Publications

Journal Papers

D. Pinto, R. Martins, A. Macedo, M. Castelo-Branco, J. V. Duarte, N. Madeira - "Brain Hemispheric Asymmetry in Schizophrenia and Bipolar Disorder" - Journal of Clinical Medicine, 2023. ⨁ full-text [link]
M. L. Pais, L. Jorge, R. Martins, N. Canário, A. C. Xavier, R. Bernardes, A. Abrunhosa, I. Santana, M. Castelo-Branco - "Textural properties of microglial activation in Alzheimer’s disease as measured by (R)-[11C]PK11195 PET" - Brain Communications, 2023. ⨁ full-text [link]
J. Bourbon-Teles, L. Jorge, N. Canário, R. Martins, I. Santana, M. Castelo-Branco - "Associations between cortical β-amyloid burden, fornix microstructure and cognitive processing of faces, places, bodies and other visual objects in early Alzheimer's disease" - Hippocampus, 2023. ⨁ full-text [link]
N. Canário*, L. Jorge*, R. Martins, I. Santana, M. Castelo-Branco - "Dual PET-fMRI reveals a link between neuroinflammation, amyloid binding and compensatory task-related brain activity in Alzheimer’s disease" - Communications Biology, 2022. ⨁ full-text [link]
N. Madeira*, R. Martins*, J. V. Duarte, G. N. Costa, A. Macedo, M. Castelo-Branco - "A Fundamental Distinction in Early Neural Processing of Implicit Social Interpretation in Schizophrenia and Bipolar Disorder" - NeuroImage Clinical, 2021. ⨁ full-text [link]
R. Martins, F. Oliveira, F. Moreira, A. P. Moreira, A. Abrunhosa, C. Januário, M. Castelo-Branco - "Automatic classification of idiopathic Parkinson's disease and atypical parkinsonian syndromes combining [11C]raclopride PET uptake and MRI grey matter morphometry" - Journal of Neural Engineering, 2021. ⨁ full-text [link]
T. Sousa, J. V. Duarte, G. N. Costa, V. Kemper, R. Martins, R. Goebel, M. Castelo-Branco - "The dual nature of the BOLD signal - Responses in visual area hMT+ reflect both input properties and perceptual decision" - Human Brain Mapping, 2021. ⨁ full-text [link]
L. Jorge, R. Martins, N. Canário, C. Xavier, A. Abrunhosa, I. Santana, M. Castelo-Branco - "Investigating the Spatial Associations Between Amyloid-β Deposition, Grey Matter Volume, and Neuroinflammation in Alzheimer’s Disease" - Journal of Alzheimer's Disease, 2021. ⨁ full-text [link]
L. Jorge, N. Canário, R. Martins, B. Santiago, I. Santana, H. Quental, F. Ambrósio, R. Bernardes, M. Castelo-Branco - "The Retinal Inner Plexiform Synaptic Layer Mirrors Grey Matter Thickness of Primary Visual Cortex with Increased Amyloid β Load in Early Alzheimer’s Disease" - Neural Plasticity, 2020. ⨁ full-text [link]
A. S. Campos*, T. Sousa*, J.V. Duarte, G.N. Costa, R. Martins, M. Castelo-Branco - "Identification of competing neural mechanisms underlying positive and negative perceptual hysteresis in the human visual system" - NeuroImage, 2020. ⨁ full-text [link]
J.V. Duarte*, N. Madeira*, R. Martins, G.N. Costa, A. Macedo, M. Castelo-Branco - "Morphometry and gyrification in bipolar disorder and schizophrenia - a comparative MRI study" - NeuroImage Clinical, 2020. ⨁ full-text [link]
T. Sousa, J. V. Duarte, G. N. Costa, V. Kemper, R. Martins, R. Goebel, M. Castelo-Branco - "Tracking perceptual decision mechanisms through changes in interhemispheric functional connectivity in human visual cortex" - Scientific Reports, 2019. ⨁ full-text [link]
T. Sousa*, A. S. Campos*, J.V. Duarte, G.N. Costa, R. Martins, M. Castelo-Branco - "Evidence for distinct levels of neural adaptation to both coherent and incoherently moving visual surfaces in visual area hMT+" - NeuroImage, 2018. ⨁ full-text [link]
J.V. Duarte, G.N. Costa, R. Martins, M. Castelo-Branco - "Pivotal role of hMT+ in long‐range disambiguation of interhemispheric bistable surface motion" - Human Brain Mapping, 2017. ⨁ full-text [link]
G.N. Costa, J.V. Duarte, R. Martins, M. Wibral, M. Castelo-Branco - "Interhemispheric binding of ambiguous visual motion is associated with changes in beta oscillatory activity but not with gamma range synchrony" - Journal of Cognitive Neuroscience, 2017. ⨁ full-text [link]
R. Martins, J. F. Ferreira, M. Castelo-Branco, J. Dias - "Integration of touch attention mechanisms to improve the robotic haptic exploration of surfaces" - Neurocomputing, 2017. ⨁ full-text [link]
Diego R. Faria, Ricardo Martins, Jorge Lobo, Jorge Dias - "Extracting Data from Human Manipulation of Objects Towards Improving Autonomous Robotic Grasping" - Robotics and Autonomous Systems, 2014. ⨁ full-text [link]

