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Mesial temporal lobe epilepsy and memory

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https://www.readbyqxmd.com/read/28632521/verbal-and-figural-fluency-in-temporal-lobe-epilepsy-does-hippocampal-sclerosis-affect-performance
#1
Ioannis Zalonis, Foteini Christidi, Artemios Artemiadis, Constantinos Psarros, George Papadopoulos, George Tsivgoulis, Stergios Gatzonis, Anna Siatouni, Georgios Velonakis, Efstratios Karavasilis, Evangelia Kararizou, Nikolaos Triantafyllou
BACKGROUND AND OBJECTIVES: Clinicians commonly use verbal and nonverbal measures to test fluency in patients with epilepsy, either during routine cognitive assessment or as part of pre- and postsurgical evaluation. We hypothesized that patients with mesial temporal lobe epilepsy (TLE) with hippocampal sclerosis would perform worse than patients with lateral TLE in both verbal and design fluency. METHODS: We assessed semantic, phonemic, and nonverbal fluency in 49 patients with TLE: 31 with lateral TLE and 18 with mesial TLE plus hippocampal sclerosis...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28626979/electro-clinical-criteria-and-surgical-outcome-is-there-a-difference-between-mesial-and-lesional-temporal-lobe-epilepsy
#2
M Wassenaar, F S S Leijten, G-J de Haan, S G Uijl, J W Sander
OBJECTIVES: Mesial temporal lobe epilepsy syndrome (MTLE) with specific electrophysiological and clinical characteristics and hippocampal sclerosis (HS) on MRI is considered the prototype of a syndrome with good surgical prognosis. Ictal onset zones in MTLE have been found to extend outside the hippocampus and neocortical seizures often involve mesial structures. It can, thus, be questioned whether MTLE with HS is different from lesional temporal epilepsies with respect to electro-clinical characteristics and surgical prognosis...
June 18, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28595352/neuropsychology-outcomes-following-trephine-epilepsy-surgery-the-inferior-temporal-gyrus-approach-for-amygdalohippocampectomy-in-medically-refractory-mesial-temporal-lobe-epilepsy
#3
Mike R Schoenberg, William E Clifton, Ryan W Sever, Fernando L Vale
BACKGROUND: Surgery is indicated in cases of mesial temporal lobe epilepsy(MTLE) that are refractory to medical management. The inferior temporal gyrus (ITG) approach provides access to the mesial temporal lobe (MTL) structures with minimal tissue disruption. Reported neuropsychology outcomes following this approach are limited. OBJECTIVE: To report neuropsychological outcomes using an ITG approach to amygdalohippocampectomy (AH) in patients with medically refractory MTLE based on a prospective design...
June 8, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28575764/gaze-matters-the-effect-of-gaze-direction-on-emotional-enhancement-of-memory-for-faces-in-patients-with-mesial-temporal-lobe-epilepsy
#4
Łukasz Okruszek, Aleksandra Bala, Marcela Dziekan, Marta Szantroch, Andrzej Rysz, Andrzej Marchel, Sylwia Hyniewska
PURPOSE: The aim of the study was to examine if gaze and emotional expression, both highly self-relevant social signals, affect the recollection accuracy of perceived faces in patients with mesial temporal lobe epilepsy (MTLE). METHODS: Forty patients with MTLE (twenty-one without surgery and nineteen after anterior temporal lobectomy) as well as twenty healthy controls (HC) took part in the study. We used a set of 64 facial stimuli: 32 neutral and 32 emotional displays (16 fearful; 16 angry) from well-established affective stimuli databases...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28566958/cognitive-outcome-after-surgery-in-patients-with-mesial-temporal-lobe-epilepsy
#5
Günay Gül, Demet Yandim Kuşcu, Mesude Özerden, Melek Kandemir, Fulya Eren, Bekir Tuğcu, Cahit Keskinkiliç, Nalan Kayrak, Dursun Kirbaş
INTRODUCTION: The aim of the present study was to evaluate the neuropsychological outcomes of patients with medically intractable unilateral mesial temporal lobe epilepsy (MTLE) due to hippocampal sclerosis (HS) treated either by anterior temporal lobectomy (ATL) or selective amygdalohippocampectomy (SAH). METHODS: This was a retrospective study where 67 patients who had undergone surgery for MTLE were evaluated. Thirty-two patients underwent ATL and 35 underwent SAH...
