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focal seizure

focal seizure

1 5.6
A sudden change in movement or feeling caused by unusual activity in one part of the brain
  • noun
  • /ˈfoʊkəl ˈsiːʒər/
  • Specialized
translation icon : crisis focal
  • While awaiting the renal biopsy, the patient had two focal seizures starting from the right hand with rapid secondary generalization.

Examples

  • Action's website has detailed information about the types of focal seizures that may occur.

    Academic text (2012)
  • Occasionally, focal seizures may go on to become generalized ones.

    Academic text (2012)
  • The effects of a focal seizure can be relatively mild and may include twitching or experiencing odd sensations such as visual, taste, or sound effects that are not actually there.

    Academic text (2012)
  • The effects of a focal seizure can include twitching or experiencing unusual sensations.

  • While awaiting treatment, the patient experienced a focal seizure that began in his right hand.

  • Doctors explained that a focal seizure involves a temporary disturbance in sensory function.

Synonyms

seizure
vsfocal seizure
  • Specialized
190 5.5

A sudden attack that makes the body shake or lose awareness

is a localized disturbance in movement or sensation from one brain area
epileptic seizure
vsfocal seizure
  • Specialized
3 4.4

A sudden time of shaking or loss of awareness caused by unusual brain activity

is a local motor or sensory disturbance without necessary convulsions or unconsciousness

How Localized

focal seizure
  • Specialized
1 5.6
generalized seizure
  • Specialized
5.8

Surface Forms

focal seizure singular

Morphology

focal + seizure

The meaning 'a seizure localized to a specific area of the brain' is directly and compositionally derived from 'focal' (relating to a focus or localized center) plus 'seizure' (a sudden episode of abnormal brain activity). Although the term is medical/technical, the relation between localization and seizure is transparent and cross-linguistically comparable, so a B1 learner who knows both constituents can infer the MWE meaning.

Etymology

Focal seizure comes from the parts focal meaning 'one spot' and seizure meaning 'a sudden attack'. Imagine a small light flickering in just one room of a house to show a problem in one part of the brain, so a focal seizure causes short symptoms in just one area of the body.