EEG 211 Final Exam Review Questions With Solutions
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Course
Electroencephalography
Institution
Electroencephalography
EEG 211 Final Exam Review Questions With
Solutions
Epilepsy with a recognizable constellation of onset age, seizure type, etiology and prognosis.
Epilepsy Syndrome
Any condition with recurrent seizures that are not due to transient provoking factors.
Epilepsy
Sudden excessive discharges ...
Seizures consist of visual hallucinations or transient blindness, often with a prominent post-ictal
headache. Consciousness may be preserved throughout. Frequent seizures, may be daily, may be
misdiagnosed with migraine. EEG shows occipital spikes abolished on eye opening and often
activated by photic stimulation. Prognosis fair, 60% spontaneously remit. Benign
Childhood Occipital Epilepsy Gastaut Type
Brief staring spells and myoclonic jerks, especially on waking. Generalized tonic clonic seizures
as well. May be photic sensitive. 3-4 per second polyspike and slow wave complexes shown on
EEG. Prognosis excellent for control on medication but is a lifelong condition. Juvenile
Myoclonic Epilepsy
, EEG 211 Final Exam Review Questions With
Solutions
Prolonged complex partial seizures with prominent autonomic features such as nausea or pallor.
Half of seizures last more than 30 mins, typically starting with staring, confusion, eye deviation,
loss of consciousness and or generalized tonic clonic. EEG shows occipital spikes abolished by
eye opening. Good prognosis. Benign Childhood Occipital Epilepsy Panayiotopoulos
Type
Seizures consisting of twitching of one limb or face, drooling and occur in sleep. Often
conscious during seizure, may progress to generalized tonic clonic seizure. EEG shows
centrotemporal spikes activated by sleep sometimes with frontal positive dipole. Prognosis
excellent, many remit by early adolescence. Benign Rolandic Epilepsy
Staring spells, lasting less than 1 min usually, often with eye blinking. 50% also have generalized
tonic clonic seizures. EEG shows 3 per second spike and slow wave pattern and is activated by
hyperventilation. Prognosis is good, usually remits in adolescence. Childhood Absence
Epilepsy
Seizures may contain vocalizations and arise from sleep, thrashing, trunk and leg automatisms, if
from motor cortex -focal clonic seizures, if from supplementary motor area - bilateral tonic
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