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Topic: Gelastic epilepsy


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In the News (Tue 29 Dec 09)

  
  Growing Up with Epilepsy - Glossary (G-J)
Gelastic epilepsy is a type of epilepsy characterized by inappropriate laughter known as laughing seizures, though people with gelastic epilepsy may also experience other seizure types.
Approximately 65 to 70 percent of epilepsy cases are idiopathic.
Juvenile myoclonic epilepsy (JME) is an epilepsy syndrome that typically begins in late childhood or early adolescence.
www.massgeneral.org /childhoodepilepsy/glossary/glossary3.htm   (1072 words)

  
 International League Against Epilepsy
The interictal and ictal EEGs are unspecific in gelastic seizures.
Gelastic seizures are known to occur in the following syndromes and diseases: hypothalamic hamartoma, frontal lobe epilepsy, temporal lobe epilepsy, epileptic encephalopathy, precocious puberty (Gulati et al 2002), and autistic spectrum disorders.
Hypothalamic hamartoma with skeletal malformations, gelastic epilepsy and precocious puberty.
www.ilae-epilepsy.org /Visitors/Centre/ctf/gelastic.cfm   (2097 words)

  
 Epilepsy Action: Landau Kleffner Syndrome
Gelastic epilepsy refers to a type of epilepsy, in which the seizures are 'gelastic', gelastikos being the Greek word for laughter.
If the child has gelastic seizures and precocious puberty (which means that they go into puberty very early, usually under 10 years of age), then it is likely that the child will be found to have a hypothalamic hamartoma (a hamartoma in the hypothalamus part of the brain).
It is common for older children who have gelastic epilepsy caused by a hypothalamic hamartoma, to also have learning and behavioural problems and these usually get worse in the mid to late teenage years.
www.epilepsy.org.uk /info/gelastic.html   (924 words)

  
  Gelastic Seizures   (Site not responding. Last check: 2007-10-06)
Gelastic seizures have been observed to be associated with many different conditions: mainly hypothalamic hamartomas, but also as a seizure manifestation in connection with temporal and frontal lobe lesions as well as other focalities.
The interictal and ictal EEGs are unspecific in gelastic seizures.
Cascino and colleagues retrospectively studied 12 patients with gelastic seizures and hypothalamic hamartoma, in which material intracranial EEG recordings performed in 8 patients indicated focal onset of seizures in the anterior temporal lobe in 7 and frontal lobe in 1 (Cascino et al 1993).
www.epilepsy.org /ctf/gelastic.html   (1503 words)

  
 Gelastic Seizures
Gelastic seizures have been observed to be associated with many different conditions: mainly hypothalamic hamartomas, but also as a seizure manifestation in connection with temporal and frontal lobe lesions as well as other focalities.
Cascino and colleagues retrospectively studied 12 patients with gelastic seizures and hypothalamic hamartoma, in which material intracranial EEG recordings performed in 8 patients indicated focal onset of seizures in the anterior temporal lobe in 7 and frontal lobe in 1 (Cascino et al 1993).
The prognosis of gelastic seizures originating from frontal, temporal, or other regions of the brain is dependent of the underlying pathology; these usually have a better outcome than in connection with a hypothalamic origin.
www.ilae-epilepsy.org /ctf/gelastic.html   (1503 words)

  
 October issue.indd
The basic tenet of epilepsy surgery is to remove or disconnect the part of the brain which is generating the epilepsy, ie the epileptogenic cortex.
Epilepsy surgery is being increasingly performed in the infant for structural lesions and intractable focal epilepsy.
Hypothalamic hamartomas cause intractable gelastic epilepsy, precocious puberty and behavioural disturbance.
www.rcsed.ac.uk /journal/vol47_5/47500001.html   (4011 words)

  
 Medical Articles   (Site not responding. Last check: 2007-10-06)
Gelastic epilepsy, or laughing seizures, is a rare seizure manifestation often associated with hypothalamic hamartoma.
Gelastic epilepsy is an uncommon phenomenon and it is particularly uncommon in adults.
Gelastic seizures are the hallmark of the epilepsy syndrome associated with hypothalamic hamartomas.
www.hhugs.com /medicalarticles.htm   (14703 words)

