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In this paper the work has been done on the detection of sleep paralysis, during REM state of sleep, with the help of EEG signal analysis. The work included a circuit which reads the signal and verifies it whether EEG, EOG and EMG response is positive or negative, if the response is positive the circuit sends the signal to database to record it and then send it to another person who is beside you...
Paralysis is the loss of muscle function in part of your body. It happens when something goes wrong with the way messages pass between the brain and muscles. This paper discusses the use of an Electroencephalogram (EEG) headset and an electro stimulation device to allow patients facing hand paralysis to regain limited functions of the hands. Electroencephalography is the use of electrodes placed on...
People affected by spinal cord injury (SCI) are usually unable to move their lower limbs due to inactive control of the muscles from the brain. This lack of movement may lead to further moral and physical complexities such as cardiovascular diseases, bone demineralization and bedsores. Physiotherapy based exercise and training are conventionally advised to such plegic patients, which, hereby, has...
A Brain Computer Interface (BCI) provides a new communication channel between human brain and the computer. This paper is concentrated on developing a BCI system, a Virtual Keyboard using the LabVIEW platform. The Electroencephalogram (EEG) signal contains the technical artifacts (noise from the electric power source, amplitude artifact, etc.) and biological artifacts (eye artifacts, ECG and EMG artifacts)...
Motor imagery-based brain computer interface (BCI) technology has motor rehabilitation as one of its main fields of application. The use of a BCI as a neuroprosthetic for paralyzed limb motor restoration implies normally absence of muscle activity. It is still an open question whether residual motor activity in healthy individuals or in patients causes a bias in the modulation of a motor imagery-based...
There are millions of people in the U.S. and many more worldwide who could benefit from a noninvasive-based electroencephalography (EEG) brain computer interface (BCI). A BCI is an alternative or augmentative communication method for people with severe motor disabilities. However, EEG suffers from poor spatial resolution and signal-to-noise ratio (SNR). To improve the spatial resolution and SNR many...
A Brain Computer Interface (BCI) is a device that allows the user to communicate with the world without utilizing voluntary muscle activity (i.e., using only the electrical activity of the brain). It makes use of the well-studied observation that the brain reacts differently to different stimuli, as a function of the level of attention allotted to the stimulus stream and the specific processing triggered...
Event Related Desynchronization (ERD) which is a specific brain wave of motor imagery is popular in the Brain Computer Interface (BCI) researches. Several researches showed that sensory feedbacks affected ERD, but it is not clear which sensory inputs (tactile, muscular, tendonious and articular) mainly affect ERD.We examined how ERD is affected by the Functional Electrical Stimulation (FES) on both...
Event related desynchronization (ERD) which is a specific brain wave of motor imagery is popular in the brain computer interface (BCI) researches. Several researches showed that sensory feedbacks affected ERD, but it is not clear which sensory inputs (tactile, muscular, tendonious and articular) mainly affect ERD. We examined how ERD is affected by the functional electrical stimulation (FES) on both...
It is widely accepted in the BCI (brain computer interface) research community that neurological phenomena are the only source of control in BCI system. However, asynchronous control is an important issue for BCIs working in real-life settings, where it should determine from brain signals not only the desired commands but also when the user wants to input it or stop it. This paper proposes a new mouse...
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