A Functional MRI Paradigm Suitable for Language and Memory Mapping in Pediatric Temporal Lobe Epilepsy.
TLE
fMRI
hippocampus
language
memory
pediatric
recall
Journal
Frontiers in neurology
ISSN: 1664-2295
Titre abrégé: Front Neurol
Pays: Switzerland
ID NLM: 101546899
Informations de publication
Date de publication:
2019
2019
Historique:
received:
31
07
2019
accepted:
16
12
2019
entrez:
31
1
2020
pubmed:
31
1
2020
medline:
31
1
2020
Statut:
epublish
Résumé
Functional Magnetic Resonance Imaging (fMRI) is a technique frequently used to determine the territories of eloquent tissue that serve critical functions, such as language. This can be particularly useful as part of the pre-surgical assessment for temporal lobe epilepsy (TLE) in order to predict cognitive outcome and guide surgical decision-making. Whereas language fMRI is widely used, memory fMRI is less frequently employed in adult TLE, and lacking in childhood TLE. We have developed a combined language/memory fMRI paradigm that is suitable for children, to provide clinically useful information for surgical planning in pediatric TLE. We evaluated this paradigm in 28 healthy children, aged 8 to 18 years. The advantages of this paradigm are: (a) it examines the functional mapping of language and memory networks within one scanning session, (b) provides assessment of both memory encoding- and retrieval-related neural networks, (c) examines recall-based retrieval to engage hippocampal involvement compared to recognition-based retrieval, and (d) provides overt verbal responses to monitor in-scanner memory performance. This novel fMRI paradigm was designed for language and memory mapping in pediatric TLE and could provide clinically useful information for surgical planning. Finally, parallel versions of the paradigm allow the comparison of brain activations pre- and post-surgical intervention.
Identifiants
pubmed: 31998226
doi: 10.3389/fneur.2019.01384
pmc: PMC6966885
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1384Subventions
Organisme : Medical Research Council
ID : G0300117
Pays : United Kingdom
Organisme : Medical Research Council
ID : G1002276
Pays : United Kingdom
Informations de copyright
Copyright © 2020 Buck, Bastos, Baldeweg and Vargha-Khadem.
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