Book Chapters

H. C. Pereira, D. Sousa, M. Simões, R. Martins, C. Amaral, V. Lopes, J. Crisóstomo, M. Castelo-Branco - "Effects of anodal multichannel transcranial direct current stimulation (tDCS) on social-cognitive performance in healthy subjects - A randomized sham-controlled crossover pilot study" - Progress in Brain Research, 2021. ⨁ full-text [link]
D. R. Faria, R. Martins, J. Lobo, J. Dias - "A Probabilistic Framework to Detect Suitable Grasping Regions on Objects" - IFAC Proceedings Volumes (10th IFAC Symposium on Robot Control), 2012. ⨁ full-text [link]
Diego Faria, Ricardo Martins, Jorge Lobo, Jorge Dias - "Manipulative Tasks Identification by Learning and Generalizing Hand Motions" - IFIP Advances in Information and Communication Technology (DoCEIS 2011), 2011. ⨁ full-text [link]
Diego R. Faria, Ricardo Martins, Jorge Dias - "Grasp Exploration for 3D Object Shape Representation using Probabilistic Map" - IFIP Advances in Information and Communication Technology (DoCEIS 2010), 2010. ⨁ full-text [link]
António Dourado, Ricardo Martins, João Duarte, Bruno Direito - "Towards Personalized Neural Networks for Epileptic Seizure Prediction" - Lecture Notes in Computer Science (ICANN 2008), 2008. ⨁ full-text [link]

Conference Papers

R. Martins, J. F. Ferreira, J. Dias - "Touch attention Bayesian models for robotic active haptic exploration of heterogeneous surfaces" - IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2014), 2014. ⨁ full-text [link]
Ricardo Martins, Diego R. Faria, Jorge Dias - "Representation framework of perceived object softness characteristics for active robotic hand exploration" - ACM/IEEE International Conference on Human Robot Interaction (HRI2012), 2012. ⨁ full-text [link]
R. Martins, J. F. Ferreira, J. Dias - "Touch attention Bayesian models for object feature extraction in robotic blind manipulation" - International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering (MaxEnt 2012), 2012. ⨁ full-text [link]
Diego R. Faria, Ricardo Martins, Jorge Lobo, Jorg - "Probabilistic Representation of 3D Object Shape by In-Hand Exploration" - IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2010), 2010. ⨁ full-text [link]
Ricardo Martins, Diego R. Faria, Jorge Dias - "Symbolic Level Generalization of In-hand Manipulation Tasks from Human Demonstrations using Tactile Data Information" - IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2010 - Workshop on Grasping Planning and Task Learning by Imitation), 2010. ⨁ full-text [link]
Diego R. Faria, Ricardo Martins, Jorge Dia - "Learning Motion Patterns from Multiple Observations along the Actions Phases of Manipulative Tasks" - IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2010 - Workshop on Grasping Planning and Task Learning by Imitation), 2010. ⨁ full-text [link]
Diego R. Faria, Ricardo Martins, Jorge Dias - "Human reach-to-grasp generalization strategies - a Bayesian approach" - Robotics Science and Systems (RSS 2009, Workshop Understanding the Human Hand for Advancing Robotic Manipulation), 2009. ⨁ full-text [link]
Bruno Direito, Ricardo Martins, Rui Costa, António Dourado, Francisco Sales, Marco Vieira - "Computational Intelligence Algorithms for Seizure Prediction" - Epilepsia (8th European Congress on Epileptology), 2008. ⨁ full-text [link]

