The brain-computer interface is a reality: Last month Synchron implanted a brain-computer interface (BCI) in a New York (BCI) in a patient in New York with paralysis due to amyotrophic lateral sclerosis (ALS). This is the first human trial authorized in the U.S. and joins four other patients with ALS paralysis. and joins four other patients under evaluation in Australia. The latter have been able to perform actions such as chatting on whatsapp, operating a computer cursor or shopping online using only their brain impulses and vision.

The device, called Stentrode, is installed with a catheter and does not require opening the skull to be installed, like other alternatives authorized by U.S. authorities for decades.as other alternatives that have been authorized by U.S. authorities for decades. This alternative makes it less invasive and safer than the older alternative, a 1990s technology that requires opening the skull and installing electrodes in the brain tissue.

The Stentrode is connected via wires to a computer that is installed under the skin on the patient's chest and amplifies brain signals and sends them to a computer or smartphone via Bluetooth. amplifies the brain signals and sends them to a computer or smartphone via Bluetooth.

The technology is still in a preliminary stage of development, but these tests are mainly aimed at analyzing how the human body reacts to the implant and how clearly brain signals are received. The idea of its developers is to reduce the size of the Stentrode in order to be able to install a greater number of devices in eventual patients and to the system's ability to interpret and transmit brain signals.

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