A5014632758- Visual perception and processing mechanisms
- Color Science and Applications
- Color perception and design
- Reproductive Health and Technologies
- Assisted Reproductive Technology and Twin Pregnancy
- Sperm and Testicular Function
- Family Dynamics and Relationships
- Reproductive Biology and Fertility
- Herpesvirus Infections and Treatments
- Research on Leishmaniasis Studies
- Poxvirus research and outbreaks
- Industrial Vision Systems and Defect Detection
- Bacillus and Francisella bacterial research
- Ovarian function and disorders
- Retinal and Macular Surgery
- Temporomandibular Joint Disorders
- Cultural Heritage Materials Analysis
- Conservation Techniques and Studies
- Simulation-Based Education in Healthcare
- Forensic Fingerprint Detection Methods
- Urinary Bladder and Prostate Research
- Sports injuries and prevention
- Child Welfare and Adoption
- Trypanosoma species research and implications
- Sports Performance and Training
Hospital Curry Cabral
2022-2025
Centro Hospitalar de Lisboa Central
2021-2024
Universidade do Porto
1997-2023
University of Beira Interior
2005-2023
University of Florida
2022
King's College Hospital
2022
Instituto Colombiano de Medicina Tropical
2022
Health Resources and Services Administration
2022
United States Department of Health and Human Services
2022
National Hansen's Disease Program
2022
Is perceived social support from partner, family, and friends associated with increased infertility-related stress?While men's did not seem to influence their partners' stress, women's perceptions of spousal familial can affect the way men deal challenge infertility.Previous studies showed that low levels are poor psychosocial adjustment treatment termination in women men. Studies examining impact using couple as unit analysis lacking.A cross-sectional sample 613 Portuguese patients...
Problem Sexually transmitted diseases and other infections of male genitourinary tract are thought to negatively impact reproductive health, affecting semen quality. Despite a possible link between bacteria infertility, few studies attempted characterize seminal microbiota in healthy diseased subjects. Methods the study A high‐throughput sequencing 16S ribosomal RNA gene was performed cohort infertility‐related cases (N = 89) controls 29) using pooled sample approach. Results global...
Monkeypox, a neglected and re-emergent zoonotic disease caused by monkeypox virus (MPXV) infection, has been endemic in Central Western Africa for decades. More recently, an outbreak spread to global level, occurring sites with no previous reported cases being clustered among men who have sex men, suggesting new modes of transmission. There is urgent need research better understanding the genomic evolution changing epidemiology Orthopoxvirus group. Our work aimed characterize clinical...
The capacity of important hydroxytyrosol metabolites (homovanillyl alcohol, acetate, homovanillyl alcohol 3′ and 4′-O-glucuronides, 4′-O-glucuronide) to protect red blood cells (RBCs) from oxidative injury induced by the radical initiator 2,2′-azo-bis(2-amidinopropane) dihydrochloride (AAPH) or natural H2O2 was evaluated. In presence AAPH, all compounds showed RBCs hemolysis in a dose-dependent manner, exccept for glucuronide, with order activity being at 20 μM > glucuronides = acetate...
Temporomandibular joint (TMJ) ankylosis is a rare and debilitating condition characterized by fibrous or bone fusion between the mandibular condyle glenoid fossa, resulting in restriction of jaw movements. This change can compromise essential functions such as chewing, speech breathing, addition to negatively impacting facial aesthetics quality life patients. Ankylosis have traumatic origin, infectious be associated with systemic diseases, being fundamental precise diagnosis direct...
Background/Objectives: The timely initiation of antiretroviral therapy (ART) in persons living with HIV (PLWH) improves clinical outcomes. However, ART commencement is often delayed. Portugal, which has one the highest new diagnosis rates within European Union, limited available data. Evidence from 2017-2018 suggests that average time to exceeds recommendations for optimal benefits. This study aimed assess number days first hospital appointment among newly diagnosed PLWH Portugal between...
Cross-reactive immune memory responses to orthopoxviruses in humans remain poorly characterised despite their relevance for vaccine design and outbreak control. We aimed assess the magnitude, specificity, durability of cross-reactive elicited by smallpox vaccines mpox virus infection. did a multicohort observational study involving participants from USA, Brazil, Portugal across four groups: Dryvax (first-generation vaccine) recipients vaccinated 40-80 years ago, JYNNEOS (third-generation...
Abstract Background Leishmania infantum is endemic in the Mediterranean region, presenting mostly as visceral leishmaniasis (VL). In Portugal, reporting of VL cases to public health authorities mandatory, but significant underreporting likely. This study aimed describe epidemiological and clinical aspects diagnosed hospitals Portuguese National Health Service (NHS), between 2010 2020. Methods Collaboration was requested every hospital NHS Mainland Portugal. Cases were screened through a...
