Localization of seizure foci: Pitfalls and caveats

Journal of Clinical Neurophysiology

Volumn 8, Issue 4, 1991, Pages 414-431

  Jayakar, Prasanna ^a   Duchowny, Michael ^a   Resnick, Trevor J ^a   Alvarez, Luis A ^a  

^a MIAMI CHILDREN'S HOSPITAL   (United States)

Author keywords

Caveats; Localization; Pitfalls; Seizure focus

Indexed keywords

ELECTROENCEPHALOGRAPHY; EPILEPTIC FOCUS; HUMAN; REVIEW; SEIZURE;

BRAIN; BRAIN MAPPING; COMPUTER SIMULATION; ELECTROENCEPHALOGRAPHY; EPILEPSY; HUMAN; MEMBRANE POTENTIALS; MODELS, NEUROLOGICAL; MODELS, THEORETICAL; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 0026054649     PISSN: 07360258     EISSN: 15371603     Source Type: Journal    
DOI: 10.1097/00004691-199110000-00006     Document Type: Article

References (74)

1. Adrian ED, Matthews BHC, The Berger rhythm: potential changes from the occipital lobes in man. Brain 1934;57:355–85.
2. Ajmone-Marsan C. Electrocorticography. In: Remond A. ed. Handbook of electroencephalography and clinical neurophysiology. Amsterdam: Elsevier Scientific. 1973;10C: 1–49.
3. Ajmone-Marsan C. Clinical-electrographic correlations of partial seizures. In: Wada JA. ed. Modern perspectives in epilepsy. Montreal: Eden Press. 1978:76–98.
4. Ajmone-Marsan C, Van Buren JM. Epileptiform activity in cortical and subcortical structures in the temporal lobe of man. In: Baldwin M, Bailey P. eds. Temporal lobe epilepsy. Springfield. IL: Thomas. 1958:78–108.
5. Altman KD, Shewmon DA. Local paroxysmal fast activity: significance interictally and in patients with infantile spasms. Epilepsia 1990;31:623.
6. American Electroencephalographic Society. Guidelines for standard electrode position nomenclature. J Clin Neurophysiol 1991;8:200–2.
7. Babb TL, Wilson CL, Isokawa-Akesson M. Firing patterns of human limbic neurons during stereoencephalography (SEEG) and clinical temporal lobe seizures. Electroencephalogr Clin Neurophvsiol 1987;66:467–82.
8. Barth DS, Baumgartner C, Sutherling WW. Neuromagnetic field modeling of multiple brain regions producing interictal spikes in human epilepsy. Electroencephalogr Clin Neurophvsiol 1989;73:389–402.
9. Binnie CD, Dekker E, Smit A, Van der Linden G. Practical considerations in the positioning of EEG electrodes. Electroencephalogr Clin Neurophysiol 1982;53:453–8.
10. Cahan L, Sutherling W, McCullough M, Rausch R, Engel J, Crandall P. Review of the 20-year UCLA experience with surgery for epilepsy. Cleve Clin Q 1984;51:313–8.
11. Cherlow DG, Dymond AM, Crandall PH, Walter RD, Serafetinides EA. Evoked response and after-discharge thresholds to electrical stimulation in temporal lobe epileptics. Arch Neurol 1977;34:527–31.
12. Chugani HT, Shields DW, Shewmon DA, Olson DM, Phelps ME, Peacock WJ. Infantile spasms: I. PET identifies focal cortical dysgenesis in cryptogenic cases for surgical treatment. Ann Neurol 1990;27:406–13.
13. Chung MY, Walczak TS, Lewis DV, Dawson DV, Radtke R. Temporal lobectomy and independent bitemporal interictal activity: what degree of lateralization is sufficient? Epilepsia 1991;32:195–201.
14. Cohen D, Cuffin BN, Yunokuchi K, et al. MEG versus EEG localization test using implanted sources in the human brain. Ann Neurol 1990;28:811–7.
15. Cooper R, Winter AL, Crow HJ, Walter WG. Comparison of sub-cortical, cortical and scalp activity using chronically indwelling electrodes in man. Electroencephalogr Clin Neurophvsiol 1965;18:217–28.
16. Cuffin BN. Effects of head shape on EEGs and MEGs. IEEE Trans Biomed Eng 1990;37:44–52.
