All You Want To Know About Brain-computing Interfaces

By Author: Orson Amiri
Total Articles: 401
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Brain-Computer Interfaces (BCIs) facilitate direct communication between the brain's electrical activity and external devices, transforming how we interact with technology. Originating in the 1960s, early BCI research focused on controlling simple devices through brain signals. Today, advancements by companies like Neuralink, which develops implantable Brain-Machine Interface (BMI) devices, showcase the remarkable potential of this technology. BCIs aim to assist, augment, and repair cognitive and sensory-motor functions, allowing individuals, especially those with disabilities, to control devices such as computers, robotic limbs, or motorized wheelchairs purely through thought.

BCIs operate through four essential components: signal acquisition, signal preprocessing, feature extraction, and classification. Signal acquisition involves capturing brain waves via either invasive or non-invasive methods. This is followed by signal preprocessing, which enhances the recorded brain waves and reduces noise. Feature extraction simplifies the data for improved signal interpretation, while classification translates these features ...
... into actionable commands. This complex process allows the user’s thoughts to be interpreted and executed by connected devices, creating a seamless interaction that resembles telepathy.

Recent advancements in BCI technology reveal significant potential for the future. Companies like NextMind and Bitbrain are developing wearable devices that monitor brain activity, while Neuralink's implantable devices interface directly with brain cells, enabling unprecedented control. Researchers are also exploring innovative applications, such as using BCIs to reproduce images based on brain activity or enabling one person to control another's hand movements. As the field evolves, BCIs promise to unlock deeper insights into brain function and enhance human capabilities, moving us closer to the fictional realms depicted in movies like Ready Player One and episodes of Black Mirror.

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