March 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28535289/comparison-of-the-computer-and-hand-administered-versions-of-the-brown-location-test-blt
#6
Franklin C Brown, Brian P O'Connor, Kristen M Vitelli, Matthew Heinly, Gary C Rommel, Robert N Davis
Objective: The Brown Location Test (BLT) was developed to remedy some of the problems in existing visual-based memory tests. The hand version has demonstrated good psychometric properties, the ability to provide lateralization information for mesial temporal lobe epilepsy patients, and has normative data. The purpose of this study was to compare the hand administered format to the more recently developed computer administered format. Methods: We used Generalizability Theory analyses to assess the degree of variability in scores across the hand and computer versions of the test, and across alternate test forms, A and B...
May 23, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28502691/long-term-seizure-quality-of-life-depression-and-verbal-memory-outcomes-in-a-controlled-mesial-temporal-lobe-epilepsy-surgical-series-using-portuguese-validated-instruments
#7
Luis Augusto Dias, Geisa de Angelis, Wagner Afonso Teixeira, Luiz Augusto Casulari
OBJECTIVE: We aimed to evaluate long-term surgical outcomes in patients treated for mesial temporal lobe epilepsy compared with a similar group of patients who underwent a preoperative evaluation. METHODS: Patient interviews were conducted by an independent neuropsychologist and included a sociodemographic questionnaire and validated versions of the Beck Depression Inventory-II, Adverse Events Profile, Quality of Life in Epilepsy-31, and Rey Auditory Verbal Learning Test...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28501875/five-year-neuropsychological-outcome-after-stereotactic-radiofrequency-amygdalohippocampectomy-for-mesial-temporal-lobe-epilepsy-longitudinal-study
#8
Lenka Krámská, Zdeněk Vojtěch, Jiří Lukavský, Michaela Stará, Hana Malíková
PURPOSE: To assess the neuropsychological performance recoded over a period of 5 years after stereotactic radiofrequency amygdalohippocampectomy (SAHE) in the treatment of mesial temporal lobe epilepsy. MATERIAL AND METHODS: Thirty patients (mean age 38 years, 14 females/16 males) were included in this study. Twenty-one patients were treated on the left side, 9 on the right. Patients underwent neuropsychological evaluation by the Wechsler Adult Intelligence Scale-Revised and the Wechsler Memory Scale-Revised preoperatively and 5 years after SAHE...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28433263/memory-assessment-in-patients-with-temporal-lobe-epilepsy-to-predict-memory-impairment-after-surgery-a-systematic-review
#9
P Parra-Díaz, N García-Casares
INTRODUCTION: Given that surgical treatment of refractory mesial temporal lobe epilepsy may cause memory impairment, determining which patients are eligible for surgery is essential. However, there is little agreement on which presurgical memory assessment methods are best able to predict memory outcome after surgery and identify those patients with a greater risk of surgery-induced memory decline. OBJECTIVE: We conducted a systematic literature review to determine which presurgical memory assessment methods best predict memory outcome...
April 19, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28362965/transsylvian-selective-amygdalohippocampectomy-for-mesiotemporal-epilepsy-experience-with-162-procedures
#10
Barbara Schmeiser, Kathrin Wagner, Andreas Schulze-Bonhage, Christian Erich Elger, Bernhard Jochen Steinhoff, Anne-Sophie Wendling, Irina Mader, Marco Prinz, Christian Scheiwe, Josef Zentner
BACKGROUND: Mesial temporal lobe epilepsy (MTLE) is one of the most common forms of epilepsy refractory to medical therapy. Among different surgical approaches, selective amygdalohippocampectomy has gained increasing interest for its rationale of isolated removal of the epileptogenic mesiotemporal area. OBJECTIVE: To summarize our experience with surgical treatment of MTLE in 162 patients using the transsylvian approach and to analyze possible effects of length of hippocampal resection and postoperative gliosis on seizure and cognitive outcome...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28352126/social-cognition-in-neuropsychiatric-populations-a-comparison-of-theory-of-mind-in-schizophrenia-and-mesial-temporal-lobe-epilepsy
#11
Łukasz Okruszek, Aleksandra Bala, Małgorzata Wordecha, Michał Jarkiewicz, Adam Wysokiński, Ewa Szczepocka, Aleksandra Piejka, Oliwia Zaborowska, Marta Szantroch, Andrzej Rysz, Andrzej Marchel
Social cognition deficits are observed both in patients with schizophrenia (SCZ) and in patients with mesial temporal lobe epilepsy (MTLE). This may be due to dysfunction of the amygdala network, which is a common feature of both diseases. In this study, SCZ (n = 48) or MTLE (n = 31) and healthy controls (HC, n = 47) completed assessments of mentalising (Reading Mind in the Eyes Test, RMET) and basic cognitive processing, e.g., working memory, executive functions and psychomotor speed (Trail-Making Test B and Digit Symbol)...