17. Delgado-Escueta A, Walsh G. The selection process for surgery of intractable complex partial seizures: surface EEG and depth electrography. In: Ward A, Penry JK, Purpura D. eds. Epilepsy. New York: Raven Press. 1983:295–326.
18. Engel J Jr, ed. Surgical treatment of the epilepsies. New York: Raven Press. 1987.
19. Engel J Jr. Functional explorations of the human epileptic brain and their therapeutic implications. Electroencephalogr Clin Neuwphysiol 1990;76:296–316.
20. Engel J Jr, Crandall PH. Falsely localizing ictal onset with depth EEG telemetry during anticonvulsant withdrawal. Epilepsia 1983;24:344–55.
21. Engel J Jr, Rausch R, Lieb JP. Kühl DE, Crandall PH. Correlations of criteria used for localizing epileptic foci in patients considered for surgical therapy of epilepsy. Ann Neurol 1981;9:215–24.
22. Feindel W, Penfield W. Localization of discharge in temporal lobe automatism. Arch Neurol Psychiatry 1954;72:602–30.
23. Gloor P. Application of volume conduction principles to montage design. Am J EEG Technol 1977;17:5–20.
24. Gloor P. Electroencephalography and the role of intracerebral depth electrode recordings in the selection of patients for surgical treatment of epilepsy. In: Porter RJ, Mattson R, Ward AA, Dam M. eds. Advances in epileptology. XVth Epi-lepsv International Symposium. New York: Raven Press. 1984:433–7.
25. Gloor P. Neuronal generators and the problem of localization in electroencephalography: application of volume conductor theory to electroencephalography. J Clin Neurophvsiol 1985;2:327–54.
26. Gloor P. Commentary. Approaches to localization of the epilep-togenic lesion. In: Engel J Jr, ed. Surgical treatment of the epilepsies. New York: Raven Press. 1987:97–100.
27. Gloor P, Olivier A, Ives J. Prolonged seizure monitoring with stereotaxically implanted depth electrodes in patients with bilateral interictal temporal epileptic foci: how bilateral is bitemporal epilepsy? In: Wada JA, Penry JK. eds. Advances in epileptologv: Xth Epilepsy International Symposium. New York: Raven Press. 1980:83–8.
28. Goldman D. The clinical use of the “average” electrode in mono-polar recording. Electroencephalogr Clin Neurophvsiol 1950;2:211–4.
29. Gonzalez Andino SL, Pascual RD, Valdes PA, et al. Brain electrical field measurements unaffected by linked earlobes reference. Electroencephalogr Clin Neurophvsiol 1990;75:155–60.
30. Gotman J. Measurement of small time differences between EEG channels: method and application to epileptic seizure propagation. Electroencephalogr Clin Neurophysiol 1983;56:501–14.
31. Gotman J, Gloor P, Quesney L, Olivier A. Correlations between EEG changes induced by diazepam and the localization of epileptic spikes and seizures. Electroencephalogr Clin Neurophysiol 1982;54:614–21.
32. Gregory DL, Wong PKH. Clinical and EEG features of “Tripole” spike discharges in children. Epilepsia 1986;27:605.
33. Henderson CJ, Butler SR, Glass A. The localization of equivalent dipoles of EEG sources by the application of electrical field theory. Elearoencephalogr Clin Neurophysiol 1975;39:117–30.
34. Hjorth B. An on-line transformation of EEG scalp potentials into orthogonal source derivations. Electroencephalogr Clin Neurophysiol 1975;39:526–30.
35. ILAE. Commission on classification and terminology. Proposal for revised classification of epilepsies and epileptic syndromes. Epilepsia 1989;30:389–99.
36. Jayakar P, Duchowny MS, Resnick TJ, Alvarez LA. Multipole spike configurations in subdural and depth recordings. J Clin Neurophysiol 1989;6:347.
