Nerves conduct electrical impulses which control activity in ... is called the “upper motor neuron”. Motor neuron disease (MND) occurs in 1 - 5 per 100,000 people, with typical onset at 50 - 70years.

In a complex symphony of activity all those impulses are somehow encoding your thoughts, feelings, and understanding. There are about 85 billion neurons in a typical ... of a neuron brain cell ...

Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. Relay neurons connect sensory neurons to motor neurons. Motor neuron sends electrical ...

268 Speed (in miles per hour) at which signals travel along an alpha motor neuron in the spinal cord, the fastest such transmission in the human body. Sensory receptors in the skin, which lack the ...

Three-feet-tall, and just 28 pounds, Tabitha Wright says Aspen, her youngest daughter, is a typical 4-year-old ... she was just 3-months-old. SMA, a motor neuron disorder, is causing Wright ...