Magnetoencephalography in presurgical evaluation of children with the Landau-Kleffner syndrome

Epilepsia

Volumn 40, Issue 3, 1999, Pages 326-335

  Paetau, Ritva ^a,b   Granström, Marja Liisa ^b   Blomstedt, Göran ^c   Jousmäki, Veikko ^a   Korkman, Marit ^b   Liukkonen, Elina ^b  

^a AALTO UNIVERSITY   (Finland)

^b HELSINKI UNIVERSITY CENTRAL HOSPITAL   (Finland)

^c HELSINKI UNIVERSITY CENTRAL HOSPITAL   (Finland)

Author keywords

Acquired epileptic aphasia of childhood; Auditory cortex; Magnetoencephalography; Multiple subpial transection; Sylvian fissure

Indexed keywords

CLONAZEPAM; ETHOSUXIMIDE; PREDNISONE; VALPROIC ACID; VIGABATRIN;

ARTICLE; AUDITORY CORTEX; CHILD; CLINICAL ARTICLE; DIAGNOSTIC ACCURACY; DIAGNOSTIC PROCEDURE; DIAGNOSTIC VALUE; ELECTROENCEPHALOGRAM; EPILEPTIC DISCHARGE; EPILEPTIC FOCUS; FEMALE; HUMAN; INTERMETHOD COMPARISON; LANDAU KLEFFNER SYNDROME; MAGNETOENCEPHALOGRAPHY; MALE; PREOPERATIVE EVALUATION; PRIORITY JOURNAL; SPIKE WAVE;

EID: 0032935365     PISSN: 00139580     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1528-1157.1999.tb00713.x     Document Type: Article

References (33)

