Hi, I Have Question About Percocet .. Can This Drug

Hi, I have question about percocet .. can this drug reflect on focus and understanding ?or on action what you are doing.. Can percocet be reason for out from understnading and loss focus . Why i am asking?
because when i was using this drug i signed some documents whcih I was not understanding even i was trying .. i was under pain meds.. can percocet be reason this actions?I remember i did not feel focus or understanding what i am doing i just did what what person was asking? as for now i find out i did big mistake ..i want correct it.. i do not use percocet now.. and i am understand i did mistake.. i need find out if percocet was reason my misundestanding and loss focus..please explain
thank you
Irina