ABSTRACT
This chapter presents the present knowledge on the psychosocial aspect of one neurological disorder, that is, multiple sclerosis. An important concept in multiple sclerosis is an attack or relapse, which means a usually transient deterioration, that is, an outbreak of the disorder. This could be a paralysis, sensory disturbances, visual disturbances, or other problems lasting from a few days up to several months. The onset of multiple sclerosis may be acute, so that a stroke or brain tumor is suspected, but usually a long period passes from the time the first symptom occurs until the diagnosis is made. The prediagnostic period is the period between the first symptom of multiple sclerosis and when the diagnosis is made. Some of the patients will experience a crisis reaction. Of course, this can also occur at other stages of the disorder, such as a relapse or transition to a secondary progressive course.
