Joao Barbosa

PI (INSERM) @ Neuromodulation Institute & NeuroSpin.
Neuroscientist in the making. Chronic emigrant.

News & Events

Oct 2025 Joao will give two talks at Bernstein Workshops 2025: Machine learning for constraining interpretable models and Top-down control of neural dynamics

Sept 2025 Joao teaching at Summer School on Computational Biology, Coimbra

Aug 2025 Lubna gave a talk at CCN 2025, Amsterdam

Aug 2025 Joao participated in the Neuroscience Leadership Training in Kingston, Canada

July 2025 Joao taught at Cognitive and Computational Neuroscience Summer School, Suzhou, China

July 2025 Joao taught at Simons-BioRTC Computational Neuroscience Summer School, Damaturo, Nigeria

May 2025 Philipp and Joao gave talks at Mathematics of Neuroscience and AI in Split. Kaleab presented a poster.

Peer-reviewed

Early selection of task-relevant features through population gating

Joao Barbosa✉, Remi Proville, Chris C. Rodgers, Michael R. DeWeese, Srdjan Ostojic, Yves Boubenec

Nature Communications (2023)

Decision Making RNN Neural Geometry E-phys

data code tweeprint talk

Pinging the brain with visual impulses reveals electrically active, not activity-silent working memories

Joao Barbosa, Diego Lozano-Soldevilla, Albert Compte

Plos Biology (2021)

Working Memory M/EEG

code data tweeprint

Across-area synchronization supports feature integration in a biophysical network model of working memory

Joao Barbosa, Vahan Babushkin, Ainsley Temudo, Kartik K. Sreenivasan, Albert Compte

Frontiers in Neural Circuits (2021)

Working Memory Spiking Networks

code tweeprint

Interplay between persistent activity and activity-silent dynamics in prefrontal cortex underlies serial biases in working memory

Joao Barbosa+, Heike Stein+, Rebecca L. Martinez, Adria Galan-Gadea, Sihai Li, Josep Dalmau, Kirsten C. S. Adam, Josep Valls-Sole, Christos Constantinidis & Albert Compte

Nature Neuroscience (2020)

Working Memory Spiking Networks M/EEG E-phys

code data tweeprint talk

Synaptic basis of reduced serial dependence in anti-NMDAR encephalitis and schizophrenia

Heike Stein+, Joao Barbosa+, Mireia Rosa-Justicia, Laia Prades, Alba Morato, Adria Galan-Gadea, Helena Arino, Eugenia Martinez-Hernandez, Josefina Castro-Fornieles, Josep Dalmau & Albert Compte

Nature Communications (2020)

Working Memory Spiking Networks Computational Psychiatry

code data tweeprint

Build-up of serial dependence in color working memory

Joao Barbosa & Albert Compte

Scientific Reports (2020)

Working Memory

code data tweeprint

Neural circuit basis of visuo-spatial working memory precision

Rita Almeida, Joao Barbosa, Albert Compte

Journal of Neurophysiology (2015)

Working Memory Spiking Networks

Conference Papers

Task-Relevant Information is Distributed Across the Cortex, but the Past is State-Dependent and Restricted to Frontal Regions

Lubna S. Abdul, Scott L. Brincat, Earl K. Miller, Joao Barbosa

CCN (2025)

Decision Making E-phys

Estimating flexible across-area communication with neurally-constrained RNN

Joao Barbosa, Adrien Valente, Scott L. Brincat, Earl K. Miller, Srdjan Ostojic

CCN vol. 15, 716965, Frontiers Media SA (2024)

RNN Neural Geometry Decision Making

Pre-prints

Redundant, weakly connected prefrontal hemispheres balance precision and capacity in spatial working memory

Melanie Tschiersch, Akash Umakantha, Ryan C. Williamson, Matthew A Smith, Joao Barbosa+, Albert Compte+

bioRxiv (2025)

Working Memory Spiking Networks E-phys

Quantifying Differences in Neural Population Activity With Shape Metrics

Joao Barbosa, Amin Nejatbakhsh, Lyndon Duong, Sarah E. Harvey, Scott L. Brincat, Markus Siegel, Earl K. Miller, Alex H. Williams

bioRxiv (2025)

Neural Geometry E-phys

Neural signatures of reduced serial dependence in anti-NMDAR encephalitis and schizophrenia

Heike Stein, Joao Barbosa, Diego Lozano-Soldevilla, Mireia Rosa-Justicia, Alba Morató, Adrià Galan-Gadea, Laia Prades, Amaia Muñoz-Lopetegui, Helena Ariño, Eugenia Martinez-Hernandez, Mar Guasp, Josefina Castro-Fornieles, Josep Dalmau, Joan Santamaria, Albert Compte

PsyArxiv (2024)

Working Memory M/EEG Spiking Networks Computational Psychiatry

Alpha phase-coding supports feature binding during working memory maintenance

Mattia F. Pagnotta, Aniol Santo-Angles, Ainsley Temudo, Joao Barbosa, Albert Compte, Mark D'Esposito, Kartik K. Sreenivasan

bioRxiv (2024)

Working Memory M/EEG

NeuroGym: An open resource for developing and sharing neuroscience tasks

Manuel Molano-Mazón, Joao Barbosa, Jordi Pastor-Ciurana, Marta Fradera, Ru-Yuan Zhang, Jeremy Forest, Jorge del Pozo, Li Ji-An, Christopher J Cueva, Jaime de la Rocha, Devika Narain, Guangyu Robert Yang

PsyArxiv (2022)

RNN

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