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Photosensitive Epilepsy, 1st ed. 2019

Langue : Anglais

Coordonnateur : Kasteleijn-Nolst Trenité Dorothée

In epilepsy, the term photosensitivity is used both for a) epileptic seizures triggered by flashing or flickering light such as strobe lights, television, videogames, striped visual patterns and b) epileptiform discharges evoked by intermittent photic stimulation (IPS) during an EEG recording. Most patients with a clear history of visually induced seizures will show epileptiform EEG discharges during IPS, so-called photoparoxysmal responses (PPRs). As epileptiform discharges can be evoked in photosensitive patients at any time and repeatedly when awake, without triggering seizures, they can be considered a useful surrogate marker to determine necessity and efficacy of epilepsy treatment. With the increasing exposure of children adolescents to a variety of new potentially provocative visual stimuli, this book offers a detailed account of all aspects of photosensitive epilepsy, including genetic testing, functional imaging (fMRI, MEG), pharmacological studies, animal studies, classification based on the occurrence of PPRs in different epilepsy syndromes, as well as prevention and treatment options. In addition, the comorbidity and overlap between migraine and epilepsy will be discussed. The book provides EEG examples and a glossary and will serve as an easily accessible guide to photosensitive epilepsy for clinicians such as pediatricians, (pediatric) neurologists, epileptologists, (child) psychiatrists, clinical geneticists, neuropsychologists as well as for neuropharmacologists, occupational therapists and basic scientists.

Part I. Has Photosensitivity changed over the years?.- Epidemiology.- Provocative factors.- History and positioning within reflex epilepsies.- PartT II. Does Photosensitivity Matter; Clinical Relevance?.- Correlation EEG and clinic.- Prognosis.- Special syndromes.- Does Photosensitivity exist in focal epilepsy?.- Existence of Photosensitivity in various disease states. Headache, Brain tumor, Depression and Mania, Pain, Alzheimer, Autism, Posttraumatic conditions.- What can we learn from a photosensitive patient?.- PART III. Abnormal Electroencephalographic Response to Photic Stimulation.- How to interpret Photoparoxysmal EEG results? Sleep, NSD etc.- The basics: what constitutes a Photoparoxysmal Response? FMRI, MEG,TMS and PET-studies.- Is Photosensitivity a threshold phenomenon? Gamma-band etc.- What can we learn from photosensitivity in animals? Baboon, dog, cat, rat, mouse, zebrafish.- Is there a difference between kindled and genetically prone photosensitive animals and how relates that to humans?.- Part IV. The PPR: influence of age, sex and ethnicity.- Familiar and genetic differences in outcome.- Ethnical differences.- Gender differences? Hormonal influences.- Age differences? Dravet versus IGE etc.- Part V. How to Approach the Patient with Photosensitivity.- Optimizing the patient’s history: a modern approach to age-old life interviews.- Safety of EEG methodology in Photosensitivity.- Maximizing EEG methodology in Photosensitivity: do’s and don’ts.- Identification of geographic sites studying photosensitivity.- PART VI. Treatment and Management of Photosensitivity.- Treatment and prevention: when?.- Treatment and prevention: how?.- Seizure control to prevent anxiety for new seizures- psychosocial impact.- Impact of photosensitivity on psychology: are JME with and without PPR different, self-induction etc.- Use of Photosensitivity as trait: a biomarker for genetics.- Creative use of Photosensitivity: studies exploring new AED and other drug development.- How to inform architects and videogame producers about possible risks of certain visual stimuli?.- What the patient and parents/caregivers need to know.- Photosensitivity within the classification systems: past, present and future.- Appendix.

Dorothée Kasteleijn-Nolst Trenité, MD, PhD, works in the Department of Medical Genetics, University Medical Center Utrecht, the Netherlands and the Child Neurology Division, Department of Pediatrics, Sapienza University of Rome, Italy. Her work in Utrecht aims to help unravel epilepsy genetics, while in Rome she was given a Marie Curie Chair position within the FP6 EU research program. Dr. Kasteleijn trained extensively in epilepsy at the Epilepsy Centre “Meer en Bosch- de Cruquiushoeve” (now known as SEIN) and in video-EEG and the combination of pharmacology and EEG studies. Dr. Kasteleijn has practiced both child and adult neurology. She has done research on various topics in epilepsy (driving, neuropsychology, and neuropharmacology), but above all has been known for her work on photosensitivity since the publication of her thesis on this topic in 1989. She enjoys international collaboration and has (co-)organized many workshops, founded a European Consortium on Photosensitivity Genetics, and stimulated the development of EU guidelines. She is the author of very many peer-reviewed articles and book chapters and is regularly invited as a keynote speaker all over the world. She is an editor and reviewer for many journals in the field of Neurology. She has had many international PhD and Master’s students. One of her most consistent activities besides lecturing and publishing is raising awareness at the international level of the patient with epilepsy in general and photosensitive epilepsy in particular.

Provides a comprehensive overview of different aspects of photosensitive epilepsy in children, adolescents and adults

With contributions by international experts in the field

Includes case histories with EEG examples to illustrate clinical issues

Date de parution :

17.8x25.4 cm

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94,94 €

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