March 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28340432/reorganization-of-anterior-and-posterior-hippocampal-networks-associated-with-memory-performance-in-mesial-temporal-lobe-epilepsy
#12
Hong Li, Caihong Ji, Lujia Zhu, Peiyu Huang, Biao Jiang, Xiaojun Xu, Jianzhong Sun, Zhong Chen, Meiping Ding, Minming Zhang, Shuang Wang
OBJECTIVE: To investigate the pattern of functional demarcation of hippocampal network and its relationship with memory performance in mesial temporal lobe epilepsy (mTLE) with unilateral hippocampal sclerosis. METHODS: Resting state fMRI data were acquired from fifteen left mTLE patients, fourteen right mTLE patients and twenty healthy subjects. We explore the hippocampal-cortical alterations and corresponding inter-hemispheric functional connectivity (FC) across anterior and posterior hippocampal networks...
May 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28242475/importance-of-neuropsychological-and-clinical-features-to-predict-seizure-control-in-medically-treated-patients-with-mesial-temporal-epilepsy-and-hippocampal-sclerosis
#13
Laia Grau-López, Marta Jiménez, Jordi Ciurans, Cynthia Cáceres, Juan Luis Becerra
OBJECTIVE: It is not yet understood why seizures in certain patients with mesial temporal lobe epilepsy and hippocampal sclerosis (MTLE-HS) develop resistance to antiepileptic drugs (AEDs) while others achieve good seizure control with this treatment. We analyzed clinical and neuropsychological features associated with seizure control in patients with MTLE-HS who had not undergone resective surgery. METHODS: We enrolled 40 patients with medically treated MTLE-HS and retrospectively collected the following data from prospective databases: sex, febrile seizures, central nervous system infection, history of head trauma, cognitive impairment, psychiatric disturbances, history of status epilepticus, age at onset of epilepsy, aura, seizure type and frequency, electroencephalography abnormalities, HS side, AEDs, global cognitive status, and neuropsychological functions such as cognitive processing speed, attention and executive functions, verbal and visual memory, language, and visuospatial ability...
April 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28067149/navigation-assisted-trans-inferotemporal-cortex-selective-amygdalohippocampectomy-for-mesial-temporal-lobe-epilepsy-preserving-the-temporal-stem
#14
Haruhiko Kishima, Amami Kato, Satoru Oshino, Naoki Tani, Tomoyuki Maruo, Hui Ming Khoo, Takufumi Yanagisawa, Kotaro Edakawa, Maki Kobayashi, Masataka Tanaka, Koichi Hosomi, Masayuki Hirata, Toshiki Yoshimine
OBJECTIVE: Selective amygdalohippocampectomy (SAH) can be used to obtain satisfactory seizure control in patients with mesial temporal lobe epilepsy (MTLE). Several SAH procedures have been reported to achieve satisfactory outcomes for seizure control, but none yield fully satisfactory outcomes for memory function. We hypothesized that preserving the temporal stem might play an important role. To preserve the temporal stem, we developed a minimally invasive surgical procedure, 'neuronavigation-assisted trans-inferotemporal cortex SAH' (TITC-SAH)...
