J
Jorge Bernal
Researcher at University of Tarapacá
Publications - 68
Citations - 1693
Jorge Bernal is an academic researcher from University of Tarapacá. The author has contributed to research in topics: Bessel function & Classical limit. The author has an hindex of 21, co-authored 67 publications receiving 1524 citations. Previous affiliations of Jorge Bernal include Autonomous University of Sinaloa & Universidad Juárez Autónoma de Tabasco.
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EEG delta activity: an indicator of attention to internal processing during performance of mental tasks
Thalía Harmony,Thalía Fernández,Juan Silva,Jorge Bernal,Lourdes Díaz-Comas,Alfonso Reyes,Erzsébet Marosi,Mario H. Rodriguez,Miguel Rodríguez +8 more
TL;DR: A narrow band analysis is made to detect those EEG frequencies that change selectively during the performance of a mental task that requires attention to internal processing.
Journal ArticleDOI
EEG activation patterns during the performance of tasks involving different components of mental calculation
Thalía Fernández,Thalía Harmony,Mario E. Rodriguez,Jorge Bernal,Juan Silva,Alfonso Reyes,Erzsébet Marosi +6 more
TL;DR: The EEG differences observed during different components of mental calculation suggest the participation of different networks, particularly in delta and theta bands in right posterior areas and in the beta band in frontal areas.
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Maturation of the coherence of EEG activity in normal and learning-disabled children.
Erzsébet Marosi,Thalía Harmony,Luis Sánchez,Jacqueline Becker,Jorge Bernal,Alfonso Reyes,Ana E. Diaz de León,Mario E. Rodriguez,Thalía Fernández +8 more
TL;DR: Differences in brain organization, in myelogenesis and synaptogenesis and an explanation of the etiology of LD are discussed as differences in brain Organization and coherence are discussed.
Journal ArticleDOI
Primary task demands modulate P3a amplitude.
Thalía Harmony,Jorge Bernal,Thalía Fernández,Juan Silva-Pereyra,Antonio Fernández-Bouzas,Erzsébet Marosi,Mario H. Rodriguez,Alfonso Reyes +7 more
TL;DR: The results suggest that primary task demands modulate involuntary attention processing as well as stimulus type (standard vs. deviant) but not by condition (task vs. control).
Journal ArticleDOI
Test-retest reliability of EEG spectral parameters during cognitive tasks: I. Absolute and relative power.
Thalía Fernández,Thalía Harmony,Mario E. Rodriguez,Alfonso Reyes,Erzsébet Marosi,Jorge Bernal +5 more
TL;DR: Test-retest reliability of Absolute (AP) and Relative Power (RP) during rest and during two cognitive tasks: one verbal, the search for a synonym, and the other consisting of mental arithmetic calculations, finding that AP and RP are very reliable parameters for analyzing EEG during mental tasks.