Margaret suffered from a stroke over six months ago. she lost the ability to recognize faces and the ability to move her left arm and leg. she went through physical therapy to regain the use of her left arm and leg. while she is now able to walk with the use of a cane and can do many things with her left arm, she still has problems recognizing faces and is often unable to recognize her own children and grandchildren. her stroke most likely impacted her _______.