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PHCY 502_Class 12_CNS Pt. 1 Seizures & Insomnia Exam Study Guide
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PHCY 502_Class 12_CNS Pt. 1Seizures & Insomnia Exam Study
Guide
Aura - Answer Subjective sensation of voices, colored lights, crawling or numbness,
experienced at the onset of a neurological conditions such as a migraine or seizure -
can be considered a warning or initial symptom at the beginning of a seizure,
experienced by the patient, but not visible to observers
Tonic - Answer Involves a brief increase in muscle tone (stiffening of the muscles) for
the duration of the seizure
Epilepsy - Answer Neurological condition characterized by two or more unprovoked
seizures.
Seizure - Answer Sudden, uncontrolled electrical disturbance in the brain, which can
cause changes in behaviors, movements, or levels of consciousness
Clonic - Answer Characterized by repetitive, rhythmic jerking
Electroencephalogram - Answer A diagnostic test that measures brain waves, the
electrical impulses in the cerebral cortex. This test helps a doctor to diagnose epilepsy
Focal Onset - Answer AKA partial seizure, are seizures that involve networks in just one
hemisphere of the brain
Generalized Onset - Answer Seizures that involve both hemispheres of the brain
Hemisphere - Answer One half of the cerebrum, the largest part of the brain
Neuron - Answer Specialized cell that is the fundamental unit of the brain and nervous
system, responsible for transmitting sensory and motor information via electrical and
chemical signaling. Many neurons malfunctioning together are necessary to produce a
seizure
Seizure Focus - Answer The site of the brain from which the seizure originated
Status Epilepticus - Answer Single epileptic seizure of >30 minutes duration or a series
of epileptic seizures during which function is not regained between seizures in a 30
minute period. Status epilepticus is a medical emergency and medical help should be
obtained immediately
Arousal - Answer State of being alert and responsive to stimuli
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