Human iris recognition systems are an attractive form of non-intrusive bio-identification with many potential applications. However, the accuracy these is still limited due to challenges presented by surface deformation. This paper provides introduction physiology iris, describes problem deformation, and presents a review past current software approaches recognition. The focus on methods related iris.
We report a case of rickettsiosis caused by Rickettsia monacensis in an immunocompetent 67-year-old man Portugal who had eschar, erythematous rash, and attached Ixodes ricinus tick. Seroconversion eschar biopsy led to confirmed diagnosis PCR. Physicians should be aware this rare rickettsiosis, especially geographic regions with the vector.
The effect of scene dimensionality on colour constancy was tested with real scenes and objects. Observers viewed a three-dimensional (3-D) scene, or its two-dimensional (2-D) planar projection, through large beam-splitter that projected the virtual image test object (a cube 2-D projection) so it appeared part scene. Test could be illuminated independently high chromatic precision. In each trial, illuminance changed abruptly from 25 000 K to 6700 illuminant either consistently inconsistently...
Are kallikreins (KLKs), the whey-acidic-protein four-disulfide core domain (WFDCs) and their neighbors, semenogelins (SEMGs), known to play a role in cascade of semen coagulation liquefaction, associated with male infertility? Several KLK SEMG variants are overrepresented among hyperviscosity, asthenozoospermia oligozoospermia, supporting an effect abnormal liquefaction on loss quality lowering reproductive fitness. In spermatozoa coated by EPPIN (a protease inhibitor WFDC family) entrapped...
Fertility awareness (FA) among young people is low. interventions have been found to contribute increase FA in the short-term. The long-term effectiveness of on childless and presumed fertile people, committed a heterosexual relationship wishing children near future not known. In double-blind parallel randomized controlled trial conducted between 2016 2018, 652 partnered women were either watch 5-min video about fertility (IG: 'Intervention Group') or receive any intervention (CG: 'Control...
Color matching experiments use, in general, stimuli that are poor representations of the natural world. The aim this work was to compare degree color constancy for a range illuminant pairs using new technique uses both real objects and three-dimensional (3-D) scenes. In experiment, observers viewed 3-D scene through large beamsplitter projects on right-hand side (match scene), virtual image object object) such it appeared part scene. On left-hand (test symmetrical containing test identical...
Leishmania infantum, a zoonotic vector-born parasite, is endemic in the Mediterranean region, presenting mostly as visceral (VL), but also cutaneous (CL) and mucosal leishmaniasis (ML). This study aimed to describe epidemiological clinical aspects of CL ML cases diagnosed mainland Portugal between 2010 2020. Collaboration was requested from every hospital Portuguese National Health System. Cases were screened through search diagnostic discharge codes or positive laboratory results for...
The effect of scene complexity on colour constancy was tested with a novel technique in which virtual image real 3-D test object projected into scene. Observers made discriminations between illuminant and material changes simple complex scenes. extent achieved varied little either structure or test-object colour, suggesting dominant role local cues determining surface-colour judgments.
In a complex natural scene the colour and intensity of illumination may vary considerably across scene. Changes in can easily be detected but same does not seem to true changes. We investigated extent which chromatic changes illuminant are relation detection performance with constancy interpretation. The stimuli were real 3-D scenes rendered spatial gradients extremes had correlated temperatures within range 25 000 K–3300 K. Observers' sensitivity these was found low critically dependent on...
The neural correlates of visual awareness are elusive because its fleeting nature. Here we have addressed this issue by using single trial statistical "brain reading" neurophysiological event related (ERP) signatures conscious perception attributes with different levels saliency. Behavioral reports were taken at every in 4 experiments addressing access to color, luminance, and local phase offset cues. We found that target presence can be observed around 300 ms central parietal sites. Such...
Relational color constancy refers to the of perceived relations between colors surfaces a scene under changes in spectral composition illuminant. Spatial ratios cone excitations provide natural physical basis for this constancy, as, on average, they are almost invariant illuminant large collections and illuminants. The aim present work was determine, computationally, specific illuminants, limits obtained by application minimum-variance principle cone-excitation investigate its validity...
The aim of this work was to assess the influence dynamic luminance contrast noise masking (LCNM) on color discrimination for normal and anomalous trichromats. stimulus a colored target background presented calibrated CRT display. In static LCNM condition, consisted packed circles with variable size random luminance. 10 Hz square signal added each circle. phase randomized across circles. Discrimination thresholds were estimated along 20 hue directions concurrent at background. Six observers...
Clozapine is associated with a diverse range of side effects. In addition, patients prescribed clozapine commonly suffer medical comorbidities. This study aimed to characterise who required admission, understand reasons for identify areas interventions prevent future admission and describe management during the inpatient stay. We conducted retrospective analysis were admitted general hospital in 12-month period. Data collected using electronic drug charts notes. total, 114 hospitalised....