March 2017: Neurological Research
https://www.readbyqxmd.com/read/28017196/relationship-between-resting-state-functional-magnetic-resonance-imaging-and-memory-function-in-mesial-temporal-lobe-epilepsy
#15
Shenggen Chen, Lin Chen, Huapin Huang, Wanhui Lin
OBJECT: To study memory impairment mechanisms of the medial temporal lobe epilepsy (MTLE) by analyzing the functional connectivity (FC) through resting state functional magnetic resonance imaging (rs-fMRI). METHODS: Rs-fMRI data were acquired from 13 patients with left MTLE and 11 patients with right MTLE. Another 13 healthy volunteers were selected as controls. The altered FC pattern between the unilateral hippocampus and other regions of the brain in MTLE patients was compared to that of the normal control group...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28012164/verbal-memory-after-temporal-lobe-epilepsy-surgery-in-children-do-only-mesial-structures-matter
#16
Nicole Law, Mony Benifla, James Rutka, Mary Lou Smith
OBJECTIVE: Previous findings have been mixed regarding verbal memory outcome after left temporal lobectomy in children, and there are few studies comparing verbal memory change after lateral versus mesial temporal lobe resections. We compared verbal memory outcome associated with sparing or including the mesial structures in children who underwent left or right temporal lobe resection. We also investigated predictors of postsurgical verbal memory change. METHODS: We retrospectively assessed verbal memory change approximately 1 year after unilateral temporal lobe epilepsy surgery using a list learning task...
February 2017: Epilepsia
https://www.readbyqxmd.com/read/27955802/-transient-epileptic-amnesia
#17
REVIEW
Audrey-Anne Fouchard, Karl Mondon, Bertrand De Toffol
Transient epileptic amnesia (TEA) is a sub-type of mesial temporal lobe epilepsy, with amnesic seizures. TEA is characterized by recurrent episodes of amnesia. Diagnostic criteria are available for TEA, and these memory disturbances should not be misdiagnosed with transient global amnesia. The neuropsychological evaluation is normal, however, autobiographical memory impairment is present in 70% of the cases and accelerated long term forgetting in 44%. When a patient complains of memory disturbances, especially autobiographical memory, TEA must be considered especially if there was an amnesic episode and symptoms that suggest temporal epilepsia...
January 2017: La Presse Médicale
https://www.readbyqxmd.com/read/27816897/epileptic-networks-in-patients-with-bitemporal-epilepsy-the-role-of-seeg-for-the-selection-of-good-surgical-candidates
#18
REVIEW
L Di Vito, F Mauguière, H Catenoix, S Rheims, P Bourdillon, A Montavont, J Isnard
OBJECTIVE: In this study we investigated the electrical characteristics of seizures recorded by stereo-EEG (SEEG) in a cohort of patients with bitemporal lobe epilepsy (BTLE), in the attempt to verify the presence/absence of different seizure patterns and to identify good surgical candidates. METHODS: We retrospectively reviewed 14 consecutive patients with medically refractory BTLE confirmed by scalp video-EEG (VEEG) recording of bitemporal independent or non-lateralizing seizure onset...
December 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27756511/why-epilepsy-challenges-social-life
#19
REVIEW
Bettina K Steiger, Hennric Jokeit
Social bonds are at the center of our daily living and are an essential determinant of our quality of life. In people with epilepsy, numerous factors can impede cognitive and affective functions necessary for smooth social interactions. Psychological and psychiatric complications are common in epilepsy and may hinder the processing of social information. In addition, neuropsychological deficits such as slowed processing speed, memory loss or attentional difficulties may interfere with enjoyable reciprocity of social interactions...
January 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27736656/declarative-long-term-memory-and-the-mesial-temporal-lobe-insights-from-a-5-year-postsurgery-follow-up-study-on-refractory-temporal-lobe-epilepsy
#20
Gerardo Salvato, Pina Scarpa, Stefano Francione, Roberto Mai, Laura Tassi, Elisa Scarano, Giorgio Lo Russo, Gabriella Bottini
It is largely recognized that the mesial temporal lobe and its substructure support declarative long-term memory (LTM). So far, different theories have been suggested, and the organization of declarative verbal LTM in the brain is still a matter of debate. In the current study, we retrospectively selected 151 right-handed patients with temporal lobe epilepsy with and without hippocampal sclerosis, with a homogeneous (seizure-free) clinical outcome. We analyzed verbal memory performance within a normalized scores context, by means of prose recall and word paired-associate learning tasks...
November 2016: Epilepsy & Behavior: E&B
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