Brain injuries can be as mild as a concussion, and as severe as a traumatic brain injury, or TBI. A traumatic brain injury is diagnosed when a person’s normal brain function has been negatively altered after receiving a forceful trauma to the head (Hockenbury, Nolan & Hockenbury, 2015). Although it is not something we often think about, our brains are highly vulnerable to injury (Hockenbury, Nolan & Hockenbury, 2015). Fortunately most people are able to fully recover after obtaining a concussion, but individuals who experience a lifetime of concussions are more apt to develop Chronic Traumatic Encephalopathy or CTE. CTE is a brain disease that is caused by head trauma and progresses …show more content…
The bystander effect is the theory that individuals are less likely to help a person in need, when there is a greater number of people surrounding the incident. According to the text, the bystander effect occurs because of two major reasons, with the first reason being a diffusion of responsibility (Hockenbury, Nolan & Hockenbury, 2015). Because there is a larger quantity of people, they feel as if the other people are responsible for helping and that they are exempt. This idea leads to no one actually helping. The second reason is because people tend to behave as what they feel is appropriate at the time. If no one else is helping, then the act of helping must be innapropriate. In hopes of appearing correct, people do not stray from what is normal and therefore don 't help the …show more content…
The immune system is our bodies system that protects us from viruses and other illnesses. Our immune system and central nervous system are linked by the bodies lymphocytes; the white blood cells that fight viruses (Hockenbury, Nolan & Hockenbury 2015). There is a continuous relationship between the nervous, immune and endocrine systems, so if one is affected like by stress, the others will be as