  
 Indian Pediatrics - Editorial   (Site not responding. Last check: 2007-10-06)
Gelastic epilepsy is characterized by episodes of loud, hollow, mirthless, stereo-typed, forced laughter(1).
In view of gelastic seizures along with signs of hypothalamic endocrine dysfunction as obesity and precocious puberty patient was referred to neurosurgery for resection of hamartoma.
Gelastic seizures, precocious puberty and hypothalamic hamartoma Neurology 1985; 35:1180-1183.
www.indianpediatrics.net /may2006/may-454-455.htm   (570 words)

  
 Hamartoma of the hypothalamus and tuber cinereum : a brief review of the literature. Sharma RR J Postgrad Med
The characteristic presenting clinical features, [11],[12],[13],[14],[19],[23],[24],[26],[28],[29],[31],[36],[39],[42],[43],[44],[47],[49],[64],[66],[70],[71],[72],[74] both endocrinological and neurological, are as follows: (1) iso-sexual precocious puberty of central origin (this is the commonest presentation), (2) seizure disorders, gelastic epilepsy and partial complex seizures; (3) mental changes, intellectual and behavioural disorders.
Gelastic epilepsy is common with large tumours; and compression of mamillary region by these may initiate specific seizures.
Although the attacks of laughter might be confused with behavioural or emotional disorders, the diagnosis of gelastic epilepsy can be based on their stereotyped recurrences, the absence of any precipitating factor and other manifestations of epilepsy (generalized, myoclonic, temporal lobe and psychomotor seizures), and no other obvious cause for the pathological laughter.
www.jpgmonline.com /article.asp?issn=0022-3859;year=1987;volume=33;issue=1;spage=1;epage=13;aulast=Sharma   (5185 words)

  
 Gelastic Neurology
Gelastic is a term used to refer to a certain type of epilepsyor epileptic seizure.
The seizures of gelastic epilepsy are characterized by spells of involuntary laughter.
Gelastic epilepsy often results from a developmental abnormality of the brain known as hypothalamic hamartoma.
www.lumrix.com /medical/neurology/gelastic.html   (99 words)

  
 Paroxysmal Motor Events
Gelastic epilepsy is a rare and peculiar type of convulsion associated with hypothalamic hamartomas in neonates.
The clinical manifestations of an event of gelastic epilepsy consist of a burst of hyperpnea, followed by repeated cooing, giggling, and smiling (laughing seizures).
In one patient with gelastic seizures, an ictal single photon emission computed tomography demonstrated increased uptake in the area of the tumor, whereas the interictal single photon emission computed tomography did not.
pediatricneuro.com /alfonso/pg9.htm   (325 words)

  
 Pathological laughter as heralding manifestation of left middle cerebral artery territory infarct : case report and ...
In patients with 'gelastic seizures', the laughter is inappropriate, stereotyped and not precipitated by either a specific or non-specific stimulus.
In addition to gelastic epilepsy associated with hypothalamic hamartomas gelastic seizures have also been associated with diseases of temporal lobe and mesial frontal lobe.
Arroyo et al,[8] in electrical stimulation studies, in patients with gelastic epilepsy demonstrated possible role of cingulate and basal temporal cortex in laughter and mirth in humans.
www.neurologyindia.com /article.asp?issn=0028-3886;year=2000;volume=48;issue=4;spage=388;epage=90;aulast=Garg   (1603 words)

  
 Gelastic Seizures In An Infant Without Hypothalamic Hamartoma
Gelastic epilepsy or "laughing" seizures are most frequently associated with hypothalamic hamartomas in children and adults.
Hypothalamic hamartoma and epilepsy: the pathway of discovery.
McConachie, NS and King, MD. Gelastic seizures in abbb child with focal cortical dysplasia of the cingulate gyrus.
www.ispub.com /ostia/index.php?xmlFilePath=journals/ijn/vol3n2/gelastic.xml   (905 words)

  
 Seizure Types - POKWE UK
Gelastic seizures are brief outbursts of emotion, usually in the form of a laugh or a cry.
Gelastic seizures are both unpredictable and unprovoked by the person's surroundings.
The majority of people with nocturnal seizures have idiopathic epilepsy and there is evidence that sleep enhances epileptic discharges in the EEG, though their daytime recordings may appear to be normal.
www.pokweuk.org /index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=7&MMN_position=20:20   (3764 words)

