Some scientific talk concerning a stroke (5)

I believe the answer is:

ictal

I'm a little stuck... Click here to teach me more about this clue!

'some scientific talk concerning a stroke' is the definition.
I can't tell whether this definition defines the answer.

'some scientific talk concerning' is the wordplay.
'some' says the answer is hidden in the clue (some of the parts of the word are used).
'ICTAL' is hidden within 'scientific talk concerning'.

Can you help me to learn more?

(Another definition for ictal that I've seen is " concerned with sudden attack".)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.