When left-hemisphere reading is compromised: Comparing reading ability in participants after left cerebral hemispherectomy and participants with developmental dyslexia

Summary

Objective

We investigated reading skills in individuals who have undergone left cerebral hemispherectomy and in readers with developmental dyslexia to understand diverse characteristics contributing to reading difficulty. Although dyslexia is a developmental disorder, left hemispherectomy requires that patients (re)establish the language process needed to perform the language-based tasks in the nondominant (right) hemisphere to become readers.

Methods

Participants with developmental dyslexia (DD; n = 11) and participants who had undergone left hemispherectomy (HEMI; n = 11) were matched on ...

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Hippocampal malrotation is an anatomic variant and has no clinical significance in MRI-negative temporal lobe epilepsy

Summary

Objective

There is considerable difficulty in diagnosing hippocampal malrotation (HIMAL), with different criteria of variable reliability. Here we assess qualitative and quantitative criteria in HIMAL diagnosis and explore the role of HIMAL in magnetic resonance imaging (MRI)–negative temporal lobe epilepsy (TLE).

Methods

We studied the MRI of 155 adult patients with MRI-negative TLE and 103 healthy volunteers, and we asked (1) what are the qualitative and quantitative features that allow a reliable diagnosis of HIMAL, (2) how common is ...

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Hippocampal malrotation is an anatomic variant and has no clinical significance in MRI-negative temporal lobe epilepsy

Summary

Objective

There is considerable difficulty in diagnosing hippocampal malrotation (HIMAL), with different criteria of variable reliability. Here we assess qualitative and quantitative criteria in HIMAL diagnosis and explore the role of HIMAL in magnetic resonance imaging (MRI)–negative temporal lobe epilepsy (TLE).

Methods

We studied the MRI of 155 adult patients with MRI-negative TLE and 103 healthy volunteers, and we asked (1) what are the qualitative and quantitative features that allow a reliable diagnosis of HIMAL, (2) how common is ...

Seguir leyendo →
0

Hippocampal malrotation is an anatomic variant and has no clinical significance in MRI-negative temporal lobe epilepsy

Summary

Objective

There is considerable difficulty in diagnosing hippocampal malrotation (HIMAL), with different criteria of variable reliability. Here we assess qualitative and quantitative criteria in HIMAL diagnosis and explore the role of HIMAL in magnetic resonance imaging (MRI)–negative temporal lobe epilepsy (TLE).

Methods

We studied the MRI of 155 adult patients with MRI-negative TLE and 103 healthy volunteers, and we asked (1) what are the qualitative and quantitative features that allow a reliable diagnosis of HIMAL, (2) how common is ...

Seguir leyendo →
0

Hippocampal malrotation is an anatomic variant and has no clinical significance in MRI-negative temporal lobe epilepsy

Summary

Objective

There is considerable difficulty in diagnosing hippocampal malrotation (HIMAL), with different criteria of variable reliability. Here we assess qualitative and quantitative criteria in HIMAL diagnosis and explore the role of HIMAL in magnetic resonance imaging (MRI)–negative temporal lobe epilepsy (TLE).

Methods

We studied the MRI of 155 adult patients with MRI-negative TLE and 103 healthy volunteers, and we asked (1) what are the qualitative and quantitative features that allow a reliable diagnosis of HIMAL, (2) how common is ...

Seguir leyendo →
0

A prospective study contrasting the psychiatric outcome in drug-resistant epilepsy between patients who underwent surgery and a control group

Summary

Objective

Psychiatric morbidity in drug-resistant epilepsy is frequent and has a negative influence on quality of life. Surgery is proven to be the best therapeutic alternative for treating seizures. However, it is inconclusive with the current evidence whether surgery, per se, is a risk factor or promotes amelioration of psychiatric disorders. Until now, most studies have been cross-sectional with small or heterogeneous groups. In addition, the few prospective studies did not have an identical control group. The present ...

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A prospective study contrasting the psychiatric outcome in drug-resistant epilepsy between patients who underwent surgery and a control group

Summary

Objective

Psychiatric morbidity in drug-resistant epilepsy is frequent and has a negative influence on quality of life. Surgery is proven to be the best therapeutic alternative for treating seizures. However, it is inconclusive with the current evidence whether surgery, per se, is a risk factor or promotes amelioration of psychiatric disorders. Until now, most studies have been cross-sectional with small or heterogeneous groups. In addition, the few prospective studies did not have an identical control group. The present ...

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A prospective study contrasting the psychiatric outcome in drug-resistant epilepsy between patients who underwent surgery and a control group

Summary

Objective

Psychiatric morbidity in drug-resistant epilepsy is frequent and has a negative influence on quality of life. Surgery is proven to be the best therapeutic alternative for treating seizures. However, it is inconclusive with the current evidence whether surgery, per se, is a risk factor or promotes amelioration of psychiatric disorders. Until now, most studies have been cross-sectional with small or heterogeneous groups. In addition, the few prospective studies did not have an identical control group. The present ...

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0

A prospective study contrasting the psychiatric outcome in drug-resistant epilepsy between patients who underwent surgery and a control group

Summary

Objective

Psychiatric morbidity in drug-resistant epilepsy is frequent and has a negative influence on quality of life. Surgery is proven to be the best therapeutic alternative for treating seizures. However, it is inconclusive with the current evidence whether surgery, per se, is a risk factor or promotes amelioration of psychiatric disorders. Until now, most studies have been cross-sectional with small or heterogeneous groups. In addition, the few prospective studies did not have an identical control group. The present ...

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Quantifying antiepileptic drug effects using intrinsic excitability measures

Summary

Pathologic increases in excitability levels of cortical tissue commonly underlie the initiation and spread of seizure activity in patients with epilepsy. By reducing the excitability levels in neural tissue, antiepileptic drug (AED) pharmacotherapy aims to reduce seizure severity and frequency. However, AEDs may also bring about adverse effects, which have been reported to increase with higher AED load. Measures that monitor the dose-dependent effects of AEDs on cortical tissue and quantify its excitability level are therefore of ...

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