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Neuroscience 2 Exam 1 > Electroencephalography > Flashcards

Electroencephalography Flashcards

1
Q

EEG is a unique tool for the study of what?

A

Cortical Function

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2
Q

EEG is a valuable supplement to what?

A

History
Physical Examination
Information gained by Radiological studies

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3
Q

Oscillations of the EEG are measured in?

A

Microvolts

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4
Q

Oscillations of the EEG are thought to be generated by?

A

Reciprocal excitatory and inhibitory interactions of neighboring cortical cell columns.

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5
Q

Normal EEG rhythms occur during what state?

A

Awake and Alert State

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6
Q

An awake and alert state is classified as?

A

Desyncronized

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7
Q

In REM sleep, REM stands for?

A

Rapid Eye Movement

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8
Q

REM sleep is described as?

A

A dreamy light sleep accompanied by rapid eye movement

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9
Q

In NREM sleep, NREM stands for?

A

Non-Rapid Eye Movement

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10
Q

NREM sleep is at what stage?

A

Stage 3 or Slow Wave Sleep

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11
Q

For a typical 8 hours of sleep what stages do you go through?

A

REM

Stage 1-4

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12
Q

EEG is used to check?

A

Seizures

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13
Q

After a seizure occurs there will be a brief period of?

A

Hyperventilation

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14
Q

A brief period of photic stimulation using strobe light at varying frequencies can induce a?

A

Seizure

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15
Q

What is a sleep disorder characterized by daytime sleep attacks?

A

Narcolepsy

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16
Q

What syndrome causes irresistible desire to sleep?

A

Narcoleptic Syndrome

17
Q

What other symptoms are present with narcoleptic syndrome?

A

Hypnogogic hallucinations at sleep onset

Cataplexy (muscle paralysis)

18
Q

Next CVA, what is the most common group of problems encountered in clinical neurology?

A

Seizures

19
Q

What are the types of seizures?

A

Benign Febrile Convulsions (BFC)
Seizure due to trauma
Seizure EEG

20
Q

A seizure is a transient alteration of behavior brought about by abnormal burst-firing of neurons in the?

A

Cerebral Cortex “Ictus”

21
Q

Seizures are characterized by either?

A

General or Focal

22
Q

A general seizure was formally called?

A

Grand-Mal Seizure

23
Q

A focal seizure is partial which refers to the?

A

Seizure Origin

24
Q

A generalized tonic clonic seizure is characterized by what two stages?

A

Tonic

Clonic

25
Q

A tonic seizure is classified by?

A

Body Stiffening and Jerky Movements of all 4 limbs

26
Q

A clonic seizure is classified by?

A

Chewing movements of the mouth

27
Q

What is the definition of an absence seizure (petit map)?

A

Blank Periods with episodes of muscle twitching

28
Q

A focal (partial) seizure can be simple which means what is preserved?

A

Conciousness

29
Q

A jacksonian seizure is sequential activation of adjacent areas of the?

A

Motor Cortex

30
Q

What is Todd’s paralysis?

A

Weakness of affected limbs

31
Q

A focal (partial) seizure can be complex which means the patient is?

A

Unaware

Neuroscience 2 Exam 1 (6 decks)

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