Seizure threshold
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Seizure threshold
The seizure threshold is the level of stimulus that is necessary to induce a seizure. It is a concept used in neurology and psychiatry to understand the susceptibility of an individual to seizures.
Pronunciation
- /ˈsiːʒər ˈθrɛʃoʊld/
Etymology
The term "seizure" comes from the Old French saisir, meaning "to take hold of", and "threshold" comes from the Old English þrescold, meaning "the point of entering".
Related terms
- Epilepsy: A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.
- Convulsion: A sudden, violent, irregular movement of the body, caused by involuntary contraction of muscles and associated especially with brain disorders such as epilepsy.
- Neurotransmitter: Chemicals that transmit signals from a neuron to a target cell across a synapse.
- Anticonvulsant: A type of medication which prevents or reduces the severity of seizures.
- Kindling (neurology): A phenomenon where a small electrical or chemical stimulus, which initially causes no overt behavioral responses, will lead to seizures if applied repetitively.
See also
External links
- Medical encyclopedia article on Seizure threshold
- Wikipedia's article - Seizure threshold
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