  
 What is the cause of Gelastic epilepsy? How is it treated and what is the prognosis?
Stereo-EEG recordings from hypothalamic hamartoma, neighbouring hypothalamic structures and other bilateral cortical areas have shown that gelastic seizures are linked to ictal discharges localised in the hamartoma, whereas surface registrations have failed to define an epileptogenic cortical area.
In hypothalamic hamartoma, the gelastic seizures appear rather benign in infancy, but the seizure panorama subsequently becomes more complicated with additional generalised seizures and seizure intractability.
Hypothalamic hamartomas causing gelastic epilepsy: Two cases and a review of the literature.
www.attract.wales.nhs.uk /question_answers.cfm?question_id=773   (683 words)

  
 Epilepsies, Partial Terms and Definitions at www.MedicalGlossary.org
Epilepsy, Frontal Lobe - A localization-related (focal) form of epilepsy characterized by seizures which arise in the frontal lobe.
Epilepsy, Partial, Motor - A disorder characterized by recurrent localized paroxysmal discharges of cerebral neurons that give rise to seizures that have motor manifestations.
Epilepsy, Temporal Lobe - A localization-related (focal) form of epilepsy characterized by recurrent seizures that arise from foci within the temporal lobe, most commonly from its mesial aspect.
www.medicalglossary.org /epilepsy_epilepsies_partial_definitions.html   (737 words)

  
 E-epilepsy - Published papers and epilepsy news
Suicide in the epilepsies: A meta-analytic investigation of 29 cohorts.
Epilepsy in young adults with autism: a prospective population-based follow-up study of 120 individuals diagnosed in childhood.
Speech-induced aphasic seizures in epilepsy caused by LGI1 mutation.
www.e-epilepsy.org.uk /pages/news/jun05.cfm   (1113 words)

  
 A note on gelastic epilepsy.
Epilepsy Research Today is a free monthly online journal that collates and summarizes the latest research about Epilepsy, including details on symptoms, causes, treatment, drugs, information.
Laughter epilepsy or gelastic seizures have been described in various epilepsies arising from the temporal or frontal lobes, but most commonly from hypothalamic hamartomata.
Gelastic seizures also arise from temporal and frontal lobe tumours and atrophic lesions.
epilepsy.researchtoday.net /archive/1/4/1402.htm   (132 words)

  
 Refractory Epilepsy : Epilepsy.com
These findings show that epilepsy during childhood is significantly associated with redistribution of language function in the developing brain to compensate for injury to traditionally left dominant language areas.
Epilepsy is a condition of the brain in which the balance between the millions of nerve cells (neuron) is disturbed.
Gelastic epilepsy (GE) is a rare but often severe epileptic syndrome characterized by recurrent brief seizures, with initial laughter or grimacing, sometimes followed by more disabling partial or generalized seizures.
www.epilepsy.com /epilepsy/EA_refractory_epilepsy.html   (12299 words)

  
 Barrow receives a $382,869 grant from the National Institutes of Health
Wu and his colleagues will study the neurons from the tumors to understand why HH causes gelastic seizures in patients.
Scientists at Barrow have spent more than three years studying tissues from hamartoma tumors and have found that most of the cells within the tissue are unique neurons that act like pacemakers with firing characteristics.
This provides a foundation for the hospital to develop new strategies to improve the treatment and control of gelastic epilepsy.
www.eurekalert.org /pub_releases/2006-09/sjha-bra091106.php   (252 words)

  
 Surgery : Epilepsy.com
This case showed that it is possible to have both an epilepsy related to a HH and another type of epilepsy in the same patient.
Occipital lobe epilepsy is a relatively rare epilepsy syndrome in which seizures originate from the occipital lobe (posterior pole of brain).
In a child with epilepsy in whom kinetic or static perimetry was impossible, VEP were recorded, and compared with the peak latency and amplitude in the healthy subjects.
www.epilepsy.com /epilepsy/EA_surgery.html   (4175 words)

  
 E-epilepsy - Published papers and epilepsy news: February 2004
Influence of sympathetic autonomic arousal on cortical arousal: implications for a therapeutic behavioural intervention in epilepsy.
Effect of interstitial stereotactic radiosurgery on behavior and subjective handicap of epilepsy in patients with gelastic epilepsy.
Resective surgery for intractable focal epilepsy in patients with low IQ: predictors for seizure control and outcome with respect to seizures and neuropsychological and psychosocial functioning.
www.e-epilepsy.org.uk /pages/news/feb04.cfm   (1076 words)

