You can start with stocit plus one tab twice daily. 1. Breathing excercise (pranayama). 2. excercise Most importantly he needs COGNITIVE REHABILITATION THERAPY. Most cognitive functions ( communication, memory, executive function, concentration etc.) will return with time and rehabilitation, but you may find they do not return to the way they were before.

Give tab strocit plus twice a day for 1 month.rest only time will tell about the actual improvement in these symptoms.