Brain contusion or cerebral contusion is a form of traumatic brain injury associated with bruise of tissue of the brain. Common symptoms include dizziness and sleepiness, loss of consciousness and difficulty in hearing, vision or speech.

Benign brain tumor refers to a mass of irregular cells found within the brain tissue and they don’t spread to other parts of body and are non cancerous. Persistent headache associated with nausea and vomiting can include the symptoms.

Sudden numbness in mouth can be caused are taking too hot or too cold food or drinks, post dental anesthesia, etc. Numbness in face can be due to nerve problems, injury to facial skin or exposure to extreme cold climate.

Opsoclonus myoclonus is a rare disorder related to nervous system. Tumor and infection trigger sudden immune reaction resulting in the damage of brain cells. Symptoms include spasms of muscles, inability to stand and mental retardation.

Damage to glossopharyngeal nerve can cause glossopahryngeal neuralgia. Severe, one sided lancinating, paroxysmal pain in ear, throat, tongue and tonsil region are some of it symptoms. Pain is of short duration and sudden in onset.

Spinal cord can get compressed by fragmented bones, arthritis, injuries and other factors and can occur all through the spine. Symptoms include numbness, loss of bowel and bladder control, spasticity, pain, weakness and paralysis.

Clonus is the involuntary muscular contractions and relaxation attributed to neurological disease and ankle is the common site of clonus. Multiple sclerosis or amyotrophic lateral sclerosis are often associated with clonus.

Femoral nerve pain is caused due to damage to the femoral nerve in the leg. Burning, stabbing and shooting pain and aggravation by touch are few symptoms. Causes include compression, injury or overstretching of the nerve.

Numbness is nose is caused due to damage to the nerve supplying nasal tissue. Tingling, numbness and burning sensation are common symptoms of sensory nerve getting damaged due to injury, entrapment or due to pressure.

Femoral nerve damage can be due to a direct trauma or as a consequence of a disease or an iatrogenic cause. Weakness and instability of the knee while climbing stairs, weak thigh muscles include the symptoms.

Vertebrobasilar circulatory disorders signs are difficulty in breathing and muscle weakness. To prevent it; lifestyle changes, stopping smoking, eating healthy and regular exercises is required.

Neuropathy is characterized by damage to the nerves and it may be localized or systemic depending upon the extent of damage. Cold laser therapy is an advanced technique to provide instant relief from pain associated with neuropathy.

Small fiber neuropathy is a condition of damage to peripheral nerve fibers. These are located just below the skin and are responsible for sensations like pain, temperature and touch. Diabetes patients can also develop small fiber neuropathy.

Narcolepsy is a specific sleep disorder characterized by excessive sleep during daytime. Memory lapse, black outs, sudden sleepiness while working or driving include the symptoms. Lack of hypocretin and genetics are believed to be the causes.

Tingling in the forearm is commonly associated with compression of the nerve. There are many other causes like deficiency of vitamins which may result in peripheral neuropathy and are manifested in the form of tingling.

Tingling in the fingers is often attributed to the compression of the nerve which supplies to fingers. Carpel tunnel syndrome, rheumatoid arthritis and gout and also diabetes, pregnancy and acromegaly can cause nerve compression.

The human mind works in a complex way and when irregularities occur, malfunction may happen and lead to different types of mental retardation. Most of these mental abnormality conditions develop before the age of 18 years.

Segmental myoclonus is a nervous disorder characterized involuntary contraction of muscles located close to each other. It is attributed to spinal cord damage which may be due to an infection, injury or medullary tumor.

Lesions or wounds on the spinal cord occur when extreme pressure or disease affect the sensory nerves or the autonomic nerves. The nerves usually get inflamed as an automatic response to the assault on the nerves.

Aphasia is a condition that is associated with impairment in written or spoken language. It is an acquired disorder. Aphasia refers to complete impairment, while partial impairment is known as dysphasia.