DOLEŽALOVÁ, Irena, S. SCHACHTER, Jan CHRASTINA, Jan HEMZA, Markéta HERMANOVÁ, Ivan REKTOR, Marta PAŽOURKOVÁ and Milan BRÁZDIL. Atypical handedness in mesial temporal lobe epilepsy. EPILEPSY & BEHAVIOR. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE, vol. 72, JUL 2017, p. 78-81. ISSN 1525-5050. doi:10.1016/j.yebeh.2017.01.034. 2017.
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Basic information
Original name Atypical handedness in mesial temporal lobe epilepsy
Authors DOLEŽALOVÁ, Irena (203 Czech Republic, guarantor, belonging to the institution), S. SCHACHTER (840 United States of America), Jan CHRASTINA (203 Czech Republic, belonging to the institution), Jan HEMZA (203 Czech Republic, belonging to the institution), Markéta HERMANOVÁ (203 Czech Republic, belonging to the institution), Ivan REKTOR (203 Czech Republic, belonging to the institution), Marta PAŽOURKOVÁ (203 Czech Republic, belonging to the institution) and Milan BRÁZDIL (203 Czech Republic, belonging to the institution).
Edition EPILEPSY & BEHAVIOR, SAN DIEGO, ACADEMIC PRESS INC ELSEVIER SCIENCE, 2017, 1525-5050.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30103 Neurosciences
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 2.600
RIV identification code RIV/00216224:14110/17:00099039
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1016/j.yebeh.2017.01.034
UT WoS 000406321300014
Keywords in English Mesial temporal lobe epilepsy; Handedness; Left-handed; Right-handed; Age at epilepsy onset; Atypical dominance
Tags EL OK, podil
Tags International impact, Reviewed
Changed by Changed by: Soňa Böhmová, učo 232884. Changed: 12/3/2018 15:29.
Abstract
Objective: The main aim of our study was to investigate the handedness of patients with mesial temporal lobe epilepsy (MTLE). We also sought to identify clinical variables that correlated with left-handedness in this population. Methods: Handedness (laterality quotient) was assessed in 73 consecutive patients with MTLE associated with unilateral hippocampal sclerosis (HS) using the Edinburgh Handedness Inventory. Associations between rightand left-handedness and clinical variables were investigated. Results: We found that 54 (74.0%) patients were right-handed, and 19 (26%) patients were left-handed. There were 15 (36.6%) left-handed patients with left-sided seizure onset compared to 4 (12.5%) left-handed patients with right-sided seizure onset (p = 0.030). Among patients with left-sided MTLE, age at epilepsy onset was significantly correlated with handedness (8 years of age [median; min-max 0.5-17] in left-handers versus 15 years of age [median; min-max 3-30] in right-handers (p < 0.001). Conclusions: Left-sided MTLE is associatedwith atypical handedness, especiallywhen seizure onset occurs during an active period of brain development, suggesting a bi-hemispheric neuroplastic process for establishing motor dominance in patients with early-onset left-sided MTLE. (C) 2017 Elsevier Inc. All rights reserved.
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