Conference Posters

R. Martins, N. Madeira, J. V. Duarte, A. Macedo, M. Castelo-Branco - "Teoria da Mente implícita na Esquizofrenia e Doença Bipolar - padrões cerebrais distintivos de conetividade funcional" - XVII Portuguese National Congress of Psychiatry, November 22 - November 25, 2023. ⨁ full-text [link]
R. Martins, J. V. Duarte, N. Madeira, A. Macedo, M. Castelo-Branco - "Distinct functional connectivity patterns in dopaminergic and limbic pathways underlying task-based implicit Theory of Mind in Schizophrenia and Bipolar Disorder" - CRSy23 - Champalimaud Research Symposium 2023, October 24 - October 27, 2023. ⨁ full-text [link]
G. N. Costa, M. Schaum, J. V. Duarte, R. Martins, J. Castelhano, M. Wibral, M. Castelo-Branco - "Distinct oscillatory patterns differentiate between segregation and integration processes in perceptual grouping" - CRSy23 - Champalimaud Research Symposium 2023, October 24 - October 27, 2023. ⨁ full-text [link]
C. Mehra, E. Onwordi; B. Kowalewska, T. Whitehurst, E. Shatalina, G. Griffioen, R. Martins, M. Petrinovic, S. Mouga, A. Abrunhosa, A. Rodrigues, I. Kadiu, J. Borg, M. Castelo-Branco, S. Natesan, J. Muircheartaigh, O. Howes, D. Murphy - "Synaptic density marker, SV2A, is reduced in autistic adults" - INSAR meeting 2023 - International Society for Autism Research, May 3 - May 6, 2023. ⨁ full-text [link]
J. V. Duarte, R. Martins, N. Madeira, K. Young, A. Macedo, M. Castelo-Branco - "A structural MRI study of cortical complexity features of major depression, schizophrenia, and bipolar disorder" - FRM 2023 - Federation of European Neuroscience Societies, Regional Meeting, May 3 - May 5, 2023. ⨁ full-text [link]
M. S. Ferreira, O. C. d'Almeida, H. Quental, R. Martins, J. Lemos, A. Jorge, M. Castelo-Branco - "Nervous system plasticity in stroke - functional magnetic resonance and PET" - CIBIT meeting 2022 - Coimbra Institute for Biomedical Imaging and Translational Research, December 16, 2022. ⨁ full-text [link]
M. Castelo-Branco, T. Sousa, J. V. Duarte, R. Martins, G. Costa - "The role of motion adaptation in bottom-up mechanisms of perceptual decision-making" - 13th Symposium of the BIAL Foundation “Behind and Beyond the Brain”, April 6 - April 9, 2022. ⨁ full-text [link]
M. Lapo Pais, L. Jorge, R. Martins, N. Canário, C. Xavier, A. Abrunhosa, I. Santana, R. Bernardes, M. Castelo-Branco - "Texture Quantification Parameters for Alzheimer's disease diagnosis measured by 11C- (R)- PK11195 PET images" - European Journal of Nuclear Medicine and Molecular Imaging - Conference Abstract - Annual Congress of the European Association of Nuclear Medicine (EANM2021), online, October 20 - October 23, 2021. ⨁ full-text [link]
T. Sousa, A. S. Campos, J. V. Duarte, G. N. Costa, R. Martins, M. Castelo-Branco - "Studying the neuronal mechanisms underlying bistable perception - the role of adaptation, persistence, and inhibition on perceptual decision" - Frontiers in Cellular Neuroscience - Conference Abstract - XVI Meeting of the Portuguese Society for Neuroscience (SPN2019), Lisbon, Portugal, May 30 - June 1, 2019. ⨁ full-text [link]
