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.
acute idiopathic polyneuropathy. see idiopathic polyradiculoneuritis. distal polyneuropathy of Birman cats. a noninflammatory, diffuse loss of myelinated fibers in the distal portions of the central and peripheral nervous systems, resulting in progressive hindlimb ataxia and hypermetria in young Birman kittens.