A little exercise can stimulate the memory (3)

I believe the answer is:

jog

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'stimulate the memory' is the definition.
'jog' can be an answer for 'stimulate' (jogging is a kind of stimulating). I'm unsure of the 'the memory' bit.

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for jog that I've seen before include "Reminder" , "Run for fun" , "exercise?" , "Slow run" , "Run slowly" .)

I've seen this clue in the Evening Standard.

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