J.V. Duarte, N. Madeira, R. Martins, G.N. Costa, A. Macedo, M. Castelo-Branco - "Investigating whole-brain MRI markers in neuropsychiatric disorders – separating disease duration from medication effects in schizophrenia and bipolar disorder" - Frontiers in Cellular Neuroscience - Conference Abstract - XVI Meeting of the Portuguese Society for Neuroscience (SPN2019), Lisbon, Portugal, May 30 - June 1, 2019. ⨁ full-text [link]
G.N. Costa, Schaum, R. Martins, J.V. Duarte, J. Castelhano, M. Wibral, M. Castelo-Branco - "Distinct roles of beta and gamma oscillations during integration of ambiguous motion" - Federation of European Neuroscience Societies Regional meeting (FRM 2019), Belgrade, Serbia, July 10-13, 2019. ⨁ full-text [link]
J.V. Duarte, N. Madeira, R. Martins, G.N. Costa, A. Macedo, M. Castelo-Branco - "Investigating whole-brain MRI markers in neuropsychiatric disorders – emerging dimensions in morphometric space" - Federation of European Neuroscience Societies Regional meeting (FRM 2019), Belgrade, Serbia, July 10-13, 2019. ⨁ full-text [link]
T. Sousa, A. S. Campos, J. V. Duarte, G. N. Costa, R. Martins, M. Castelo-Branco - "Evidence for asymmetric perceptual adaptation to coherent and incoherent moving plaids" - 24th Annual Meeting of the Organization for Human Brain Mapping (OHBM 2018), Singapore, June 17-21, 2018. ⨁ full-text [link]
A. S. Campos, T. Sousa, J.V. Duarte, G.N. Costa, R. Martins, M. Castelo-Branco - "Unraveling the neural correlates of perceptual hysteresis - the effects of perceptual history on the visual perception of an ambiguous stimulus" - 11th FENS Forum of Neuroscience (FENS 2018), Berlin, Germany, July 7-11, 2018. ⨁ full-text [link]
A. S. Campos, T. Sousa, J.V. Duarte, G.N. Costa, R. Martins, M. Castelo-Branco - "Unraveling the neural correlates of perceptual hysteresis - the effects of perceptual history on the visual perception of an ambiguous stimulus" - Salzburg Mind-Brain Annual Meeting (SAMBA 2018), Salzburg, Austria, July 12-13, 2018. ⨁ full-text [link]
T. Sousa, A. S. Campos, J.V. Duarte, G.N. Costa, R. Martins, M. Castelo-Branco - "Evidence for distinct levels of neural adaptation to both coherent and incoherently moving visual surfaces in visual area hMT+" - Salzburg Mind-Brain Annual Meeting (SAMBA 2018), Salzburg, Austria, July 12-13, 2018. ⨁ full-text [link]
J. V. Duarte, G. N. Costa, R. Martins, M. Castelo-Branco - "Long-range interhemispheric binding of bistable surface motion reflects bottom-up processes generated within hMT+" - 13th International Conference for Cognitive Neuroscience, Amsterdam, Netherland, August 5-8, 2017. ⨁ full-text [link]
G. N. Costa, J. V. Duarte, R. Martins, M. Castelo-Branco - "Beta oscillations reflect perceptual experience under ambiguous stimulation but not in the absence of conflict" - 13th International Conference for Cognitive Neuroscience, Amsterdam, Netherland, August 5-8, 2017. ⨁ full-text [link]
T. Sousa, V. Kemper, G. N. Costa, J. V. Duarte, R. Martins, R. Goebel, M. Castelo-Branco - "The Perceptual Integration of Visual Motion Revealed by hMT+ Interhemispheric Connectivity - a 7 Tesla study" - 13th International Conference for Cognitive Neuroscience, Amsterdam, Netherland, August 5-8, 2017. ⨁ full-text [link]
