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 (CP) is an umbrella term to describe a group of disabilities that affect the motor control of individuals. The three classifications are Spastic, Ataxic and Athetoid. Spastic Cerebral Palsy affects people about 80% of the time and is characterized by muscle tension (known as âhypertonicâ) in the muscle stemming from a lesion in the motor cortex and brain. Ataxic Cerebral Palsy is reported in 10% of cases and the main brain damage is centered on the cerebellum.