CLASSROOM MATERIALS. Adapted from the Propaganda Critic Web site. For more detailed definitions and additional examples. see www.propagandacritic.com. PROPAGANDA â the use of a variety of communication techniques that create an emotional appeal. to accept a particular belief or opinion, to adopt a certain behavior or to perform a particular action.
URL of this page: //medlineplus.gov/ency/article/000799.htm. A concussion may occur when the head hits an object, or a moving object strikes the head. A concussion is a minor or less severe type of brain injury, which may also be called a traumatic brain injury. A concussion can affect how the brain works for a awhile. It may lead to headaches, changes in alertness, or loss of consciousness. A concussion can result from a fall, sports activities, or car accidents. A big movement of the brain (called jarring) in any direction can cause a person to lose alertness (become unconscious).
Concussion. Photo by: ia_64. Concussion, or brain concussion, is an injury to the brain caused by a blow to the head or by violent jarring or shaking. It is a form of head trauma that often involves loss of consciousness, which may be momentary or may last for several hours. blow to the head, an injury, a fall, or sudden severe shaking may cause the brain to hit the inside of the skull. If the impact affects the consciousness centers in the brain stem * , then the person with concussion loses consciousness.