My Mother,age-45yrs,diabetic,suffering From CVA(left Tempo Parietal Infraction) Since 11th June,she

My mother,age-45yrs,diabetic,suffering from CVA(left tempo parietal infraction) since 11th June,she is having allopathic medicine,she is at home after 4 days in ICU and total 7 days in hospital. Diagnosed with slurring speech,repeating words any event,childish laugh and movement. She can memorize name and faces. Want to know, how our internal system work when we speak and what happens in her case? Does she understand what anyone is talking about? How to keep record of improvement in her health and how to sop port emotionally as a family?