Publications by authors named "Alberto Leal"

33Publications

EEG Microstates Predict Concurrent fMRI Dynamic Functional Connectivity States.

Brain Topogr 2020 Nov 7. Epub 2020 Nov 7.

ISR-Lisboa/LARSyS and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.1007/s10548-020-00805-1DOI Listing
November 2020

Regional White Matter Atrophy Correlates with Spike Activity in Encephalopathy Related to Status Epilepticus During Slow Sleep (ESES) After Early Thalamic Lesions.

Brain Topogr 2020 09 11;33(5):571-585. Epub 2020 Jul 11.

Department of Pediatric Neurology, Hospital Dona Estefânia, Lisbon, Portugal.

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http://dx.doi.org/10.1007/s10548-020-00784-3DOI Listing
September 2020

Interictal spike quantification in continuous spike-wave of sleep (CSWS): Clinical usefulness of a wearable EEG device.

Epilepsy Behav 2020 03 25;104(Pt A):106902. Epub 2020 Jan 25.

Pediatric Neurology (EEG Lab), Hospital Dona Estefânia, Lisbon, Portugal; Department Clinical Neurophysiology, Centro Hospitalar Psiquiátrico de Lisboa, Lisbon, Portugal. Electronic address:

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http://dx.doi.org/10.1016/j.yebeh.2020.106902DOI Listing
March 2020

Identification of epileptic brain states by dynamic functional connectivity analysis of simultaneous EEG-fMRI: a dictionary learning approach.

Sci Rep 2019 01 24;9(1):638. Epub 2019 Jan 24.

ISR-Lisboa/LARSyS and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.1038/s41598-018-36976-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6345787PMC
January 2019

EEG-Informed fMRI: A Review of Data Analysis Methods.

Front Hum Neurosci 2018 6;12:29. Epub 2018 Feb 6.

ISR-Lisboa/LARSyS and Department of Bioengineering, Instituto Superior Técnico - Universidade de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.3389/fnhum.2018.00029DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5808233PMC
February 2018

EEG synchronization measures predict epilepsy-related BOLD-fMRI fluctuations better than commonly used univariate metrics.

Clin Neurophysiol 2018 03 11;129(3):618-635. Epub 2018 Jan 11.

ISR-Lisboa/LARSyS and Department of Bioengineering, Instituto Superior Técnico - Universidade de Lisboa, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2017.12.038DOI Listing
March 2018

Physiological noise correction using ECG-derived respiratory signals for enhanced mapping of spontaneous neuronal activity with simultaneous EEG-fMRI.

Neuroimage 2017 07 12;154:115-127. Epub 2016 Aug 12.

ISR-Lisboa/LARSyS and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Portugal.

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http://dx.doi.org/10.1016/j.neuroimage.2016.08.008DOI Listing
July 2017

Dynamics of epileptic activity in a peculiar case of childhood absence epilepsy and correlation with thalamic levels of GABA.

Epilepsy Behav Case Rep 2016 6;5:57-65. Epub 2016 Apr 6.

Department of Bioengineering and Institute for Systems and Robotics (ISR/IST), LARSyS, Instituto Superior Técnico, Universidade de Lisboa, Portugal.

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http://dx.doi.org/10.1016/j.ebcr.2016.03.004DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4840417PMC
May 2016

Ballistocardiogram artifact correction taking into account physiological signal preservation in simultaneous EEG-fMRI.

Neuroimage 2016 07 22;135:45-63. Epub 2016 Mar 22.

Institute for Systems and Robotics and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.neuroimage.2016.03.034DOI Listing
July 2016

Objective selection of epilepsy-related independent components from EEG data.

J Neurosci Methods 2016 Jan 17;258:67-78. Epub 2015 Oct 17.

Institute for Systems and Robotics and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.jneumeth.2015.10.003DOI Listing
January 2016

The Visual Word Form Area remains in the dominant hemisphere for language in late-onset left occipital lobe epilepsies: A postsurgery analysis of two cases.

Epilepsy Behav 2015 May 1;46:91-8. Epub 2015 May 1.

