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Download e-book for iPad: Brain-Computer Interfacing: An Introduction by Rajesh P. N. Rao

By Rajesh P. N. Rao

ISBN-10: 0521769418

ISBN-13: 9780521769419

The assumption of interfacing minds with machines has lengthy captured the human mind's eye. contemporary advances in neuroscience and engineering are making this a fact, establishing the door to recovery and augmentation of human actual and psychological services. clinical purposes equivalent to cochlear implants for the deaf and neurally managed prosthetic limbs for the paralyzed have gotten nearly commonplace.

Brain-computer interfaces (BCIs) also are more and more getting used in protection, lie detection, alertness tracking, telepresence, gaming, schooling, artwork, and human augmentation. This creation to the sector is designed as a textbook for upper-level undergraduate and first-year graduate classes in neural engineering or brain-computer interfacing for college kids from quite a lot of disciplines. it may even be used for self-study and as a reference via neuroscientists, laptop scientists, engineers, and clinical practitioners. Key positive aspects comprise questions and routines in each one bankruptcy and a assisting web site.

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Additional info for Brain-Computer Interfacing: An Introduction

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1 Spike ­Sorting Invasive approaches to brain-­computer interfacing typically rely on recording spikes from an array of microelectrodes. The goal of signal-­processing methods for such an input signal is to reliably isolate and extract the spikes being emitted by a single neuron per recording electrode. This procedure is usually called spike sorting. The signal recorded by an extracellular electrode implanted in the brain is typically a mixture of signals from several neighboring neurons, with spikes from closer neurons producing larger amplitude deflections in the recorded signal.

Intracellular Recording The most direct way of measuring the activity of a neuron is through intracellular recording, which measures the voltage or current across the membrane of the neuron. 1), uses a glass micropipette with a tip diameter of 1 μm or smaller that is filled with a weak electrolyte solution similar in ionic composition to the intracellular fluid found inside a cell. A silver wire is inserted into the pipette to connect the electrolyte to the amplifier. Voltage is measured with respect to a reference electrode placed in contact with the extracellular fluid that exists outside the cell.

Org/article/Spike_sorting). experimenter has to manually label spikes as coming from one neuron or another.

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Brain-Computer Interfacing: An Introduction by Rajesh P. N. Rao

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