37. Jayakar P, Duchowny MS, Resnick TJ, Alvarez LA. Pitfalls in localizing seizure foci using source derivation recordings. Proceedings of the American EEG Society meeting. Houston. 1990a.
38. Jayakar P, Duchowny MS, Resnick TJ, Alvarez LA. Localization of epileptogenic foci using a simple reference-subtraction montage to detect small interchannel time differences. J Clin Neurophysiol 1991;8:212–5.
39. Jayakar P, Duchowny MS, Resnick TJ, Alvarez LA, Sassower K. Clinical significance of unilateral accentuated photic driving. Proceedings of the American EEG Society meeting. Houston. 1990b.
40. Kaibara M, Blume WT. The postictal electroencephalogram. Electroencephalogr Clin Neurophysiol 1988;70:99–104.
41. Klee M, Rail W. Computed potentials of cortically arranged populations of neurons. J Neurophysiol 1977;40:647–66.
42. Lesser RP, Lüders H, Dinner DS, Morris H. An introduction to the basic concepts of polarity and localization. J Clin Neurophysiol 1985a;2:45–62.
43. Lesser RP, Lüders H, Klein G, Dinner D, Morris H, Hahn J. Cortical afterdischarge and functional response thresholds: results of extra-operative testing. Epilepsia 1985b;25:615–21.
44. Lesser RP, Lüders H, Morris HH, Dinner DS, Wyllie E. Commentary: extracranial EEG evaluation. In: Engel J Jr, ed. Surgical treatment of the epilepsies. New York: Raven Press. 1987:173–9.
45. Lieb JP, Joseph JP, Engel J Jr, Walker J, Crandall PH. Sleep state and seizure foci related to depth spike activity in patients with temporal lobe epilepsy. Electroencephalogr Clin Neurophvsiol 1980;49:538–57.
46. Lieb JP, Walsh GO, Babb TL, Walter RD, Crandall PH. A comparison of EEG seizure patterns recorded with surface and depth electrodes in patients with temporal lobe epilepsy. Epilepsia 1976;17:137–60.
47. Lombroso CT, Duffy DH. Brain electrical activity mapping in the epilepsies. In: Akimoto H, Kazamatsurim H, Seino M, Ward AA. eds. Advances in epileptology. XIIIth Epilepsy International Symposium. New York: Raven Press. 1982:173–9.
48. Lüders H, Lesser RP, Dinner DS, et al. Commentary: chronic intracranial recording and stimulation with subdural electrodes. In: Engel J Jr, ed. Surgical treatment of the epilepsies. New York: Raven Press. 1987:297–321.
49. Ludwig BI, Ajmone-Marsan C. Clinical ictal patterns in epileptic patients with occipital electroencephalographic foci. Neurology 1975a;25:463–71.
50. Ludwig BI, Ajmone-Marsan C. EEG changes after withdrawal of medication in epileptic patients. Electroencephalogr Clin Neurophysiol 1975b;39:173–81.
51. Magnus O. On the technique of localization by electroencephalography. Electroencephalogr Clin Neurophysiol 1961;Suppl 13:1–35.
52. Marciani MG, Gotman J. Effects of drug withdrawal on location of seizure onset. Epilepsia 1986;27:423–31.
53. Montplaisir J, Laverdiere M, Saint-Hilaire JM. Sleep and focal epilepsy: contribution of depth recording. In: Sterman M, Passouant P. eds. Sleep and epilepsv. New York: Academic Press. 1982:301–14.
54. Montplaisir J, Laverdiere M, Saint-Hilaire JM. Sleep and epilepsy. In: Gotman J, Ives J, Gloor P. eds. Long-term monitoring in epilepsv. Amsterdam: Elsevier Science Publishers BV (Biomedical Division). 1985:215–39.
55. Morris HH III, Lüders H, Lesser RP, Dinner DS, Klem GH. The value of closely spaced scalp electrodes in the localization of epileptiform foci: a study of 26 patients with complex partial seizures. Electroencephalogr Clin Neurophvsiol 1986;63:107–11.
