Evoked Potentials : Proceedings of an International Evoked Potentials Symposium Held in Nottingham, England

The past decade has seen great progress in the measurement of evoked potentials in man; a steady increase in our understanding of their charac­ teristics, their origins and their usefulness; and a growing application in the field of clinical diagnosis. The topic is a truly multidisciplinary one. Important research contributions have been made by workers of many different backgrounds and clinical applications span the specialities. This book represents a revised and updated version of the work originally presented at the international evoked potential symposium held in Nottingham 4-6 1978. The Nottingham Symposium provided a forum for a state-of-the-art discussion amongst workers from many different disciplines and from many different countries. For each major topic in the field an expert review set the scene for discussion of current research presentations. This format is retained in the book: the chapters in Part A provide the context in which the research presented in Part B is set. The task of selecting material for this book, from the wealth of interesting work presented at the Symposium, was undertaken by a selection committee of distinguished authors who were the chairmen for the specialized sessions. To Dr F. W. Campbell, Professor S. J. Crews, Mr W. P. R. Gibson, Professor G. F. A. Harding, Dr D. A. Jeffreys, Dr D. G. Small, Professor H. Spekreijse, Dr A. Starr, Dr A. R. D. Thornton and Professor L. H. van der Tweel, I record my thanks. Front Matter....Pages i-xx Front Matter....Pages 1-1 Evoked brain potentials: how far have we come since 1875?....Pages 3-18 Measurement of evoked potentials....Pages 19-41 The auditory evoked potentials (AEP)....Pages 43-54 Pattern evoked potentials: principles, methodology and phenomenology....Pages 55-74 Somatosensory and spinal evoked potentials....Pages 75-82 Front Matter....Pages 83-83 Design effects of video pattern generators on the visual evoked potential....Pages 87-92 Laser speckle cortical evoked responses (LASCERs)....Pages 93-99 Visually evoked potential triggered by saccadic eye movement and produced by an afterimage....Pages 101-107 A modified mean-addition process for EEG evoked potential observation....Pages 109-115 Quantification of the auditory evoked brainstem potential using a correlation procedure....Pages 117-121 Comparative frequency analysis of single EEG-evoked potential records....Pages 123-129 Measurement of evoked potentials during CNV task....Pages 131-135 Event-related desynchronization in parallel to VEPs....Pages 137-141 How to measure evoked EEG potentials for topography....Pages 143-146 The nature of pattern VEPs....Pages 149-157 Hypothesis concerning the most probable sites of origin of the various components of the pattern evoked potential....Pages 159-166 Cortical potentials evoked by pattern presentation in the foveal region....Pages 167-174 The effect of temporal stimulus parameters upon the VEP....Pages 175-181 Non-visual influence on clinically applied VEP....Pages 183-189 The human VEP and steady state psychophysical light adaptation functions....Pages 191-197 Front Matter....Pages 83-83 High temporal frequency visual evoked potentials to luminance and pattern stimulation in the peripheral retina....Pages 199-204 A comparison of occipital potentials evoked by pattern onset, offset and reversal by movement....Pages 205-212 The effect of various stimulus parameters on the lateralization of the VEP....Pages 213-218 Binocular interactions in the visual evoked potential using a modified synoptophore....Pages 219-232 VEP in neuro-ophthalmic disease....Pages 235-241 The response to pattern reversal in amblyopia....Pages 243-249 VEP and intraocular pressure....Pages 251-255 Ten years’ experience of ERG/VEP/EEG studies on visual disorders in paediatrics....Pages 257-266 The electroretinogram, visual evoked cortical potential and retinocortical activation time....Pages 267-278 Visual evoked potentials from quadrantic field stimulation in the investigation of homonymous field defects....Pages 279-283 Abnormalities of the pattern visual evoked potential in patients with homonymous visual field defects....Pages 285-298 Derived cochlear and brainstem