Brain neurons either stimulate or stop other neurons from sending messages. This normally happens in a balanced way. Some neurons stimulate other neurons whereas others stop them. However in epileptic patients, there is an imbalance between the neurons that excites or stops. When too many neurons get excited, this imbalance generates an abnormal electric discharge that may cause seizures in a patient. During this abnormal activity, the involved parts of the brain cannot perform their normal tasks and people find abrupt changes in movements, sensation, awareness or behavior. A seizure keeps on from a few seconds to a few minutes. The main infirmity with seizures is the uncertainty of occurrence. Most patients perform normally out of seizure,
Seizure are uncontrolled or sudden abnormal electrical activity in the brain which causes abnormal motor and sensory activity and where the patient becomes unconsciousness. It is caused by the depolarization of the neurons. Any changes that takes place in our body that may be internal or external it can easily stimulate the irritable neurons. Seizure last for a second or a minute, in which the neurons stops unexpectedly. The pattern of electrical activity or brain waves during a seizure can be seen in EEG, by knowing what type of seizure. There are different
Seizure is an abnormal electrical activity in a person's brain, seizures can occur on a daily basis. Others have them once every couple of months and many may have them every now and then or never if treated with medication. There are many types of seizure, for some seizures a person may become very stiff leading them to pass out and their whole body shakes, full body-seizures can reduce breathing, bite their tongues causing them to bleed,
Our brain is susceptible to many diseases that disrupt normal function, like the disease known as Grand Mal Seizures. Normally, electrical charges are produced by ions in the brain(sodium, potassium, or calcium) and they are released on a regular basis. When released, nerve cells are able to effectively communicate with each other. When a seizure occurs it's due to this process being disturbed. The Ions are damaged cause chemical imbalances which leads to misfired nerve signals. Grand Mal seizures are characterized by three stages. These stages include the Pre-Ictal stage, the Ictal stage(where the seizure occurs), and the Postictal stage. In the first stage, a patient is likely to see a hallucination or some sort of warning sign before the
Epilepsy is a brain disorder in which clusters of nerve cells also called neurons inside the brain signal unusually or in which case the brains neurological pattern also called the electrical pattern is disrupted. Neurons inside the brain usually generate electrochemical impulses that communicate with other neurons. In Epilepsy, the usual pattern of neurological activity becomes distorted, causing odd sensations such as behavioral and emotional, muscle spasms, sometimes convulsions and loss of consciousness can occur. Seizure disorders originate from a pathogenic process, head trauma, metabolic processes, exogenous or endogenous poisons, and a simple fever. Seizures may be a result from an exposure to many types of poisons such as lead and carbon monoxide but it can also
Epilepsy/seizure – caused by an abnormal electrical condition in the brain producing: absences, convulsions, unusual movements, temporary loss of consciousness.
Epilepsy and Seizure Disorder: All actions and functions travel to the different parts of the brain much like electrical wiring. The “electricity” moves from one area or wired circuit through another by jumping and traveling from area to area much like electricity Due to abnormal electricity and “jumping” seizures can occur. Epilepsy is where these electoral abnormalities are reoccurring often causing many seizures. The Tonic-Clonic or Grand Mal seizures that CM has is from muscles tightening and relaxing very fast due to the abnormal jumping of electricity in the brain. P. 417
Epilepsy is due to an upset in brain chemistry, which means that the messages that travel between nerve cells or neurons become scrambled. Because of this, the activity of neurons is disturbed and results in a seizure or loss of consciousness. Many types of seizure can occur and epilepsy can affect anyone at any age.
Seizure disorders, according to the Mayo Clinic (2015), affect approximately 1 in 26 people in the United States. Persistent, or chronic, seizures result from a condition called epilepsy, a neurological disorder of the central nervous system. It can affect anyone regardless of age, but is more common during early childhood and after age 60. Given the number of people that seizure disorders, such as epilepsy, affect, it becomes helpful to gain a foundational understanding of the disease, including some of the causes, symptoms, and treatments available.
