- Title Pages
- Preface
- Contributors
- Abbreviations
- Chapter 1 Introduction
- Part 1 History
- Chapter 2 Memory before and after H.M.: an impressionistic historical perspective
- Chapter 3 Memory disorders and epilepsy during the nineteenth century
- Part 2 Overviews of memory and epilepsy
- Chapter 4 Interictal memory disturbance: a comparative phenomenology and epidemiology of memory impairment in epilepsies
- Chapter 5 Long-term follow-up of memory in patients with epilepsy
- Chapter 6 Memory in children with epilepsy
- Part 3 Ictal and interictal memory phenomena
- Chapter 7 <i>Déjà</i> experiences in epilepsy: contributions from memory research
- Chapter 8 The syndrome of transient epileptic amnesia
- Chapter 9 Effects of epileptiform EEG discharges on cognitive function
- Part 4 Assessment
- Chapter 10 Neuropsychological assessment of memory in patients with epilepsy
- Chapter 11 Memory assessment in intracarotid anaesthetic procedures: history and current status
- Chapter 12 Epilepsy and the study of spatial memory using virtual reality
- Part 5 Remote memory and psychiatric disorders
- Chapter 13 Remote memory and temporal lobe epilepsy
- Chapter 14 Electroconvulsive therapy for depression and autobiographical memory
- Chapter 15 Psychiatric aspects of memory disorders in epilepsy
- Part 6 Imaging and event-related potentials (ERPs)
- Chapter 16 Structural imaging and neuropathological correlates of memory in epilepsy
- Chapter 17 Functional imaging of memory in epilepsy
- Chapter 18 Electrophysiological studies of memory in epilepsy
- Part 7 Intracranial stimulation and recording
- Chapter 19 Memory and epilepsy in nonhuman animals
- Chapter 20 Hippocampal electrical stimulation and localisation of long-term episodic memory
- Chapter 21 Interrelationships between epilepsy, sleep, and memory
- Chapter 22 Mapping memories in the medial temporal lobe: contributions from single-neuron recordings in patients with epilepsy
- Part 8 Management and outcome
- Chapter 23 Anticonvulsants and memory
- Chapter 24 Effects of amygdalohippocampectomy versus corticoamygdalohippocampectomy on memory and nonmemory cognitive functions
- Chapter 25 Memory rehabilitation for people with epilepsy
- Author index
- Subject index
Functional imaging of memory in epilepsy
Functional imaging of memory in epilepsy
- Chapter:
- (p.306) Chapter 17 Functional imaging of memory in epilepsy
- Source:
- Epilepsy and Memory
- Author(s):
Lars Frings
Kathrin Wagner
- Publisher:
- Oxford University Press
Previous studies on declarative memory function in epilepsy using functional magnetic resonance imaging (fMRI) have primarily pursued two aims: the localization or lateralization of the seizure focus and the reorganization of declarative memory functions; and the pre-surgical prediction of memory outcome after surgical resection within the temporal lobe (TL). It has been demonstrated that medial temporal lobe (MTL) activation patterns differ between left- and right-sided MTL epilepsy patients, which in turn can be differentiated from healthy control subjects. It has further been shown that the functional integrity of the ipsilesional as well as the contralesional MTL can contribute to the prediction of memory outcome after surgery. Recently, the evaluation of alterations of MTL connectivity patterns, as assessed with fMRI, has gained some attention. It has been demonstrated that circumscribed brain damage, like hippocampal sclerosis, may exert effects on functionally connected but remote regions. However, in contrast to pre-surgical language fMRI, memory fMRI in most centres has not been established as a standard pre-surgical diagnostic tool. This chapter argues in favour of further development of the technique and considers memory fMRI to be potentially informative, especially regarding pre-operative prediction of memory outcome and, therefore, patient counselling.
Keywords: functional magnetic resonance imaging, fMRI, memory functions, medial temporal lobe
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- Title Pages
- Preface
- Contributors
- Abbreviations
- Chapter 1 Introduction
- Part 1 History
- Chapter 2 Memory before and after H.M.: an impressionistic historical perspective
- Chapter 3 Memory disorders and epilepsy during the nineteenth century
- Part 2 Overviews of memory and epilepsy
- Chapter 4 Interictal memory disturbance: a comparative phenomenology and epidemiology of memory impairment in epilepsies
- Chapter 5 Long-term follow-up of memory in patients with epilepsy
- Chapter 6 Memory in children with epilepsy
- Part 3 Ictal and interictal memory phenomena
- Chapter 7 <i>Déjà</i> experiences in epilepsy: contributions from memory research
- Chapter 8 The syndrome of transient epileptic amnesia
- Chapter 9 Effects of epileptiform EEG discharges on cognitive function
- Part 4 Assessment
- Chapter 10 Neuropsychological assessment of memory in patients with epilepsy
- Chapter 11 Memory assessment in intracarotid anaesthetic procedures: history and current status
- Chapter 12 Epilepsy and the study of spatial memory using virtual reality
- Part 5 Remote memory and psychiatric disorders
- Chapter 13 Remote memory and temporal lobe epilepsy
- Chapter 14 Electroconvulsive therapy for depression and autobiographical memory
- Chapter 15 Psychiatric aspects of memory disorders in epilepsy
- Part 6 Imaging and event-related potentials (ERPs)
- Chapter 16 Structural imaging and neuropathological correlates of memory in epilepsy
- Chapter 17 Functional imaging of memory in epilepsy
- Chapter 18 Electrophysiological studies of memory in epilepsy
- Part 7 Intracranial stimulation and recording
- Chapter 19 Memory and epilepsy in nonhuman animals
- Chapter 20 Hippocampal electrical stimulation and localisation of long-term episodic memory
- Chapter 21 Interrelationships between epilepsy, sleep, and memory
- Chapter 22 Mapping memories in the medial temporal lobe: contributions from single-neuron recordings in patients with epilepsy
- Part 8 Management and outcome
- Chapter 23 Anticonvulsants and memory
- Chapter 24 Effects of amygdalohippocampectomy versus corticoamygdalohippocampectomy on memory and nonmemory cognitive functions
- Chapter 25 Memory rehabilitation for people with epilepsy
- Author index
- Subject index