The nervous system is composed of neurons or nerve cells and their supporting structures. Types of Neurons There are three classes of neurons; each class corresponds to a different aspect of nervous system function. Sensory Neurons. Sensory or afferent neurons are specialized to detect stimuli and transmit information about them to the central nervous system. These neurons may connect any organ to the central nervous system. A stimulus is a change in the environment; it may be light, heat, pressure, or a chemical, for example.
Although there have been no general studies of life expectancy in people with cerebral palsy, most children affected by CP live between 30 and 70 years, depending on the severity of the condition.
Cerebral palsy is a group of disorders that affect a person's ability to move and to maintain balance and posture. The disorders appear in the first few years of life. Usually they do not get worse over time. People with cerebral palsy may have difficulty walking. They may also have trouble with tasks such as writing or using scissors. Some have other medical conditions, including seizure disorders or mental impairment.