as. The terms used are neurosis, and psychosis. A neurosis is the term used to describe a mild disorder that may cause a small amount of emotional stress, but does not cause a great deal of interference in the patients everyday life. The term psychosis is used to describe a severe mental illness that is strong enough to prevent someone from performing as they normally would. The term “insanity” is used to describe a person with a mental illness. This is not a medical term. It is actually a legal term that is used in court to try to prove a person to not be legally responsible for their actions. There are more than one hundred different types of mental illness. They are divided into ten categories. These categories include delirium, dementia, schizophrenia, mood disorders, anxiety disorders, dissociative disorders, somatoform disorders, personality disorders, eating, and finally substance disorders.The first of these categories, delirium is when a person is not aware of their environment and can be distracted very easily or become confused. Sometimes a delirious person may not know where or who they are, their speech may be hard to follow and be very disorganized. Delirium however is not usually a long lasting illness and the person is over it in a week or so.A second form of mental illness is dementia. Dementia can be diagnosed by a loss of the ability to remember and judge things appropriately. A person with dementia may have a difficult time with remembering names, conversations, and not follow rules or laws. Dementia occurs mostly in elderly people and is the result of illnesses such as Alzheimer’s disease that destroys brain tissue.A third, and very serious type of mental illness, is schizophrenia. This disorder affects a person’s way of thinking, their emotions, perceptions, and their behavior. It is determined that a person has schizophrenia if he or she displays one or more of the following char...
