Which condition is caused by degeneration of the nerves that carry impulses to and from the brain and spinal cord, causing loss of sensation, pain, and inability to control muscles?

Quadriplegia refers to the paralysis of all four limbs due to spinal cord injury or disease affecting the motor pathways. While it involves nerve function, it primarily results from issues in the central nervous system rather than degeneration of peripheral nerves, and does not specifically cause loss of sensation in the same way as peripheral neuropathy.

Bell palsy is a condition that leads to temporary weakness or paralysis of the facial muscles, typically caused by inflammation of the facial nerve. Although it involves nerve impairment, it is localized to the face and does not encompass the broader symptoms of sensation loss and muscle control described in the question.

Alzheimer's disease is a progressive neurodegenerative disorder that primarily affects cognitive functions such as memory and reasoning. It does not directly involve the degeneration of peripheral nerves and is not characterized by loss of sensation or control of muscles; rather, it impacts the brain's ability to function and communicate.