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https://www.readbyqxmd.com/read/28711815/geschwind-syndrome-in-frontotemporal-lobar-degeneration-neuroanatomical-and-neuropsychological-features-over-9-years
#1
Laura Veronelli, Sara J Makaretz, Megan Quimby, Bradford C Dickerson, Jessica A Collins
Geschwind Syndrome, a characteristic behavioral syndrome frequently described in patients affected by temporal lobe epilepsy (TLE), consists of the following features: hyper-religiosity, hypergraphia, hyposexuality, and irritability. Here we report the 9-year-clinical course of a case of Geschwind Syndrome that developed as a first and salient clinical expression of right temporal lobe variant of frontotemporal lobar degeneration (FTLD). Only one patient affected by frontotemporal dementia has previously been shown to present with Geschwind Syndrome...
June 27, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28632521/verbal-and-figural-fluency-in-temporal-lobe-epilepsy-does-hippocampal-sclerosis-affect-performance
#2
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/28628538/memory-rehabilitation-strategies-in-nonsurgical-temporal-lobe-epilepsy-a-review
#3
Alessandra Del Felice, Marzia Alderighi, Matteo Martinato, Davide Grisafi, Anna Bosco, Pamela J Thompson, Josemir W Sander, Stefano Masiero
People with temporal lobe epilepsy (TLE) who have not undergone epilepsy surgery often complain of memory deficits. Cognitive rehabilitation is employed as a remedial intervention in clinical settings, but research is limited and findings concerning efficacy and the criteria for choosing different approaches have been inconsistent. We aimed to appraise existing evidence on memory rehabilitation in nonsurgical individuals with temporal lobe epilepsy and to ascertain the effectiveness of specific strategies. A scoping review was preferred given the heterogeneous nature of the interventions...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28622557/the-executive-profile-of-children-with-benign-epilepsy-of-childhood-with-centrotemporal-spikes-and-temporal-lobe-epilepsy
#4
Ellen M Lima, Patricia Rzezak, Catarina A Guimarães, Maria A Montenegro, Marilisa M Guerreiro, Kette D Valente
RATIONALE: Benign Epilepsy of Childhood with Centrotemporal Spikes (BECTS) and temporal lobe epilepsy (TLE) represent two distinct models of focal epilepsy of childhood. In both, there is evidence of executive dysfunction. The purpose of the present study was to identify particular deficits in the executive function that would distinguish children with BECTS from children with TLE. METHODS: We prospectively evaluated 19 consecutive children and adolescents with TLE with hippocampal sclerosis (HS) (57...
June 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28605629/analytic-information-processing-style-in-epilepsy-patients
#5
Marzia Buonfiglio, Francesco Di Sabato, Silvia Mandillo, Mariarita Albini, Carlo Di Bonaventura, Annateresa Giallonardo, Giuliano Avanzini
Relevant to the study of epileptogenesis is learning processing, given the pivotal role that neuroplasticity assumes in both mechanisms. Recently, evoked potential analyses showed a link between analytic cognitive style and altered neural excitability in both migraine and healthy subjects, regardless of cognitive impairment or psychological disorders. In this study we evaluated analytic/global and visual/auditory perceptual dimensions of cognitive style in patients with epilepsy. Twenty-five cryptogenic temporal lobe epilepsy (TLE) patients matched with 25 idiopathic generalized epilepsy (IGE) sufferers and 25 healthy volunteers were recruited and participated in three cognitive style tests: "Sternberg-Wagner Self-Assessment Inventory", the C...
June 9, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28491003/theta-rhythmopathy-as-a-cause-of-cognitive-disability-in-tle
#6
Tristan Shuman, Benjamin Amendolara, Peyman Golshani
Memory difficulties are commonly associated with temporal lobe epilepsy (TLE) and cause significant disability. This article reviews the role of altered hippocampal theta oscillations and theta-gamma coupling as potential causes of memory disturbance in temporal lobe epilepsy, dissecting the potential mechanisms underlying these changes in large-scale neuronal synchronization. We discuss development of treatments for cognitive dysfunction directed at restoring theta rhythmicity and future directions for research...
