By Steve Bressert, Ph.D. Narcissistic Personality Disorder is a disorder that is characterized by a long-standing pattern of grandiosity (either in fantasy or actual behavior), an overwhelming need for admiration, and usually a complete lack of empathy toward others.
Idiopathic sensory-motor polyneuropathy is an illness where sensory and motor nerves of the peripheral nervous system are affected and no obvious underlying etiology is found. In many respects, the symptoms are very similar to diabetic polyneuropathy.
Reflex Arcs â¢In a knee-jerk reflex arc thesensory neuron directlyconnects to the motor neuronin the spinal cord. This iscalled a simple reflex arc. â¢ Follow the sensory neuronfrom the spindle (receptor) towhere it connects with the motorneuron in the spinal cord.Nerve cells (neurons)carry the message fromthe stimulated receptorsto the correct effectors.â¢ A sensory neuron carriesthe message from the receptorto the central nervous system (the spinal cord and brain). â¢ A motor neuron carries themessage from the centralnervous system to the effector.â¢ This is a reflex arc.