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Alexandre Sayal
Alexandre Sayal
Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT)
Verified email at uc.pt - Homepage
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Cited by
Year
Targeting dynamic facial processing mechanisms in superior temporal sulcus using a novel fMRI neurofeedback target
B Direito, J Lima, M Simoes, A Sayal, T Sousa, M Lührs, C Ferreira, ...
Neuroscience 406, 97-108, 2019
142019
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
122019
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
42020
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
32020
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
32018
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
22021
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, 714, 2020
22020
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
12020
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
Mediterranean Conference on Medical and Biological Engineering and Computing …, 2019
12019
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, 625, 2021
2021
The boundaries of State-Space Granger Causality Analysis applied to BOLD simulated data: a comparative modelling and simulation approach
B Direito, A Sayal, J Pereira, A Andrade, M Castelo-Branco
2020
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
2018
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
2018
Brain Connectivity Analysis for real-time fMRI Neurofeedback Experiments
AS Campos
University of Coimbra, 2016
2016
Reconstructing the BOLD-fMRI signal at the facial expression processing network from simultaneous EEG-derived predictors
M SIMOES, R Abreu, B Direito, A Sayal, J Castelhano, P Carvalho, ...
Statistical validation of State-Space Granger Causality with Time-Reverse Surrogate and its boundaries in fMRI data
T Fernandes, J Pereira, B Direito, A Sayal, M Castelo-Branco
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