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Verlamde man bestuurt computer via gedachten
Verlamde man bestuurt computer via gedachten

... The device can tap into a hundred neurons at a time, and is the most sophisticated such implant tested in humans so far. Many paralysed people control computers with their eyes or tongue. But muscle function limits these techniques, and they require a lot of training. For over a decade researchers h ...
Powerpoint slides
Powerpoint slides

... It was pretty clear early on that electricity played a role of some sort in neural communication  Galvani, frogs’ legs and lightning  Fritsch and Hitzig stimulated cortex of various animals, got twitches  Bartholow and Mary Rafferty  Dr. Penfield, I smell burnt toast ...
Single Unit Recording
Single Unit Recording

... electrode introduced into the brain of a living animal will detect electrical activity that is generated by the neurons adjacent to the electrode tip. If the electrode is a microelectrode, with a tip size of 3 to 10 micrometers, the electrode will often isolate the activity of a single neuron. The a ...
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Single-unit recording

In neuroscience, single-unit recordings provide a method of measuring the electro-physiological responses of single neurons using a microelectrode system. When a neuron generates an action potential, the signal propagates down the neuron as a current which flows in and out of the cell through excitable membrane regions in the soma and axon. A microelectrode is inserted into the brain, where it can record the rate of change in voltage with respect to time. These microelectrodes must be fine-tipped, high-impedance conductors; they are primarily glass micro-pipettes or metal microelectrodes made of platinum or tungsten. Microelectrodes can be carefully placed within (or close to) the cell membrane, allowing the ability to record intracellularly or extracellularly.Single-unit recordings are widely used in cognitive science, where it permits the analysis of human cognition and cortical mapping. This information can then be applied to brain machine interface (BMI) technologies for brain control of external devices.
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