Department of Neurophysiology, Centro Hospitalar Psiquiátrico de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.yebeh.2015.04.019DOI Listing
May 2015

Characterisation and reduction of the EEG artefact caused by the helium cooling pump in the MR environment: validation in epilepsy patient data.

Brain Topogr 2015 Mar 26;28(2):208-20. Epub 2014 Oct 26.

Institute for Systems and Robotics and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001, Lisbon, Portugal.

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http://link.springer.com/content/pdf/10.1007/s10548-014-0408
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http://link.springer.com/10.1007/s10548-014-0408-0
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http://dx.doi.org/10.1007/s10548-014-0408-0DOI Listing
March 2015

The mismatch negativity (MMN) potential as a tool for the functional mapping of temporal lobe epilepsies.

Epilepsy Behav 2014 Apr 13;33:87-93. Epub 2014 Mar 13.

Instituto Universitário de Lisboa (ISCTE-IUL), Cis-IUL, Lisbon, Portugal; Department of Neurophysiology, Centro Hospitalar Psiquiátrico de Lisboa, Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.yebeh.2014.02.017DOI Listing
April 2014

Neuropsychological abnormalities in children with the Panayiotopoulos syndrome point to parietal lobe dysfunction.

Epilepsy Behav 2014 Feb 15;31:50-5. Epub 2013 Dec 15.

Instituto Universitário de Lisboa (ISCTE-IUL), Cis-IUL, Lisboa, Portugal; Department of Neurophysiology, Centro Hospitalar Psiquiatrico de Lisboa, Lisbon, Portugal; Department of Pediatric Neurology, Centro Hospitalar Lisboa Central, Portugal.

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http://dx.doi.org/10.1016/j.yebeh.2013.11.013DOI Listing
February 2014

Transfer Function between EEG and BOLD Signals of Epileptic Activity.

Front Neurol 2013 25;4. Epub 2013 Jan 25.

Department of Bioengineering, Instituto Superior Técnico, Technical University of Lisbon Lisbon, Portugal ; Institute for Systems and Robotics Lisbon, Portugal.

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http://dx.doi.org/10.3389/fneur.2013.00001DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3554836PMC
January 2013

Feasibility of focal transcranial DC polarization with simultaneous EEG recording: preliminary assessment in healthy subjects and human epilepsy.

Epilepsy Behav 2012 Nov 1;25(3):417-25. Epub 2012 Nov 1.

Centre for Rapid and Sustainable Product Development of Polytechnic Institute of Leiria, Portugal.

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http://dx.doi.org/10.1016/j.yebeh.2012.06.027DOI Listing
November 2012

Origin and dynamics of epileptic activity in a symptomatic case of Panayiotopoulos syndrome: correlation with clinical manifestations.

Clin Neurophysiol 2013 Jan 23;124(1):20-6. Epub 2012 Jul 23.

Department of Neurophysiology, Hospital Júlio de Matos, Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2012.06.007DOI Listing
January 2013

Dynamic Causal Modelling of epileptic seizure propagation pathways: a combined EEG-fMRI study.

Neuroimage 2012 Sep 24;62(3):1634-42. Epub 2012 May 24.

Department of Bioengineering, Instituto Superior Técnico, Technical University of Lisbon, Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.neuroimage.2012.05.053DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3778869PMC
September 2012

Parcel-based connectivity analysis of fMRI data for the study of epileptic seizure propagation.

Brain Topogr 2012 Oct 5;25(4):345-61. Epub 2012 Apr 5.

Department of Bioengineering, Politecnico di Milano, Milan, Italy.

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http://link.springer.com/10.1007/s10548-012-0225-2
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http://dx.doi.org/10.1007/s10548-012-0225-2DOI Listing
October 2012

N170 asymmetry as an index of inferior occipital dysfunction in patients with symptomatic occipital lobe epilepsy.

Clin Neurophysiol 2011 Jan 20;122(1):9-15. Epub 2010 Jun 20.

Department of Pediatric Neurology, Hospital Center of Central Lisbon, Rua Jacinta Marto, 1169-045 Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2010.05.023DOI Listing
January 2011

Comparing different electrode configurations using the 10-10 international system in tDCS: a finite element model analysis.

