Alevel psychology , bio psychology helppp

Hi im doing the bio psychology topic but im really stuck on the essays.

How would structure this essay 'Discuss the extent to which Brain functions are localised'- how would you go about structuring this. what shall i write for a01 and a03, for example in msm you talk about sm stm and ltm , what would you write for this essay.

can some pleases show me a brief structure
A01-

A03-

Also how many 16 markers are there in bio psychology and what are they ?

Thank you much appreciated
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