brainwave

• Nom désignant soit une oscillation rapide de tension dans le cortex cérébral, enregistrée par électroencéphalogramme, soit une soudaine compréhension claire d'une situation complexe.

A noun referring to either a rapid fluctuation of voltage in the cerebral cortex detectable by an electroencephalograph, or a sudden clear understanding of a complex situation.

1. Electrical activity in the brainC1formalmedical

   Rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.

   Onde cérébrale

   • The doctor monitored the patient's brainwaves during the sleep study.
   • Different brainwave patterns are associated with different states of consciousness.
   • The EEG recorded abnormal brainwave activity.

   Synonymesbrain wave

2. Sudden clever ideaB2informal

   A sudden, clear understanding of a complex situation or a brilliant idea.

   Idée soudaine et ingénieuse

   • I had a brainwave and solved the puzzle in seconds.
   • She had a brainwave about how to improve the design.
   • His brainwave saved the company thousands of dollars.

   Synonymesbrainstormconceptflashideainsightinspirationnotionrevelationthought