Annu Int Conf IEEE Eng Med Biol Soc 2009 ;2009:1596-9

Institute of Biophysics and Biomedical Engineering, Faculty of Sciences, Lisbon, 1749-016, Portugal.

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http://dx.doi.org/10.1109/IEMBS.2009.5334121DOI Listing
March 2010

Functional brain mapping of ictal activity in gelastic epilepsy associated with hypothalamic hamartoma: a case report.

Epilepsia 2009 Jun 6;50(6):1624-31. Epub 2008 Oct 6.

Department of Neurophysiology, Hospital Júlio de Matos, Lisbon, Portugal.

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http://dx.doi.org/10.1111/j.1528-1167.2008.01810.xDOI Listing
June 2009

Origin of frontal lobe spikes in the early onset benign occipital lobe epilepsy (Panayiotopoulos syndrome).

Clin Neurophysiol 2008 Sep 11;119(9):1985-91. Epub 2008 Jul 11.

Department of Neurophysiology, Hospital Júlio de Matos, Av(a) do Brasil nr 53, 1749-002 Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2008.04.299DOI Listing
September 2008

Analysis of the dynamics and origin of epileptic activity in patients with tuberous sclerosis evaluated for surgery of epilepsy.

Clin Neurophysiol 2008 Apr 21;119(4):853-61. Epub 2008 Feb 21.

Department of Neurophysiology, Hospital Júlio de Matos, Av(a) do Brasil nr 53, 1749-002 Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2007.11.176DOI Listing
April 2008

Brain mapping of epileptic activity in a case of idiopathic occipital lobe epilepsy (Panayiotopoulos syndrome).

Epilepsia 2007 Jun;48(6):1179-83

Department of Neurophysiology, Hospital Júlio de Matos, Lisbon, Portugal.

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http://dx.doi.org/10.1111/j.1528-1167.2007.01119.xDOI Listing
June 2007

Analysis of the generators of epileptic activity in early-onset childhood benign occipital lobe epilepsy.

Clin Neurophysiol 2007 Jun 29;118(6):1341-7. Epub 2007 Mar 29.

Department of Neurophysiology, Hospital Júlio de Matos, Av do Brasil nr 53, 1749-002 Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2007.02.017DOI Listing
June 2007

The BOLD effect of interictal spike activity in childhood occipital lobe epilepsy.

Epilepsia 2006 Sep;47(9):1536-42

Department of Neurophysiology, Hospital Júlio de Matos, Lisbon, Portugal.

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http://dx.doi.org/10.1111/j.1528-1167.2006.00626.xDOI Listing
September 2006

Analysis of the EEG dynamics of epileptic activity in gelastic seizures using decomposition in independent components.

Clin Neurophysiol 2006 Jul 5;117(7):1595-601. Epub 2006 Jun 5.

Department of Neurophysiology, Hospital Júlio de Matos, Av(a) do Brasil, No. 53, 1749-002 Lisbon, Portugal.

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http://dx.doi.org/10.1016/j.clinph.2006.03.020DOI Listing
July 2006

[Thyrotoxic periodic paralysis: a case report].

Acta Med Port 2005 Sep-Oct;18(5):399-402. Epub 2005 Oct 16.

Serviço de Neurologia, Hospital de Egas Moniz, Lisboa.

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May 2006

Different electroclinical manifestations of the epilepsy associated with hamartomas connecting to the middle or posterior hypothalamus.

Epilepsia 2003 Sep;44(9):1191-5

Department of Clinical Neurophysiology, Hospital Júlio de Matos, Lisbon, Portugal.

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http://dx.doi.org/10.1046/j.1528-1157.2003.66902.xDOI Listing
September 2003

Interictal spike EEG source analysis in hypothalamic hamartoma epilepsy.

Clin Neurophysiol 2002 Dec;113(12):1961-9

Department of Neurology, Hospital Fernando Fonseca, IC19, 2700 Amadora, Portugal.

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http://dx.doi.org/10.1016/s1388-2457(02)00253-5DOI Listing
December 2002