Causes and symptoms. Electric shocks are caused by the passage of electric current through the body. They are caused in infants and young children by their playing with electrical appliances or cords and in older children by mischievous exploration of electrical systems or use of faulty electrical appliances or tools.
What is parkinsons diseases? Parkinsonâs occurs when certain nerve cells (neurons) in a part of the brain called the substantia nigra die or become impaired. Normally, these cells produce a vital chemicâ¦al known as dopamine. Dopamine allows smooth, coordinated function of the body's muscles and movement.
a naturally occurring sympathetic nervous system neurotransmitter that is the precursor of norepinephrine. It is produced in the substantia nigra and transmitted to the putamen and caudate nucleus.It has an inhibitory effect on movement. A depletion of dopamine produces the symptoms of rigidity, tremors, and bradykinesia that are characteristic of Parkinson's disease. It is available as an intravenously injectable drug.n intermediate in tyrosine metabolism and precursor of norepinephrine and epinephrine; neurotransmitter is the peripheral and central nervous systems; depletion of dopamine produces Parkinson disease.