Any kind of disorder of the nervous system can be considered as a neurological disorder. Structural, Biochemical or electrical abnormalities in the brain, spinal cord or other nerves can result in a range of conditions. Symptoms can vary from disorder to disorder, and some symptoms may be difficult to diagnose especially in mental disorders. Typical symptoms for neurological disorders are listed below Pain Numbness Headache Tremor Insomnia Mood changes Difficulty to work