1. Landau WM, Kleffner FR. Syndrome of acquired aphasia with convulsive disorder in children. Neurology 1957;7:523-30.
2. Beaumanoir A. The Landau-Kleffner syndrome. In: Roger J. Bureau M, Dravet C, Dreifuss FE, Perret A, Wolf P, eds. Epileptic syndromes in infancy, childhood and adolescence. 2nd ed. London: John Libbey, 1992:231-43.
3. Mantovani JF, Landau WM. Acquired aphasia with convulsive disorder: course and prognosis. Neurology 1980;30:524-9.
4. Deonna T, Peter C, Ziegler A-L. Adult follow-up of the acquired aphasia-epilepsy syndrome: report of 7 cases. Neuropediatrics 1989;20:132-8.
5. Patry G, Lyagoub S, Tassinari CA. Subclinical "electrical status epilepticus" induced by sleep in children. Arch Neurol 1971;24: 242-52.
6. Billard C, Autret A, Lucas B, et al. Are frequent spike-waves during non-REM sleep in relation with an acquired neuropsychological deficit in epileptic children? Neurophysiol Clin 1990;6: 439-53.
7. Shoumaker M, Bennet D, Bray P, Curless R. Clinical and EEG manifestations of an unusual aphasic syndrome in children. Neurology 1974;24:10-6.
8. Dulac O, Billard C, Arthuis M. Aspects électro-cliniques et évolutifs de l'épilepsie dans le syndrome aphasie-épilepsie. Arch Fr Pediatr 1984;40:299-308.
9. Lanzi G, Veggiotti P, Conte S, Partesana E, Resi C. A correlated fluctuation of language and EEG abnormalities in a case of the Landau-Kleffner syndrome. Brain Dev 1994;16:329-34.
10. Cole A, Andermann F, Taylor L, et al. The Landau-Kleffner syndrome of acquired epileptic aphasia: unusual clinical outcome, surgical experience, and absence of encephalitis. Neurology 1988; 38:31-8.
11. Morrell F, Whisler W, Smith M, et al. Landau-Kleffner syndrome: treatment with subpial intracortical transsection. Brain 1995;118: 1529-46.
12. Paetau R, Kajola M, Korkman M, Hämäläinen M, Granström M-L. Hari R. Landau-Kleffner syndrome: epileptic activity in the auditory cortex. Neuroreport 1991;2:201-4.
13. Paetau R. Sounds trigger spikes in the Landau-Kleffner syndrome. J Clin Neurophysiol 1994;11:231-41.
14. Lewine JD, Orrison WW Jr, Halliday A, et al. Magnetoencephalography: functional imaging in epilepsy. In: Cascino GD, Jack CR Jr, eds. Neuroimaging in epilepsy: principles and practice. Boston: Butterworth-Heinemann, 1995:193-208.
15. Williamson SJ, Kaufman L. Biomagnetism. J Magn Magn Mat 1981;22:129-202.
16. Hari R. Magnetoencephalography as a tool of clinical neurophysiology. In: Niedermeyer E. Lopes da Silva F, eds. Etectroencephalography: basic principles, clinical applications, and related fields. 3rd ed. Baltimore: Williams & Wilkins, 1993:1035-61.
17. Hämäläinen M, Hari R, Ilmoniemi RJ, Knuutila J, Lounasmaa OV. Magnetoencephalography - theory, instrumentation, and applications to noninvasive studies of the working human brain. Rev Mod Phys 1993;65:414-79.
18. Korkman M. A test profile approach in analysing cognitive disorders in children: experiences of the NEPSY. In: Tramontana MG, Hooper SR, eds. Advances in child neuropsychology, Vol 3. New York: Springer, 1995:84-116
19. Korkman M, Granström M-L, Appelqvist K, Lindahl E. Dissociation of auditory and phonemic discrimination in children with the Landau-Kleffner syndrome. JINS 1998;4:566-75.
20. Sharbrough F, Chatrian GE, Lesser RP, Lüders H, Nuwer M, Picton TW. American Electroencephalographic Society guidelines for standard electrode position nomenclature. J Clin Neurophysiol 1991;8:200-2.
21. Derbyshire AJ, Rempel B, Forbes A, Lambert EF. The effects of anaesthetics on action potentials in the cerebral cortex of the cat. Am J Physiol 1936;116:577-96.
22. Tesche CD, Uusitaki MA, Ilmoniemi RJ, Huotilainen M, Kajola M, Salonen O. Signal-space projections of MEG data characterize both distributed and well-localized neuronal sources. Electroencephalogr Clin Neuraphysiol 1995;95:189-200.
23. Uusitalo MA, Ilmoniemi RJ. Signal-space projection method for separating MEG or EEC into components. Med Biol Eng Comput 1997;35:135-40.
24. Merlet I, Paetau R, García-Larrea L, Uutela K. Granström M-L. Mauguière F. Apparent asynchrony between interictal electric and magnetic spikes. Neuroreport 1997;8:1071-5.
25. Scherg M, von Cramon D. Dipole source potentials of the auditory cortex in normal subjects and in patients with temporal lobe lesions. In: Grandori F, Hoke M, Romani GL, eds. Auditory evoked magnetic fields and electric potentials. Adv Audiol Vol 6. Basel: Karger, 1990:165-93.
26. Rintahaka P, Chugani H, Sankar R, Landau-Kleffner syndrome with continuous spikes and waves during slow-wave sleep. J Child Neurol 1995;10:127-33.
27. Maquet P, Hirsch E, Metz-Lutz N, et al. Regional cerebral glucose metabolism in children with deterioration of one or more cognitive functions and continuous spike-and-wave discharges during sleep. Brain 1995;118:1497-520.
28. da Silva EA, Chugani DC, Muzik O, Chugani HT. Landau-Kleffner syndrome: metabolic abnormalities in temporal lobe is a common feature. J Child Neurol 1997;12:489-95.
29. Rodriguez I, Niedermeyer E. The aphasia-epilepsy syndrome in children: electroencephalographic aspects. Clin Electroencephalogr 1982;13:23-35.
30. Morrell F, Lewine J. Magnetic source imaging in Landau-Kleffner syndrome (LKS) and in LKS look-alikes. Epilepsia 1995;36(suppl 4): 13.
31. Penfield W, Jasper H. Epilepsy and the functional anatomy of the human brain. Boston: Little, Brown and Company, 1954.
32. Ojemann G, Ojemann J, Lettich E, Berger M. Cortical language localization in left dominant hemisphere - an electrical stimulation mapping investigation in 117 patients. J Neurosurg 1989;71:316-26.
33. Morrell F. Varieties of human secondary epileptogenesis. J Clin Neurophysiol 1989;6:227-75.