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Alexandre Sayal
Alexandre Sayal
Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT)
Email confirmado em uc.pt - Página inicial
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Targeting dynamic facial processing mechanisms in superior temporal sulcus using a novel fMRI neurofeedback target
B Direito, J Lima, M Simões, A Sayal, T Sousa, M Lührs, C Ferreira, ...
Neuroscience 406, 97-108, 2019
322019
Self-modulation of premotor cortex interhemispheric connectivity in a real-time functional magnetic resonance imaging neurofeedback study using an adaptive approach
J Pereira, B Direito, A Sayal, C Ferreira, M Castelo-Branco
Brain Connectivity 9 (9), 662-672, 2019
222019
Training the social brain: Clinical and neural effects of an 8-week real-time functional magnetic resonance imaging neurofeedback Phase IIa Clinical Trial in Autism
B Direito, S Mouga, A Sayal, M Simões, H Quental, I Bernardino, R Playle, ...
Autism 25 (6), 1746-1760, 2021
192021
Identification of competing neural mechanisms underlying positive and negative perceptual hysteresis in the human visual system
A Sayal, T Sousa, JV Duarte, GN Costa, R Martins, M Castelo-Branco
NeuroImage 221, 117153, 2020
182020
How much of the BOLD-fMRI signal can be approximated from simultaneous EEG data: relevance for the transfer and dissemination of neurofeedback interventions
M Simoes, R Abreu, B Direito, A Sayal, J Castelhano, P Carvalho, ...
Journal of Neural Engineering 17 (4), 046007, 2020
102020
Evidence for distinct levels of neural adaptation to both coherent and incoherently moving visual surfaces in visual area hMT+
T Sousa, A Sayal, JV Duarte, GN Costa, R Martins, M Castelo-Branco
NeuroImage 179, 540-547, 2018
82018
Volitional modulation of the left DLPFC neural activity based on a pain empathy paradigm—a potential novel therapeutic target for pain
C Travassos, A Sayal, B Direito, J Castelhano, M Castelo-Branco
Frontiers in Neurology 11, 549032, 2020
72020
The boundaries of state-space Granger causality analysis applied to BOLD simulated data: A comparative modelling and simulation approach
TT Fernandes, B Direito, A Sayal, J Pereira, A Andrade, M Castelo-Branco
Journal of Neuroscience Methods 341, 108758, 2020
52020
Neurofeedback-dependent influence of the ventral striatum using a working memory paradigm targeting the dorsolateral prefrontal cortex
DJ Pereira, A Sayal, J Pereira, S Morais, A Macedo, B Direito, ...
Frontiers in Behavioral Neuroscience 17, 1014223, 2023
42023
Assessing MR-compatibility of somatosensory stimulation devices: A systematic review on testing methodologies
C Travassos, A Sayal, B Direito, J Pereira, T Sousa, M Castelo-Branco
Frontiers in Neuroscience 17, 1071749, 2023
42023
Directly exploring the neural correlates of feedback-related reward saliency and valence during real-time fMRI-based neurofeedback
B Direito, M Ramos, J Pereira, A Sayal, T Sousa, M Castelo-Branco
Frontiers in Human Neuroscience 14, 578119, 2021
32021
A human cortical adaptive mutual inhibition circuit underlying competition for perceptual decision and repetition suppression reversal
T Sousa, A Sayal, JV Duarte, GN Costa, M Castelo-Branco
NeuroImage 285, 120488, 2024
22024
Optimization of a motor imagery paradigm for self-modulation of bilateral premotor interhemispheric functional connectivity in fMRI neurofeedback
J Pereira, B Direito, A Sayal, C Ferreira, M Castelo-Branco
XV Mediterranean Conference on Medical and Biological Engineering and …, 2020
22020
Inner speech in portuguese: Acquisition methods, database and first results
C Ferreira, A Sayal, B Direito, M Simões, P Martins, C Oliveira, ...
International Conference on Computational Processing of the Portuguese …, 2018
22018
Functional mapping of inner speech areas: A preliminary study with Portuguese speakers
C Ferreira, B Direito, A Sayal, M Simões, I Cadório, P Martins, M Lousada, ...
International Conference on Speech and Computer, 166-176, 2018
22018
Brain Connectivity Analysis for real-time fMRI Neurofeedback Experiments
AS Campos
University of Coimbra, 2016
12016
Neuroanatomical predictors of transcranial direct current stimulation (tDCS)-induced modifications in neurocognitive task performance in typically developing individuals
C Gurr, M Splittgerber, O Puonti, J Siemann, C Luckhardt, HC Pereira, ...
Journal of Neuroscience 44 (22), 2024
2024
Corrigendum: Assessing MR-compatibility of somatosensory stimulation devices: a systematic review on testing methodologies
C Travassos, A Sayal, B Direito, J Pereira, T Sousa, M Castelo-Branco
Frontiers in Neuroscience 18, 1423928, 2024
2024
Interhemispheric connectivity during spontaneous switches in visual perceptual coherence as revealed by fMRI at multiple temporal resolutions
A Sayal, B Direito, T Sousa, J Duarte, S Afonso, M Castelo-Branco
2024
Neurofeedback training of executive function in autism spectrum disorder: distinct effects on brain activity levels and compensatory connectivity changes
DJ Pereira, S Morais, A Sayal, J Pereira, S Meneses, G Areias, B Direito, ...
Journal of Neurodevelopmental Disorders 16 (1), 14, 2024
2024
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