Neurofunctional components of simple calculation: A magnetoencephalography study (*) corresponding author)

Salillas, Elena (Universidad de Zaragoza) ; Piccione, Francesco ; Di Tomaso, Silvia ; Zago, Sara ; Arcara, Giorgio ; Semenza, Carlo

Resumen: Our ability to calculate implies more than the sole retrieval of the correct solution. Essential processes for simple calculation are related to the spreading of activation through arithmetic memory networks. There is behavioral and electrophysiological evidence for these mechanisms. Their brain location is, however, still uncertain. Here, we measured magnetoencephalographic brain activity during the verification of simple multiplication problems. Following the operands, the solutions to verify could be preactivated correct solutions, preactivated table-related incorrect solutions, or unrelated incorrect solutions. Brain source estimation, based on these event-related fields, revealed 3 main brain networks involved in simple calculation: 1) bilateral inferior frontal areas mainly activated in response to correct, matching solutions; 2) a left-lateralized frontoparietal network activated in response to incorrect table-related solutions; and (3) a strikingly similar frontoparietal network in the opposite hemisphere activated in response to unrelated solutions. Directional functional connectivity analyses revealed a bidirectional causal loop between left parietal and frontal areas for table-related solutions, with frontal areas explaining the resolution of arithmetic competition behaviorally. Hence, this study isolated at least 3 neurofunctional networks orchestrated between hemispheres during calculation.

Idioma: Inglés

DOI: 10.1093/cercor/bhaa283

Año: 2021

Publicado en: CEREBRAL CORTEX 31, 2 (2021), 1162 - 1162
ISSN: 1047-3211

Factor impacto JCR: 4.861 (2021)

Categ. JCR: NEUROSCIENCES rank: 96 / 275 = 0.349 (2021) - Q2 - T2

Factor impacto CITESCORE: 8.7 - Neuroscience (Q1)

Factor impacto SCIMAGO: 2.07 - Cognitive Neuroscience (Q1) - Cellular and Molecular Neuroscience (Q1)

Financiación: info:eu-repo/grantAgreement/EC/H2020/793071/EU/Re-Mapping the Numerical Brain/Re-MAPMATH

Tipo y forma: Artículo (PostPrint)

Área (Departamento): Área Psicología Básica (Dpto. Psicología y Sociología)