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Epilepsy is a group of neurological diseases characterized by epileptic seizures. It affects millions of people worldwide, with 80% of cases occurring in developing countries. This can result in accidents and sudden, unexpected death. Seizures can happen undetectably in newborns, comatose, or motor impaired patients, especially due to the fact that many medical personnel are not qualified for EEG...
Epilepsy is the disease of brain with more than 60 million (approx) cases worldwide. The cure for epilepsy is surgery and medication. Some patients are not cured with surgery and medicine. One third of the cases still remain with unrestrained epilepsy. There is an existing need of constant monitoring for epileptic seizures in this kind of cases. Treatment can be better provided by the doctors if seizure...
Epilepsy is a neurological disorder that affects a significant percentage of the population. Currently, electroencephalogram exams (EEG) are considered a valuable tool to support epilepsy diagnosis. In order to obtain a more trustworthy diagnosis, it is frequently necessary to submit patients to long monitoring periods. This fact, beyond causing discomfort to the patients and their relatives, implies...
Epilepsy is one of the commonest, serious and divesting brain disorders. Although it is still an incurable disorder in most cases its symptoms can be ameliorated by lifelong pharmaceutical treatment. Depending on the type of epilepsy and due to its multifactorial causes, different brain and body parameters need to be assessed continuously over a long period. This allows clinicians to have a better...
Epilepsy is a brain disorder that affects millions of adults and children in America. It is characterized by abnormal neuronal signaling and can cause strange sensations, emotions, behavior, loss of consciousness, muscle spasms, and convulsions. These episodes are very difficult to predict with the current technologies available, and almost impossible to accurately record outside clinical settings...
Rhythms analysis is a quantitative analysis tool that detects only the spectral patterns of rhythmical activity present on the electroencephalography (EEG) and therefore is very important on seizure detection. In the hospital of S. João, a high amount of EEG records are performed both in the routine EEG and intensive care units (ICU). On November 2009, began in this hospital the study of the impact...
It is critical to set up a precise and feasible monitoring system for a variety of animal or human studies. A behavioral state and physiological signal monitoring system was developed. Four EEG and three-axis accelerometer signals are acquired and transmitted to a host computer for further automatic analysis or visual review. The wireless communication based on IEEE 802.15.4/ZigBee frees the experimental...
Most of the automatic seizure detection schemes reported in the literature are complex for detecting seizures that are of (a) short duration, (b) minimal amplitude evolution, or (c) non-rhythmic mixed frequency epileptic activity. We present a novel morphology-based classifier to detect epileptic seizures for intracranial EEG recording. The method characterizes epileptic seizure by detecting continual...
A patient-specific model-based seizure detection method using statistically optimal null filters (SONF) has been recently proposed to aid the review of long-term EEG [1, 2]. The method relies on the model of a priori known seizure (template pattern) for subsequent detection of similar seizures. Artifacts, non-epileptic EEG rhythms, and at times modeling errors lead to increased false or missed detections...
Epilepsy is a neurological disorder, which sometimes cannot be successfully treated. We propose a real-time closed-loop monitoring and controlling device for epileptic seizure detection and suppression. This wireless-networked embedded device includes signal conditioning circuitry, a stimulator, and a microcontroller with a wireless transceiver. A TI CC2430 receives the conditioned EEG signals and...
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