João V. Duarte, Gabriel N. Costa, Ricardo Martins, Miguel Castelo-Branco - "Maintenance of perceptual stability of interhemispheric surface motion is associated with bottom-up influences generated within hMT+" - 7th Iberian Congress on Perception, Coimbra, Portugal, July 6-7, 2017. ⨁ full-text [link]
T. Sousa, J. V. Duarte, G. N. Costa, V. Kemper, R. Martins, R. Goebel, M. Castelo-Branco - "High-resolution 7T fMRI data on the perceptual long-range segregation vs. integration of bistable moving stimuli" - 7th Iberian Congress on Perception, Coimbra, Portugal, July 6-7, 2017. ⨁ full-text [link]
A. S. Campos, T. Sousa, J. V. Duarte, G. N. Costa, R. Martins, M. Castelo-Branco - "Study of motion adaptation and its role in deciding between competing surface representations" - 7th Iberian Congress on Perception, Coimbra, Portugal, July 6-7, 2017. ⨁ full-text [link]
Gabriel N. Costa, João V. Duarte, Ricardo Martins, Michael Wibral, Miguel Castelo-Branco - "Beta oscillations during motion integration and segmentation - evidence of binding or perceptual bias?" - 7th Iberian Congress on Perception, Coimbra, Portugal, July 6-7, 2017. ⨁ full-text [link]
G. N. Costa, J. V. Duarte, R. Martins, M. Wibral, M. Castelo-Branco - "Binding of ambiguous visual stimuli is associated with changes in beta power but not with synchrony" - 22nd Annual Meeting of the Organization for Human Brain Mapping (OHBM 2016), Geneva, Switzerland, June 26-30, 2016. ⨁ full-text [link]
T. Sousa, V. Kemper, G. Costa, J. V. Duarte, R. Martins, R. Goebel, M. Castelo-Branco - "Long-range perceptual integration of visual motion revealed at high resolution 7T fMRI" - 22nd Annual Meeting of the Organization for Human Brain Mapping (OHBM 2016), Geneva, Switzerland, June 26-30, 2016. ⨁ full-text [link]
T. Sousa, G.N. Costa, J. V. Duarte, R. Martins, V. Kemper, R. Goebel, M. Castelo-Branco - "Perceptual interpretation of visual motion revealed at high resolution 7T fMRI - differential modulation of neural population activity" - V IBILI Meeting, Coimbra, Portugal, December 3-4, 2015. ⨁ full-text [link]
G.N. Costa, J. V. Duarte, R. Martins, N. Madeira, M. Castelo-Branco - "Increased synchrony correlates with visual binding - a study on visual integration on healthy subjects and schizophrenic patients" - Annual Conference on Clinical Neurophysiology and Neuroimaging, Munich, Germany, September 10-12, 2015. ⨁ full-text [link]
G.N. Costa, J. V. Duarte, M.Intaite, R. Martins, M. Castelo-Branco - "Perceptual motion integration correlates with long range neural synchrony - a study on the temporal binding hypothesis" - IV IBILI meeting, Coimbra, Portugal, December 11-12, 2014. ⨁ full-text [link]
Ricardo Martins, J. F. Ferreira, J. Dias - "Touch attention Bayesian models for robotic active haptic exploration" - 2nd Workshop on Recognition and Action for Scene Understanding (REACTS) 2013, York, UK, August 30, 2013. ⨁ full-text [link]

Thesis and Dissertations

R. Martins - "Development of techniques for haptic exploration and recognition of objects - a contribution to autonomous robotic hands" - PhD thesis, University of Coimbra, 2017. ⨁ full-text [link]
R. Martins - "BW-Eye - Ophthalmologic decision support system based on clinical workflow and data mining techniques-image registration algorithm" - MSc Thesis, University of Coimbra, Internship at Blueworks Lda, 2008. ⨁ full-text [link]