1 A PET scan can help a doctor find nervous system problems, such as Parkinson's disease, multiple sclerosis, transient ischemic attack (TIA) , amyotrophic lateral sclerosis (ALS) , Huntington's disease, stroke, and schizophrenia. 2  Find changes in the brain that may cause epilepsy.
Robotics engineers are engineering technologists who apply principles from mechanical, manufacturing and electrical engineering to design and test robots, automated systems and new applications.
But this specific subset of robots is actually not very common. A robot can be defined as a mechanical device that is capable of performing a variety of tasks on command or according to instructions programmed in advance. Engineers design robots to perform complex tasks more easily and with greater accuracy.