March 2017: Epilepsy Currents
https://www.readbyqxmd.com/read/28480502/enriched-environment-attenuates-behavioral-seizures%C3%A2-and-depression-in-chronic%C3%A2-temporal-lobe-epilepsy
#7
Marigowda Vrinda, Arun Sasidharan, Sahajan Aparna, Bettadapura N Srikumar, Bindu M Kutty, Byrathnahalli S Shankaranarayana Rao
OBJECTIVE: Temporal lobe epilepsy (TLE) is commonly associated with depression, anxiety, and cognitive impairment. Despite significant progress in our understanding of the pathophysiology of TLE, it remains the most common form of refractory epilepsy. Enriched environment (EE) has a beneficial effect in many neuropsychiatric disorders. However, the effect of EE on cognitive changes in chronic TLE has not been evaluated. Accordingly, the present study evaluated the effects of EE on chronic epilepsy-induced alterations in cognitive functions, electrophysiology, and cellular changes in the hippocampus...
May 8, 2017: Epilepsia
https://www.readbyqxmd.com/read/28472735/p38-mapk-pathway-mediates-cognitive-damage-in-pentylenetetrazole-induced-epilepsy-via-apoptosis-cascade
#8
Qi Huang, Xixia Liu, Yuan Wu, Yuhan Liao, Yiqing Huang, Xing Wei, Meigang Ma
OBJECTIVE: Our group has previously reported the role of P38 mitogen-activated protein kinase (MAPK) pathway in the memory impairment of pentylenetetrazole (PTZ)-kindled rats. However, any contribution of p38 MAPK pathways to the cognitive dysfunction of PTZ-kindled rats remains unclear. The objective of this study is to verify the relationship between p38 MAPK pathway and cognitive function of epileptic rats, and discuss probable mechanisms. METHODS: Thirty male SD rats were divided into three groups, namely, PTZ, inhibitor, and sham groups...
July 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28407524/age-at-surgery-as-a-predictor-of-cognitive-improvements-in-patients-with-drug-resistant-temporal-epilepsy
#9
Irene Cano-López, Juan Francisco Vázquez, Anabel Campos, Antonio Gutiérrez, Mercedes Garcés, Asier Gómez-Ibáñez, Rebeca Conde, Esperanza González-Bono, Vicente Villanueva
Temporal lobe epilepsy (TLE) surgery is an effective procedure that can produce cognitive changes. However, the prognostic factors related with cognitive outcomes need to be better understood. The aim of the present study is to know if age at surgery is a reliable predictor of verbal memory competence and considering factors such as: hemisphere; type of surgery; pre-surgical seizure frequency; and epilepsy duration. Sixty-one typically dominant patients with drug-resistant TLE (34 with left TLE [L-TLE] and 27 with right TLE [R-TLE]) underwent a neuropsychological assessment before and a year after surgery...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28407518/evaluating-executive-function-in-patients-with-temporal-lobe-epilepsy-using-the-frontal-assessment-battery
#10
Elmira Agah, Nasima Asgari-Rad, Mona Ahmadi, Abbas Tafakhori, Vajiheh Aghamollaii
Previous studies have demonstrated executive dysfunction in patients with temporal lobe epilepsy (TLE). Frontal assessment battery (FAB) is a short neuropsychological tool that was developed for assessment of frontal lobe function in a clinical setting. The aim of the present study is to evaluate the clinical utility of FAB for detection of executive dysfunction in TLE patients. Forty-eight TLE patients and 48 sex and age-matched healthy controls participated in this study. Compared to healthy participants, the total FAB score was significantly lower among the TLE patients...