56. Nunez PL. Electric fields of the brain. The neurophysics of EEG. New York: Oxford University Press. 1981.
57. Nunez PL. The brain’s magnetic field: some effects of multiple sources on localization methods. Electroencephalogr Clin Neurophysiol 1986;63:75–82.
58. Nuwer MR, Quantitative EEG, I. Techniques and problems of frequency analysis and topographic mapping. J Clin Neurophysiol 1988a;5:1–43.
59. Nuwer MR. Frequency analysis and topographic mapping of EEG and evoked potentials in epilepsy. Electroencephalogr Clin Neurophysiol 1988b;69:118–26.
60. Ojemann GA. Engel J Jr. Acute and chronic intracranial recording and stimulation. In: Engel J Jr, ed. Surgical treatment of the epilepsies. New York: Raven Press. 1987:263–88.
61. Olivier A, Gloor P, Andermann F, Ives J. Occipitotemporal epilepsy studied with stereotaxically implanted depth electrodes and successfully treated by temporal resection. Ann Neurol 1982;11:428–32.
62. Osselton JW. Bipolar, unipolar and average reference recording methods. I. Mainly theoretical considerations. Am J EEG Technol 1966;5:53–64.
63. Osselton JW. Bipolar, unipolar and average reference recording methods. II. Mainly practical considerations. Am J EEG Technol 1969;9:117–33.
64. Panet-Raymond D, Gotman J. Asymmetry in delta activity in patients with focal epilepsy. Electroencephalogr Clin Neurophysiol 1990a;75:474–81.
65. Panet-Raymond D, Gotman J. Can slow waves in the electrocor-ticogram (EGoG) help localize epileptic foci? Electroencephalogr Clin Neurophysiol 1990b;75:464–73.
66. Quesney LF, Gloor P. Localization of epileptic foci. In: Gotman J, Ives JR, Gloor P. eds. Long-term monitoring in epilepsy. Amsterdam: Elsevier Science Publishers. BV (Biomedical Division). 1985:165–200.
67. Quesney LF, Katsarkas A, Gloor P, Andermann F. Contribution of nasoethmoidal electrode recording in the electrographic exploration of frontal and temporal lobe epilepsy. In: Porter RJ, Mattson RH, Ward AA, Dam M. Advances in epileptology. XIIth Epilepsy International Symposium. New York: Raven Press. 1981;293–304.
68. Rossi GF. Problems of analysis and interpretation of electro-cerebral signals in human epilepsy. A neurosurgeon’s view. In: Brazier MAB. ed. Epilepsv, its phenomena in man. New York: Academic Press. 1973:259–85.
69. Sammaritano M, de Lobtiniere A, Andermann F, Olivier A, Gloor P, Quesney LF. False lateralization by surface EEG of seizure onset in patients with temporal lobe epilepsy and focal cerebral lesions. Epilepsia 1984;25:664.
70. Sammaritano M, Gigli GL, Gotman J. Interietai spiking during wakefulness and sleep and the localization of foci in temporal lobe epilepsy. Neurology 1991;41:290–7.
71. Sharbrough FW. Commentary: extracranial EEG evaluation. In: Engel J Jr, ed. Surgical treatment of the epilepsies. New York: Raven Press. 1987:167–71.
72. Sharbrough FW, Busacker NE, Hirschorn KA, Cascino GD, Kelly PJ, Marsh WR. Computer-assisted detection of time delays consistent with spike propagation from an epileptic lesion to distant cortical locations. J Clin Neurophysiol 1989;6:337.
73. Spencer S, Spencer D, Williamson P, Mattson R. The localizing value of depth electroencephalography in 32 patients with refractory epilepsy. Ann Neurol 1982;12:248–53.
74. Wieser HG, Bancaud J, Talairach J, Bonis A, Szikla G. Comparative value of spontaneous and chemically and electrically induced seizures in establishing the lateralization of temporal lobe seizures. Epilepsia 1979;20:47–60.