  
 HYPOTHALMIC HAMARTOMA: Contact a Family - for families with disabled children: information on rare syndromes and ...
HH is associated with a number of features including difficult epilepsy, particularly gelastic (laughing) seizures, behavioural problems and precocious (early) puberty.
Gelastic seizures are a rare type of seizure characterised by highly distinctive episodes of laughter.
Gelastic seizures may progress to complex partial seizures, tonic, atonic or generalized tonic-clonic seizures.
www.cafamily.org.uk /Direct/h62.html   (811 words)

  
 [No title]   (Site not responding. Last check: 2007-10-06)
Gelastic seizure with hypothalamic hamartoma: proton magnetic resonance spectrometry and ictal electroencephalographic findings in a 4-year-old girl.
Gelastic seizure is a rare symptom often associated with hypothalamic hamartoma.
Moreover, this abnormal function of the hamartoma tissue might be closely related to epileptogenesis because the time difference between the ictal laughter and the subsequent EEG changes in the ictal EEG does not support the idea that the activated cortex is the epileptogenic focus.
members.aol.com /shujiinsapporo/englishpapers.html   (2593 words)

  
 MR Imaging and Spectroscopic Study of Epileptogenic Hypothalamic Hamartomas: Analysis of 72 Cases -- Freeman et al. 25 ...
and intractable epilepsy, a stereotactic lesion of one mammillothalamic
The role of the hypothalamic hamartoma in the genesis of gelastic and dacrystic seizures.
Gelastic seizures and hypothalamic hamartomas: evaluation of patients undergoing chronic intracranial EEG monitoring and outcome of surgical treatment.
www.ajnr.org /cgi/content/full/25/3/450   (6399 words)

  
 Article References
Breningstall GN: Gelastic seizures, precocious puberty, and hypothalamic hamartoma.
Cascino GD, Andermann F, Berkovic SF: Gelastic seizures and hypothalamic hamartomas: evaluation of patients undergoing chronic intracranial EEG monitoring and outcome of surgical treatment.
Kuzniecky R, Guthrie B, Mountz J: Hypothalamic hamartomas and gelastic seizures: evidence for subcortical seizure generation by ictal SPECT and cerebral stimulation.
www.thejns-net.org /jns/issues/v91n5/ref/n0910881_ref.html   (636 words)

  
 MEDLINE_1966-1995 - Resultado página 1
Good results without morbidity were achieved with surgical resectioning in two patients with large hamartomas associated with behavioral abnormalities and gelastic epilepsy that was unresponsive to conventional medical treatment and in one patient with visual impairment.
We propose a classification of the hypothalamic hamartomas based on topographical and clinical data obtained from 36 selected cases in the literature and six of our own cases.
We conclude that the surgical approach is a realistic alternative in certain cases, including large and broad-based Type llb hamartomas associated with gelastic epilepsy and behavioral disorders.
www.bireme.br /cgi-bin/wxislind.exe/iah/online/?IsisScript=iah/iah.xis&nextAction=lnk&base=MEDLINE_1966-1995&exprSearch=8084405&indexSearch=UI&lang=p   (217 words)

  
 eMJA: Surgery for epilepsy
A prerequisite for successful surgery for epilepsy is the precise definition of a discrete seizure focus involving an area of cortex amenable to safe excision.
A small group of patients with hypothalamic hamartomas leading to the syndrome of gelastic ("laughing") epilepsy may now be treated successfully surgically using an image-guided technique via the third ventricle.
Mortality and major morbidity after surgery for epilepsy are nowadays low: mortality is less than 0.5% and hemiparesis and hemianopia occur in less than 2% of cases.
www.mja.com.au /public/issues/176_09_060502/fab10114_fm.html   (1121 words)

  
 Gelastic epilepsy possibly following antirabies vaccine. Malhotra S, Fernandes P, Ghosh D - Indian Journal of Medical ...
A case of child with gelastic epilepsy following administration of antirabies vaccine is presented.
No associated structural brain could be identified in the patient.
Possibility of relationship between antirables vaccine and gelastic epilepsy is discussed.
www.indianjmedsci.org /article.asp?issn=0019-5359;year=2000;volume=54;issue=4;spage=140;epage=4;aulast=Malhotra;type=0   (47 words)

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