April 5, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28217811/-quantitative-evaluation-of-inhibitory-effects-of-epileptic-spikes-on-theta-rhythms-in-the-network-of-hippocampal-ca3-and-entorhinal-cortex-in-patients-with-temporal-lobe-epilepsy
#11
Man-Ling Ge, Jun-Dan Guo, Sheng-Hua Chen, Ji-Chang Zhang, Xiao-Xuan Fu, Yu-Min Chen
Epileptic spike is an indicator of hyper-excitability and hyper-synchrony in the neural networks. The inhibitory effects of spikes on theta rhythms (4-8 Hz) might be helpful to understand the mechanism of epileptic damage on the cognitive functions. To quantitatively evaluate the inhibitory effects of spikes on theta rhythms, intracerebral electroencephalogram (EEG) recordings with both sporadic spikes (SSs) and spike-free transient period between adjacent spikes were selected in 4 patients in the status of rapid eyes movement (REM) sleep with temporal lobe epilepsy (TLE) under the pre-surgical monitoring...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28207604/memory-rehabilitation-strategies-in-nonsurgical-temporal-lobe-epilepsy-a-review
#12
Alessandra Del Felice, Marzia Alderighi, Matteo Martinato, Davide Grisafi, Anna Bosco, Pamela J Thompson, Josemir W Sander, Stefano Masiero
People with temporal lobe epilepsy (TLE) who have not undergone epilepsy surgery often complain of memory deficits. Cognitive rehabilitation is employed as a remedial intervention in clinical settings, but research is limited and findings concerning efficacy and the criteria for choosing different approaches have been inconsistent. We aimed to appraise existing evidence on memory rehabilitation in nonsurgical individuals with temporal lobe epilepsy and to ascertain the effectiveness of specific strategies. A scoping review was preferred given the heterogeneous nature of the interventions...
February 15, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28195438/from-rest-to-language-task-task-activation-selects-and-prunes-from-broader-resting-state-network
#13
Gaelle E Doucet, Xiaosong He, Michael R Sperling, Ashwini Sharan, Joseph I Tracy
Resting-state networks (RSNs) show spatial patterns generally consistent with networks revealed during cognitive tasks. However, the exact degree of overlap between these networks has not been clearly quantified. Such an investigation shows promise for decoding altered functional connectivity (FC) related to abnormal language functioning in clinical populations such as temporal lobe epilepsy (TLE). In this context, we investigated the network configurations during a language task and during resting state using FC...
February 14, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28138428/automated-tractography-in-patients-with-temporal-lobe-epilepsy-using-tracts-constrained-by-underlying-anatomy-tracula
#14
Barbara A K Kreilkamp, Bernd Weber, Mark P Richardson, Simon S Keller
PURPOSE: A detailed understanding of white matter tract alterations in patients with temporal lobe epilepsy (TLE) is important as it may provide useful information for likely side of seizure onset, cognitive impairment and postoperative prognosis. However, most diffusion-tensor imaging (DTI) studies have relied on manual reconstruction of tract bundles, despite the recent development of automated techniques. In the present study, we used an automated white matter tractography analysis approach to quantify temporal lobe white matter tract alterations in TLE and determine the relationships between tract alterations, the extent of hippocampal atrophy and the chronicity and severity of the disorder...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28131931/reading-in-children-with-temporal-lobe-epilepsy-a-systematic-review
#15
REVIEW
Suncica Lah, Anne Castles, Mary Lou Smith
OBJECTIVE: Children with epilepsy have higher rates of reading difficulties compared to the general population. Reading difficulties are associated with lower academic attainments, higher school drop-out rates, greater risk of unemployment, lower income, and poorer adjustment. We examined the literature dealing with reading in children with the most common type of focal epilepsy, temporal lobe epilepsy (TLE), in relation to: presence of reading difficulties, contributing factors, and efficacy of treatments for reading difficulties...