evoked potentials....Pages 301-307 Early auditory evoked responses of the cat....Pages 309-312 Latencies of brainstem potentials and auditory thresholds....Pages 313-316 Inter-hemispheric and inter-aural differences in the human auditory evoked potential....Pages 317-324 Time shift evoked potentials (TSEPs)....Pages 325-327 Improvement of ERA by speech-specific stimulation and correction of amplitude and latency behaviour....Pages 329-336 Comparison of auditory cortical evoked potentials, brainstem evoked potentials and post-auricular myogenic potentials in normals and patients with known auditory defects....Pages 337-344 Clinical electrocochleography: the significance of the summating potential in Ménière’s disorder....Pages 347-352 Auditory evoked potentials in ageing and dementia....Pages 353-355 Front Matter....Pages 83-83 Extra-tympanic electrocochleography in clinical use....Pages 357-366 Brainstem auditory evoked potentials in chronic degenerative central nervous system disorders....Pages 367-375 Monitoring brainstem function during posterior fossa surgery with brainstem auditory evoked potentials....Pages 377-390 Detection and localization of brainstem lesions with auditory brainstem potentials....Pages 391-398 Effects of specific spinal cord lesions on cortical somatosensory evoked potentials in the non-anaesthetized rabbit....Pages 401-406 Origin of the N11 wave of the cervical somatosensory evoked potential (CSEP) in man....Pages 407-414 Short and long latency cortical potentials following trigeminal nerve stimulation in man....Pages 415-422 The influence of trans-and percutaneous electrical nerve stimulation on somatosensory evoked potentials (SEPs) in man....Pages 423-428 Determination of the distribution of conduction velocities in peripheral nerve trunks....Pages 429-433 Somatosensory evoked cortical potentials in peripheral nerve lesions....Pages 437-442 Somatosensory evoked potentials in traction lesions of the brachial plexus....Pages 443-448 Somatosensory evoked potentials in focal brain lesions....Pages 449-454 Clinical application of segmental somatosensory evoked potentials (SEP) — experience in patients with non-space occupying lesions....Pages 455-464 Comparative study of early and late somatosensory evoked potentials in patients with hemiplegia and/or hemianaesthesia....Pages 465-474 The high amplitude somatosensory evoked potential in progressive myoclonic epilepsy. Its relationship with the myoclonus-related cortical spike....Pages 475-480 Evoked potentials and signal detection: the influence of slow potentials....Pages 483-489 Temporal uncertainty and the recovery function of the auditory EP....Pages 491-495 Late positive component (LPC) during semantic information processing in Kanji and Kana words....Pages 497-503 Contingent negative variation (CNV) and extraversion in a psychiatric population....Pages 505-514 Slow cerebral potentials in a ‘go-no go’ avoidance situation: a study on special hospital patients....Pages 515-523 Front Matter....Pages 83-83 Cortical EP, blood flow and potassium changes in experimental ischaemia....Pages 527-530 Event-related potential changes with morphine in non-addicted humans....Pages 531-534 The use of event-related slow potentials of the brain as an objective method to study the effects of centrally acting drugs....Pages 535-538 The effect of sodium valproate on the photosensitive VEP....Pages 539-547 Correlations between visual evoked potentials and psychopathological findings in schizophrenic patients under treatment with various psychopharmacological drugs....Pages 549-556 The contribution of visual and somatosensory evoked potentials and quantitative electro-oculography in the diagnosis of multiple sclerosis....Pages 559-565 Pattern-reversal visual evoked potentials after unilateral optic neuritis....Pages 567-574 Visual evoked potentials during provoked visual impairment in multiple sclerosis....Pages 575-579 Brainstem auditory evoked potentials on individuals with multiple sclerosis....Pages 581-586 Brainstem auditory evoked potentials and blink reflex in quiescent multiple sclerosis....Pages 587-591 An approach to diagnosis of multiple sclerosis with cerebral evoked potentials (visual, auditory, somatosensory)....Pages 593-603 Back Matter....Pages 605-614