Memory retrieval in temporal lobe epilepsy is related to
functional segregation of the mesiotemporal structures

J 2021

Memory retrieval in temporal lobe epilepsy is related to functional segregation of the mesiotemporal structures

STRÝČEK, Ondřej, Martin LAMOŠ and Ivan REKTOR

Basic information

Original name

Memory retrieval in temporal lobe epilepsy is related to functional segregation of the mesiotemporal structures

Authors

STRÝČEK, Ondřej (203 Czech Republic, belonging to the institution), Martin LAMOŠ (203 Czech Republic, belonging to the institution) and Ivan REKTOR (203 Czech Republic, guarantor, belonging to the institution)

Edition

EPILEPSY & BEHAVIOR, SAN DIEGO, ACADEMIC PRESS INC ELSEVIER SCIENCE, 2021, 1525-5050

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

30103 Neurosciences

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

URL

Impact factor

Impact factor: 3.337

RIV identification code

RIV/00216224:14740/21:00120192

Organization unit

Central European Institute of Technology

DOI

http://dx.doi.org/10.1016/j.yebeh.2021.108196

UT WoS

000693182100013

Keywords in English

Temporal lobe epilepsy; High-density EEG; Functional connectivity; Memory network

Abstract

V originále

Objective: We analyzed the impact of temporal lobe epilepsy (TLE) with hippocampal sclerosis (HS) on functional connectivity (FC) between mesiotemporal structures. Functional connectivity modifications related to word retrieval were investigated. Methods: High-density EEG of 21 patients with TLE with HS (12 left TLE and 9 right TLE) and 10 healthy controls (HCs) were recorded during a verbal subsequent memory paradigm. Electroencephalography data were reconstructed into the source space and FC was calculated from the source activity of regions of interest. Results: A significant decrease in FC between the right-and left-sided mesiotemporal structures in TLE was observed. The decrease was significant only with words that were correctly recognized. The decrease in interhemispheric FC between mesiotemporal structures was found in the 8-to 20-Hz frequency range in both left and right TLE. Significance: The decreased FC between the mesiotemporal structures in TLE is a condition for successful performance of a memory retrieval task. The successful memory retrieval in TLE is related to functional segregation of lesional from nonlesional mesiotemporal structures. This decrease was absent in non successful responses. (c) 2021 Elsevier Inc. All rights reserved.

Links

NU21-04-00254, research and development project

Name: Detekce zóny počátku záchvatu u multi-lezionální epilepsie s užitím multimodálního neurozobrazování (Acronym: MultiEPI)

Investor: Ministry of Health of the CR, Detection of seizure onset zone in multi-lesional epilepsies using multimodal imaging methods, Subprogram 1 - standard

Citovat

STRÝČEK, Ondřej, Martin LAMOŠ and Ivan REKTOR. Memory retrieval in temporal lobe epilepsy is related to functional segregation of the mesiotemporal structures. EPILEPSY & BEHAVIOR. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE, 2021, vol. 122, SEP, p. 108196-108199. ISSN 1525-5050. Available from: https://dx.doi.org/10.1016/j.yebeh.2021.108196.

@article{1815817,
   author = {Strýček, Ondřej and Lamoš, Martin and Rektor, Ivan},
   article_location = {SAN DIEGO},
   article_number = {SEP},
   doi = {http://dx.doi.org/10.1016/j.yebeh.2021.108196},
   keywords = {Temporal lobe epilepsy; High-density EEG; Functional connectivity; Memory network},
   language = {eng},
   issn = {1525-5050},
   journal = {EPILEPSY & BEHAVIOR},
   title = {Memory retrieval in temporal lobe epilepsy is related to functional segregation of the mesiotemporal structures},
   url = {https://www.sciencedirect.com/science/article/pii/S1525505021004571?via%3Dihub},
   volume = {122},
   year = {2021}
}

TY  - JOUR
ID  - 1815817
AU  - Strýček, Ondřej - Lamoš, Martin - Rektor, Ivan
PY  - 2021
TI  - Memory retrieval in temporal lobe epilepsy is related to functional segregation of the mesiotemporal structures
JF  - EPILEPSY & BEHAVIOR
VL  - 122
IS  - SEP
SP  - 108196
EP  - 108196
PB  - ACADEMIC PRESS INC ELSEVIER SCIENCE
SN  - 15255050
KW  - Temporal lobe epilepsy
KW  - High-density EEG
KW  - Functional connectivity
KW  - Memory network
UR  - https://www.sciencedirect.com/science/article/pii/S1525505021004571?via%3Dihub
N2  - Objective: We analyzed the impact of temporal lobe epilepsy (TLE) with hippocampal sclerosis (HS) on functional connectivity (FC) between mesiotemporal structures. Functional connectivity modifications related to word retrieval were investigated. Methods: High-density EEG of 21 patients with TLE with HS (12 left TLE and 9 right TLE) and 10 healthy controls (HCs) were recorded during a verbal subsequent memory paradigm. Electroencephalography data were reconstructed into the source space and FC was calculated from the source activity of regions of interest. Results: A significant decrease in FC between the right-and left-sided mesiotemporal structures in TLE was observed. The decrease was significant only with words that were correctly recognized. The decrease in interhemispheric FC between mesiotemporal structures was found in the 8-to 20-Hz frequency range in both left and right TLE. Significance: The decreased FC between the mesiotemporal structures in TLE is a condition for successful performance of a memory retrieval task. The successful memory retrieval in TLE is related to functional segregation of lesional from nonlesional mesiotemporal structures. This decrease was absent in non successful responses. (c) 2021 Elsevier Inc. All rights reserved.
ER  -

STRÝČEK, Ondřej, Martin LAMOŠ and Ivan REKTOR. Memory retrieval in temporal lobe epilepsy is related to functional segregation of the mesiotemporal structures. \textit{EPILEPSY \&{}amp; BEHAVIOR}. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE, 2021, vol.~122, SEP, p.~108196-108199. ISSN~1525-5050. Available from: https://dx.doi.org/10.1016/j.yebeh.2021.108196.

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