Seizures or epilepsy are brain disorders where the person has repeated convulsions over a period of time. They’re episodes of disturbed brain activity that cause changes in attention and behavior. Seizures are considered the most common observed neurological dysfunction in children. They are very sudden intermittent episodes of altered consciousness lasting seconds to minutes and include involuntary tonic (stiffening of muscles) and clonic (altering contraction and relaxation of muscles) movements.
It was believed a seizure in the brain caused by the electric current would stimulate the release of neurotransmitters, and would allow the brain to reorganize to function correctly (Nasar). Neurotransmitters are chemical substances that transmit signals that facilitate cell to cell communication throughout the nervous system, and play a key component in the biological paradigm for treatment of schizophrenia. At this early stage of understanding schizophrenia’s pathology, it was believed these chemicals were imbalanced and shocking the brain would force a rebalance of these vital chemicals. Once rebalanced, it was hypothesized the patient would no longer suffer from schizophrenia (Tharyan, 2005). The insight into treating neurotransmitter imbalances in patients diagnosed with schizophrenia began the treatment path to present day antipsychotic pharmaceutical drug therapy. While the actual effects of electroshock therapy on patients with schizophrenia are unclear, it is still used today to treat schizophrenic patients who are resistant to pharmaceutical drug therapy. Electroshock therapy was the utilization of insulin coma therapy and electroshock therapy to treat schizophrenia were successful partly due to the required hospital admittance and doctor administered methodology. In both treatments the patients were required to be admitted into a hospital and were not responsible for administering the treatment themselves. While both treatment methods were viewed as inhumane and
Epilepsy is a brain disorder in which individuals have recurrent seizures. Seizures can occur in children and adults of any age. There are around 50 million people in the world who has the disorder. Individuals in developing countries are at a higher risk for developing the disorder. Seizures occur due to hyper-excitability and hyper-synchronization of neurons. Action potential transmits messages and it leads to depolarization. When neurons are uncontrollably depolarizes because of hyper-excitability due to too little inhibition, it cause a seizure. Seizures can last from a few seconds to a few minutes. As spontaneously they can develop is also as fast and spontaneous they can end.
Each of the types also present different clinically. There are two main types of epilepsy. The first type is generalized epilepsy and is not tied to a specific area of the brain, and the second is focal or partial epilepsy which begins in a certain lobe and highly developed areas. Generalized epilepsy is then further broken down into idiopathic and symptomatic. During idiopathic seizures the cause of the episode is unknown, and the brain is behaving normally between seizures. Whereas, during symptomatic seizures there is a known cause of the seizure which is due to a structural brain abnormality (“Pediatric Epilepsy & Seizures”,
Epilepsy, also called seizure disorder, chronic brain disorder that briefly interrupts the normal electrical activity of the brain to cause seizures, characterized by a variety of symptoms including uncontrolled movements of the body, disorientation or confusion, sudden fear, or loss of consciousness. Epilepsy may result from a head injury, stroke, brain tumor, lead poisoning, genetic conditions, or severe infections like meningitis or encephalitis. In over 70 percent of cases no cause for epilepsy were identified. About 1 percent of the world population, or over 2 million people, are diagnosed with epilepsy.
Epilepsy is a neurological condition marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain. It is the tendency to have seizures that start in the brain. The brain is made up of millions of nerve cells that use electrical signals to control the body’s functions, senses and thoughts. If the signals are disrupted, the person may have an epileptic seizure (sometimes called a ‘fit’ or ‘attack’). The brain is the center that controls and regulates all voluntary and involuntary responses in the body. It consists of nerve cells that normally communicate with each other through electrical activity. A seizure occurs when part(s) of the brain receives a burst of abnormal electrical signals that temporarily interrupts normal electrical brain function. Epilepsy varies greatly and affects everyone differently. Anyone can develop epilepsy, at any time of life. It happens in people of all ages, races and social classes.
Seizures arise from excess excitation or loss of inhibition of the neurons and fast spread of these impulses over the brain.