defining seizures
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Seizure Definition, Seizure Phases Defining Seizures. A seizure can be defined as abnormal, uncontrolled electrical activity in brain cells. Nerve cells transmit signals to and from the brain in two ways by (1) altering the concentrations of salts (sodium, potassium, calcium) within the cell and (2) releasing chemicals called neurotransmitters (gamma aminobutyric acid).
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Glossary Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor physical signs, thought disturbances, or a combination of symptoms.
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A Revised Definition of Epilepsy Seizures and epilepsy are not the same. An epileptic seizure is a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.n the definition, epilepsy is now called a disease, rather than a disorder. This was a decision of the Executive Committees of the ILAE and the International Bureau for Epilepsy. Even though epilepsy is a heterogeneous condition, so is cancer or heart disease, and those are called diseases.
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Everything You Need to Know About Epilepsy Epilepsy is a chronic disorder that causes unprovoked, recurrent seizures. A seizure is a sudden rush of electrical activity in the brain. There are two main types of seizures. Generalized seizures affect the whole brain. Focal, or partial seizures, affect just one part of the brain.
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seizure disorder A seizure is a sudden disruption of the brain's normal electrical activity accompanied by altered consciousness and/or other neurological and behavioral manifestations. Epilepsy is a condition characterized by recurrent seizures that may include repetitive muscle jerking called convulsions.
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- Epilepsy is the fourth most common neurological disorder and affects people of all ages. Epilepsy means the same thing as seizure disorders. Epilepsy is characterized by unpredictable seizures and can cause other health problems. Epilepsy is a spectrum condition with a wide range of seizure types and control varying from person-to-person. Public misunderstandings of epilepsy cause challenges that are often worse than the seizures.
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- Epilepsy is a central nervous system disorder (neurological disorder) in which nerve cell activity in the brain becomes disrupted, causing seizures or periods of unusual behavior, sensations and sometimes loss of consciousness.
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Non-epileptic seizure Epileptic seizures can occur in someone who does not have epilepsy – as a consequence of head injury, drug overdose, toxins, eclampsia or febrile convulsions, for example. Medically, when used on its own, the term seizure implies an epileptic seizure. The lay use of this word can also include sudden attacks of illness, loss of control, spasm or stroke. Where the physician is uncertain as to the diagnosis, the medical term paroxysmal event and the lay terms spells, funny turns or attacks may be used.
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- Full Definition of EPILEPSY. : any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions. See epilepsy defined for English-language learners.
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seizure complex partial seizure see partial seizure. febrile seizure febrile convulsion. focal seizure partial seizure. focal motor seizure a simple partial seizure consisting of clonus or spasm of a muscle or muscle group, occurring either singly or in a continuous repetitive series.
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Epilepsy in Adults An epileptic seizure is the transient occurrence of signs or symptoms due to abnormal electrical activity in the brain, leading to a disturbance of consciousness, behaviour, emotion, motor function or sensation.Epilepsy is not a single diagnosis but is a symptom with many underlying causes.
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- Epilepsy is a condition of the brain causing seizures. A seizure is a disruption of the electrical communication between neurons. Someone is said to have epilepsy if they experience two or more unprovoked seizures separated by at least 24 hours.
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Gelastic seizure Gelastic seizure: Introduction. Gelastic seizure: A type of seizure where abnormal electrical activity in a particular part of the brain results a sudden brief outburst of emotion such as crying or laughing. The seizure can last from a few seconds to a minute or so and the person may or may not have memory of the episode. More detailed information about the symptoms, causes, and treatments of Gelastic seizure is available below. Symptoms of Gelastic seizure
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- 1 A seizure is a sudden surge of electrical activity in the brain. 2  A seizure usually affects how a person appears or acts for a short time.  Many different things can occur during a seizure. Whatever the brain and body can do normally can also occur during a seizure.
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seizure the act or an instance of seizing. 2. the state of being seized. 3. a taking possession of an item, property, or person legally or by force. 4. a sudden attack, as of epilepsy or some other disease. Origin of seizure.
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- Owners who have a cat that suffers from seizures know first-hand how frightening these episodes can be. A seizure is defined as uncontrollable behavior or muscle activity caused by an abnormal increase in the brain's nervous activities. Epilepsy is the term used to describe recurring seizures.
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Gelastic Seizure: Definition & Causes Gelastic seizures are a type of seizures that involves uncontrolled and unintentional laughter. This laughter is caused by an increase of electrical activity in the brain. While the person suffering from a gelastic seizure may appear to be laughing, they are not experiencing pleasure from the symptoms of this disorder.
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Seizures A seizure (also called a fit, spell, convulsion, or attack) is the visible sign of a problem in the electrical system that controls your brain. A single seizure can have many causes, such as a high fever, lack of oxygen, poisoning, trauma, a tumor, infection, or after brain surgery.
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- 2 1 What Is a seIzure? A seizure is a temporary loss of control often, but not always, accompanied by convulsions, unconsciousness or both. Most common are epileptic seizures, or seizures caused by sudden abnormal electrical discharges in the brain. Non-epileptic seizures, on the other hand, are not accom-panied by abnormal electrical discharges.
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seizure Definition of seizure for English Language Learners. : 1  the act of taking control of something especially by force or violence. 2  law : the act of taking something by legal authority. 3  medical : an abnormal state in which you become unconscious and your body moves in an uncontrolled and violent way.
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- Understanding Seizures -- the Basics. A seizure occurs when there’s abnormal electrical activity in the brain. Seizures may go virtually unnoticed. Or, in severe cases, they may produce a change or loss of consciousness and involuntary muscle spasms called convulsions. Seizures usually come on suddenly and vary in duration and severity.
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What is the difference between seizures, convulsions, epilepsy and tremors? A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain. The term seizure is often used interchangeably with convulsion.. Convulsions occur when a person's body shakes rapidly and uncontrollably. During convulsions, the person's muscles contract and relax repeatedly. There are many different types of seizures. Some have mild symptoms without shaking.
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- Seizures and Neurological Issues. Seizures are periods of sustained hyperactivity in the brain. During a seizure, the nerve cells leave their normal activities, and fire in massive, synchronized bursts. After a few seconds or minutes, the brain regains control and the person returns to normal.