Psychology Course Work – Coursework Example

2 October Answers Hypnosis is clinically used for the treatment of numerous problems. It is not just used for medical reasons, but it also provides the solution for many psychological problems. Hypnosis is conventionally used for the treatment of insomnia, depression, phobias, weight control and to stop smoking.
Sleep can be divided into five stages. In Stage 1, the sleep cycle commences. It is a light stage in which wakefulness transforms into sleep. Very slow high amplitude theta waves are generated by the brain. This stage lasts 5 to 10 minutes. In Stage 2, brain generates sleep spindles. This lowers the body temperature and heart beat retards. This stage completes in 20 minutes. In Stage 3, delta waves are started to be produced by the brain. This stage transits between light and very deep sleep. In Stage 4, brain rapidly produces delta waves. The consequential deep sleep occurs for about 30 minutes. Some people sleepwalk in this stage. Stage 5 is characterized by dreams. In this stage, eyes move rapidly. Brain activity and rate of respiration increase in this stage.
Nightmare is an extremely terrible dream which causes the individual to heavily perspire, increases the heart beat rapidly and the individual may become dumbfounded. Nightmares can occur to people of all ages. Night terror disrupts sleep. It is a disorder of parasomnia and is mostly observed in children. They become terrified.
Three signs of substance abuse as defined by the American Psychiatric Association (APA) are increased duration of abuse than was intended, reduction of social activities and continued abuse in spite of unfavorable outcomes.