January 26, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28109987/mismatch-negativity-is-abnormal-but-not-lateralizing-in-temporal-lobe-epilepsy
#16
Lili Zhao, Dongmei An, Limei Mao, Xiangdong Tang, Li He, Dong Zhou
We investigated the changes of mismatch negativity (MMN) in patients with temporal lobe epilepsy (TLE) and explored the possible role of MMN in lateralizing their seizure focus. Thirty patients with TLE and thirty healthy controls were included. MMN was elicited in each subject. Patients with TLE were divided into three subgroups: unilateral left TLE; unilateral right TLE, and bilateral TLE. MMN amplitudes and latencies were compared between the patients with TLE and the control group, and also among the three subgroups of TLE, using repeated measures analyses of variance (ANOVA)...
January 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28104461/cxcr4-antagonist-amd3100-reverses-the-neurogenesis-promoted-by-enriched-environment-and-suppresses-long-term-seizure-activity-in-adult-rats-of-temporal-lobe-epilepsy
#17
Zhike Zhou, Tingting Liu, Xiaoyu Sun, Xiaopeng Mu, Gang Zhu, Ting Xiao, Mei Zhao, Chuansheng Zhao
It has been showed that enriched environment (EE) enhances the hippocampal neurogenesis and improves the cognitive impairments, accompanied by the increased expressions of stromal cell-derived factor-1 (SDF-1) in adult rats of temporal lobe epilepsy (TLE). We examined whether the enhanced neurogenesis and improved cognitive functions induced by EE following seizures were mediated by SDF-1/CXCR4 pathway. Therefore, we investigated the effects of the EE combined with CXCR4 antagonist AMD3100 on neurogenesis, cognitive functions and the long-term seizure activity in the TLE model...
January 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28089585/the-impact-of-intelligence-on-memory-and-executive-functions-of-children-with-temporal-lobe-epilepsy-methodological-concerns-with-clinical-relevance
#18
Patricia Rzezak, Catarina A Guimarães, Marilisa M Guerreiro, Kette D Valente
PURPOSE: Patients with TLE are prone to have lower IQ scores than healthy controls. Nevertheless, the impact of IQ differences is not usually considered in studies that compared the cognitive functioning of children with and without epilepsy. This study aimed to determine the effect of using IQ as a covariate on memory and attentional/executive functions of children with TLE. METHODS: Thirty-eight children and adolescents with TLE and 28 healthy controls paired as to age, gender, and sociodemographic factors were evaluated with a comprehensive neuropsychological battery for memory and executive functions...
May 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27942449/resting-state-functional-network-disruptions-in-a-kainic-acid-model-of-temporal-lobe-epilepsy
#19
Ravnoor Singh Gill, Seyed M Mirsattari, L Stan Leung
We studied the graph topological properties of brain networks derived from resting-state functional magnetic resonance imaging in a kainic acid induced model of temporal lobe epilepsy (TLE) in rats. Functional connectivity was determined by temporal correlation of the resting-state Blood Oxygen Level Dependent (BOLD) signals between two brain regions during 1.5% and 2% isoflurane, and analyzed as networks in epileptic and control rats. Graph theoretical analysis revealed a significant increase in functional connectivity between brain areas in epileptic than control rats, and the connected brain areas could be categorized as a limbic network and a default mode network (DMN)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27924527/cognitive-functioning-in-temporal-lobe-epilepsy-a-bold-fmri-study
#20
Lili Guo, Genji Bai, Hui Zhang, Daoyan Lu, Jiyong Zheng, Gang Xu
We aimed to analyze the association between resting-state functional magnetic resonance imaging (re-fMRI) and cognitive function (including language, executive, and memory functions) in temporal lobe epilepsy (TLE) patients, which will help to explore the mechanism of brain function in patients. 15 TLE patients and 15 non-TLE patients were recruited. All subjects underwent neuropsychological testing and memory functional evaluation. Changes in verbal intelligence quotient (VIQ), performance intelligence quotient (PIQ), full intelligence quotient (FIQ), and memory quotient (MQ) were compared between two groups...
December 6, 2016: Molecular Neurobiology
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