...

Subacute sclerosing panencephalitis is associated with: correct answer: Measles Localized or lateralized high voltage delta is seen in: correct answer: Cerebral abscess The EEG of a patient with meningitis is most likely to show: correct answer: Slowing Periodic lateralized epileptiform ...

What stage of sleep will you find vertex waves? correct answer: N1 What stage of sleep will you see sleep spindles? correct answer: N2 What stage of sleep will you see POSTS? correct answer: N1 What would an EEG look like of someone who has down syndrome? correct answer: Normal If a ...

ELECTROENCEPHALOGRAPHY correct answer: The process of amplicication, recording and analysis of the electrical potentails of the brain GRAPH correct answer: instrument GRAPHY correct answer: PROCESS GRAM correct answer: THE RECORDING ELECTROENCEPHALOGRAM correct answer: The EEG recor...

Pediatric syndrome known as Happy Puppet Syndrome correct answer: Angelmann's What do you see in Angelmann's/Happy Puppet Sydrome? correct answer: High Amplitude in Occipital Rare fatal autosomal recessive neuroregenerative correct answer: Battons Performing PS, get photoparoxysmal res...

What is an EEG? correct answer: Measurement of voltage fluctuations at the surface of the scalp generated by the electrical activity of the brain. These voltage fluctuations are called _______ and are recordings of ___________. correct answer: Brain waves Voltage difference versus time How ...

Attenuation - Reduction of EEG activity. An example is reduction or disappearance of the alpha following eye opening. (also referred to as Blocking) Background. - The underlying activity of the brain. Not synonymous with the alpha that itself is seen against the background Bisynchronous. - Occ...

Amplitude - is an indicator of the voltage of the wave. EEG Voltage is measured in - microvolts - uv Low Voltage - 5-20uv Low-Medium Voltage - 20-40uv Medium Voltage - 40-80 uv Medium-High Voltage - 80-160uv High Voltage - >160uv Sensitivity - the control on the EEG machine t...

What does the EEG measure? correct answer: EEG measures voltage fluctuations at surface of scalp = brain waves. What is a brain wave a measure of? correct answer: Change in Voltage over time (voltage vs. time) How is the EEG recorded? correct answer: Voltage difference between recording and...

What does the EEG measure? correct answer: EEG measures voltage fluctuations at surface of scalp = brain waves. What is a brain wave a measure of? correct answer: Change in Voltage over time (voltage vs. time) How is the EEG recorded? correct answer: Voltage difference between recording and...

Agnosia correct answer: the inability to recognize familiar objects. Apraxia correct answer: difficulty with motor planning to perform tasks or movements (your brain knows but it cant carry out) How often does osha check leakage of current correct answer: semiannually What kind of seizur...

EEG pros correct answer: Excellent time resolution - Cognitive, perceptual, linguistic, emotional processes are fast and dynamic - For example, consider theta band (4-8 Hz), a slow rhythm but quite fast for our conscious experience - Or consider gamma (30 -80 Hz) Direct indicator of neuronal ...

Electroencephalogram correct answer: An instrument that generates a record of the electrical activity of the brain by measuring electric potentials using electrodes attached to the scalp. Electroencephalograph correct answer: A chart of the brain waves picked up by the electrodes placed on the ...

All synapses have common characteristics, which can be summarized in this ordered list: correct answer: 1-presynaptic element 2-neurotransmitter (packaged in vesicles) 3-synaptic cleft 4-receptor proteins 5- postsynaptic element 6- neurotransmitter elimination or re-uptake CSF flows in-bet...

What is EEG? correct answer: Electroencephalography - a method of detecting neural activity by placing electrodes on the scalp How does EEG work? correct answer: Electrode cap + amplifier + experimental situation = EEG recording Picks up small fluctuations of electrical signal from neurons (mo...

Which investigators were most instrumental in validating Berger's discoveries? correct answer: Adrian and Matthews Who developed a one channel system for Fourier Analysis? correct answer: Fred Gibbs and Albert Grass Where did Frederic Gibbs, William Lennox, and Hallowell Davis work together...

Process - graphy Instrument - graph Record - Gram EEG-Electroencephalography - The process of amplification, recordings, and analysis of the electrical protentials of the brain Electroencephalogram - EEG recording itself. It can be printed or stored on digital media as a file Electroe...

LTM requirements for minimum storage correct answer: 30 GB or 24 hrs video minimum number of channels recommended for ambulatory EEG (ACNS) correct answer: 8 channels number of channels recommended for LTM (ACNS) correct answer: 32-64 ACNS Guideline 12 correct answer: Guidelines for LTM...

EEG STUDY GUIDE QUESTIONS AND ANSWER

The filters creating a very narrow band pass that should rarely be used clinically are___? Correct answer: lf 5.0 hz and hf 15 hz During the recording of cerebral activity, the calibration input voltage is changed from 50 ocv to 100 ocv. What will the result be? Correct answer: no effect on the...

The filters creating a very narrow band pass that should rarely be used clinically are___? Correct answer: lf 5.0 hz and hf 15 hz During the recording of cerebral activity, the calibration input voltage is changed from 50 ocv to 100 ocv. What will the result be? Correct answer: no effect on the...

A recording of electrical activity in the neurons of the cerebral cortex is called a correct answer: EEG Which of the following statements is true? 1. A recording of electrical activity in neurons of the cerebral cortex is called and electrocardiogram 2. One EEG electrode places on the scalp ...

Documentation of the patient's postmenstrual age correct answer: (PMA ¼ gestational age, measured from the time of the last menstrual period 1 chronological age) at the time of recording •The LMP occurs approximately 2 weeks before conception.). correct answer: a)Term ¼ 37 up to 44 weeks o...

According to the Adult ACNS EEG terminology, a pattern that has at least three independent lateralized patterns with at least one in each hemisphere is A. multifocal B. lateralized C. bilateral independent D. focal correct answer: multifocal According to the Adult ACNS EEG term, a pattern ...

Negative polarity correct answer: Triphasic waves Bancauds Phenomenon, alpha squeak and paradoxical alpha all have to do with correct answer: a reaction of the background brain abscess correct answer: focal polymorphic delta activity A wavefrom of .5 hz can be best enhanced with a filter...

According to ACNS Guidelines, what is the minimum number of simultaneous recording channels recommended for performing clinical EEG ? correct answer: 16 What ancillary equipment is necessary to present an external stimulus during the EEG recording? correct answer: Device to deliver photic flash...