mardi 6 octobre 2015

How The Tdcs Process Works And Its Many Merits To Patients

By Della Monroe


The transcranial direct stimulation therapy is a process that has been used to treat patients with brain injuries like stroke. This therapy is quite simple and can be carried out at a health unit or even the home of a patient. It involves the stimulation of brain neurons with some electric current which is passed through the head from one point to another point in the opposite direction. Tdcs is a critical process and requires professionalism in its undertaking. It should therefore be carried out by an expert with the experience on how the therapy works.

Apart from helping with brain injuries like strokes, the therapy has been advanced to help with other problems affecting individuals. The process can be used to help improve the attention span, reduce memory losses and improve problem solving skills among more. All these can be achieved by having the electric current passed through the head of a patient from different points. This ensures that specific head neurons are stimulated to attain a certain effect on a patient.

Electric current can be passed through the brain in two different modes. Each mode brings about a different desired result. Current may be passed from the positively charged electrode which is the anode towards the negatively charged electrode which is the cathode. It can also be passed in the opposite direction which is from the cathode towards the anode.

The electric current used in the process works by increasing or reducing the excitement of neurons in the brains. When certain neurons in the brain are excited or their excitement reduced, they lead to certain behavioral changes on the patient. The neurons excitement can be increased by passing the direct current from the anode to the cathode. Passing the current from the cathode towards the anode causes an opposite effect which is the reduction in excitement of neurons affected.

This procedure requires you to have a powered device and electrodes to pass the current through the head of a patient. The power source should be able to supply constant direct current during the exercise. Traditional methods have been using only two electrodes for the process. However, modern therapy has adopted the use of more than two electrodes to achieve higher levels of a certain effect.

The process starts with cleaning and preparing the skin on the scalp where the electrodes will be placed. This ensures that there will be a strong connection created between the skin and the electrodes. The electrodes are then attached carefully and current passed through.

The current can be adjusted gradually. It can be decreased or increased gradually depending on how the therapist desires as well as how the patient responds. It should however be constant throughout and not too high as it can be dangerous.

Technology has improved the way in which this therapy is conducted. Research has enabled improvements in the process and made it more effective. The use of many electrodes that are smaller in size enables therapists to get more focus on the parts of the brain that they want to stimulate. This makes the results attained more immense and effective.




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