Ricardo Martins

Publications

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2019

Journal article:

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, volume 9 - 1242, 2019. [link]

Conference poster:

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.

Conference poster:

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.

Conference poster:

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" - Meeting of the Portuguese Society for Neuroscience (SPN 2019), Lisbon, Portugal, May 30- June 13, 2019.

Conference poster:

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"" - Meeting of the Portuguese Society for Neuroscience (SPN 2019), Lisbon, Portugal, May 30- June 13, 2019.


2018

Journal article:

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, volume 179, pages 540–547, October 2018. [link]

Conference poster:

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.

Conference poster:

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" - the 11th FENS Forum of Neuroscience (FENS 2018), Berlin, Germany, July 7-11, 2018.

Conference poster:

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.

Conference poster:

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.


2017

Journal article:

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, Volume 38, Issue 10, October 2017, Pages 4882-4897. [link]

Journal article:

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, Volume 29, Issue 11, November 2017, Pages 1829-1844. [link]

Journal article:

R. Martins, J. F. Ferreira, M. Castelo-Branco, J. Dias - "Integration of touch attention mechanisms to improve the robotic haptic exploration of surfaces" - Neurocomputing, Volume 222, 26 January 2017, Pages 204-216. [link]

PhD thesis / Dissertation:

R. Martins, "Development of techniques for haptic exploration and recognition of objects - a contribution to autonomous robotic hands", PhD thesis, University of Coimbra, March 2017. [link]

Conference poster:

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.

Conference poster:

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.

Conference poster:

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.

Conference poster:

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.

Conference poster:

Teresa Sousa, João V. Duarte, Gabriel N. Costa, Valentin Kemper, Ricardo Martins, Rainer Goebel, Miguel 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.

Conference poster:

Alexandre Sayal Campos, Teresa Sousa, João V. Duarte, Gabriel N. Costa, Ricardo Martins, Miguel 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.

Conference poster:

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.


2016

Conference poster:

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.

Conference poster:

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.


2015

Conference poster:

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.

Conference poster:

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.


2014

Conference paper:

R. Martins, J. F. Ferreira, J. Dias - "Touch attention Bayesian models for robotic active haptic exploration of heterogeneous surfaces" - In Proceedings of 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2014), Chicago, USA, Sept. 14-18, 2014, pages 1208-1215. [link]

Conference poster:

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.


2013

Conference poster:

Ricardo Martins, J. F. Ferreira, J. Dias - "Touch attention Bayesian models for robotic active haptic exploration" - In 2nd Workshop on Recognition and Action for Scene Understanding (REACTS) 2013, York, UK, 30 August, 2013. [link]


2012

Journal article:

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, Elsevier: Special Issue on Autonomous Grasping, Volume 60, Issue 3, Pages 323-325, ISSN 0921-8890, March 2012. [link]

Conference paper:

Ricardo Martins, Diego R. Faria, Jorge Dias - Representation framework of perceived object softness characteristics for active robotic hand exploration In Proceedings of 7th ACM/IEEE International Conference on Human Robot Interaction (HRI2012) - Workshop on Advances in Tactile Sensing and Touch based Human-Robot Interaction, Boston, USA, March 5-8, 2012. [link]

Conference paper:

R. Martins, J. F. Ferreira, J. Dias - Touch attention Bayesian models for object feature extraction in robotic blind manipulation. In 32nd International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering (MaxEnt 2012), Munich, July, 2012.

Conference paper:

D. R. Faria, R. Martins, J. Lobo, J. Dias - A Probabilistic Framework to Detect Suitable Grasping Regions on Objects. In 10th IFAC Symposium on Robot Control (SYROCO 2012), Dubrovnik, Croatia, September, 2012. [link]


2011

Conference paper:

Diego Faria, Ricardo Martins, Jorge Lobo, Jorge Dias - Manipulative Tasks Identification by Learning and Generalizing Hand Motions. In DoCEIS'11 - 2nd Doctoral Conference on Computing, Electrical and Industrial Systems. Costa da Caparica - Portugal, February, 2011. [link]


2010

Conference paper:

Diego R. Faria, Ricardo Martins, Jorge Lobo, Jorge Dias - Probabilistic Representation of 3D Object Shape by In-Hand Exploration - Proceedings of The 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS'10 - Taipei, Taiwan - October 2010. [link]

Conference paper:

Ricardo Martins, Diego R. Faria, Jorge Dias - Symbolic Level Generalization of In-hand Manipulation Tasks from Human Demonstrations using Tactile Data Information - IEEE/RSJ IROS'2010: Workshop on Grasping Planning and Task Learning by Imitation, Taipei, Taiwan - October 2010. [link]

Conference paper:

Diego R. Faria, Ricardo Martins, Jorge Dias - Learning Motion Patterns from Multiple Observations along the Actions Phases of Manipulative Tasks - IEEE/RSJ IROS'2010: Workshop on Grasping Planning and Task Learning by Imitation, Taipei, Taiwan - October 2010. [link]

Conference paper:

Diego R. Faria, Ricardo Martins, Jorge Dias - Grasp Exploration for 3D Object Shape Representation using Probabilistic Map - In Proceedings of the DoCEIS'10 - Doctoral Conference on Computing, Electrical and Industrial Systems. Lisbon, February, 2010. [link]


2009

Conference paper:

Diego R. Faria, Ricardo Martins, Jorge Dias - Human reach-to-grasp generalization strategies: a Bayesian approach - Workshop at Robotics: Science and Systems 2009, Workshop: Understanding the Human Hand for Advancing Robotic Manipulation - Jully 28, 2009 - Dillon Eng Seattle, WA, USA. [link]


2008

Conference paper:

António Dourado, Ricardo Martins, João Duarte, Bruno Direito - Towards Personalized Neural Networks for Epileptic Seizure Prediction, in Proc. of the ICANN 2008, pp. 479-487, Vol. 5164, Lecture Notes on Computer Science, International Conference on Neural Networks ICANN 2008, Prague, Czek Republic, September 2008. [link]

Conference paper:

Bruno Direito, Ricardo Martins, Rui Costa, António Dourado, Francisco Sales, Marco Vieira - Computational Intelligence Algorithms for Seizure Prediction in Proc. of the 8th European Congress on Epileptology, 8th European Congress on Epileptology, Berlin, September 2008. [link]

Technical Report:

Ricardo Martins - BW-Eye: Ophthalmologic decision support system based on clinical workflow and data mining techniques-image registration algorithm, Technical Report - Internship at Blueworks, September 2008. [link]