Electrocorticography

Electrocorticography (ECoG) is a method for studying the electrical activity of the brain, which allows you to study the functioning of the cerebral cortex by recording the electrical signals that arise in it. This method is widely used in neuroscience to study brain function and pathologies.

The history of ECoG dates back to the late 19th century, when the German physiologist Otto Lewy first used electrodes to record electrical potentials in the brain. Since then, this method has become one of the most common methods for studying brain function.

The principle of ECoG is that electrodes are placed on the surface of the patient’s head, which record the electrical potentials of the brain. These signals are then transmitted to a computer where they are processed and analyzed.

ECoG is used to study various brain functions such as memory, attention, perception, thinking and others. This method also makes it possible to identify various brain pathologies, such as epilepsy, depression, schizophrenia and others.

One of the main advantages of ECoG is its high accuracy and sensitivity. This method provides information about the functioning of the brain in real time, which makes it possible to study its functions at the level of individual neurons.

In addition, ECoG has a number of limitations associated with its high cost and complexity. However, this method continues to develop and improve, making it increasingly popular in research and clinical practice.

Electrocorticography (ECoG) is a method for recording the bioelectrical activity of the brain, which records the electrical activity of the human cerebral cortex. The method is based on recording action potentials of neurons in the cerebral cortex.

The electrocorticogram (ECoG), recorded using ECoG, is a curve that reflects the change over time in the electrical activity of the cerebral cortex of the subject. When recording an ECoG, an EEG (electroencephalogram) is simultaneously recorded.

The EEG corticogram is compared with the data obtained using EEG corticography, which makes it possible to identify the presence of lesions and dysfunction of the cerebral cortex, as well as to evaluate the effectiveness of the therapy.

The method is based on recording the bioelectric potentials of the cerebral cortex using electrodes that are applied to the scalp. Electrodes are usually thin metal conductors coated with a layer of hydrophilic gel, which ensures good contact with the scalp and does not cause irritation.

To record ECoG, a special apparatus is used that processes the data and converts it into graphic form. Data may be recorded on paper or digitally.

When performing an ECoG, the patient needs to lie on his back with his eyes closed and relax his muscles. To reduce interference caused by head movements, a special head restraint system is used.

ECoG is widely used in clinical practice to diagnose various diseases of the nervous system, such as epilepsy, depression, schizophrenia and others. The method is also used to evaluate the effectiveness of therapy and diagnose brain function disorders.