Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Gabriel Nascimento Ferreira da Costa"'
1
The dual nature of the BOLD signal
Autor: Rainer Goebel, Miguel Castelo-Branco, João V. Duarte, Gabriel Nascimento Ferreira da Costa, Valentin G. Kemper, Teresa Sousa, Ricardo Martins
Publikováno v: Human Brain Mapping, 42, 1920-1929. Wiley-Liss Inc.
Human Brain Mapping, 42(6), 1920-1929. Wiley
CIÊNCIAVITAE
Human Brain Mapping
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Neuroimaging studies have suggested that hMT+ encodes global motion interpretation, but this contradicts the notion that BOLD activity mainly reflects neuronal input. While measuring fMRI responses at 7 Tesla, we used an ambiguous moving stimulus, yi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee45ae995417b233ae85f87e0a7bcdbf
https://cris.maastrichtuniversity.nl/en/publications/614837ac-977f-4200-9c74-7c1954543956
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2
Identification of competing neural mechanisms underlying positive and negative perceptual hysteresis in the human visual system
Autor: Teresa Sousa, Miguel Castelo-Branco, Gabriel Nascimento Ferreira da Costa, Alexandre Sayal, João V. Duarte, Ricardo Martins
Publikováno v: NeuroImage, Vol 221, Iss, Pp 117153-(2020)
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
CIÊNCIAVITAE
Hysteresis is a well-known phenomenon in physics that relates changes in a system with its prior history. It is also part of human visual experience (perceptual hysteresis), and two different neural mechanisms might explain it: persistence (a cause o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7530579baa8609a1c6671e4fe4eb6467
https://pubmed.ncbi.nlm.nih.gov/32659351
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3
Morphometry and gyrification in bipolar disorder and schizophrenia: A comparative MRI study
Autor: Miguel Castelo-Branco, Gabriel Nascimento Ferreira da Costa, Ricardo Martins, António Macedo, Nuno Madeira, João V. Duarte
Publikováno v: CIÊNCIAVITAE
NeuroImage : Clinical
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
NeuroImage: Clinical, Vol 26, Iss, Pp-(2020)
Highlights • Increased right globus pallidus is a consistent marker in schizophrenia (SCZ). • Left supramarginal gyrification increases in bipolar disorder (BPD) in contrast with SCZ. • Gyrification analysis may help distinguish early phases of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1febad9d2cb0a363578a424e4196ca6
https://hdl.handle.net/10316/92458
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4
Pivotal role of hMT+ in long‐range disambiguation of interhemispheric bistable surface motion
Autor: João V. Duarte, Ricardo Martins, Miguel Castelo-Branco, Gabriel Nascimento Ferreira da Costa
Publikováno v: CIÊNCIAVITAE
Hum Brain Mapp
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
It remains an open question whether long-range disambiguation of ambiguous surface motion can be achieved in early visual cortex or instead in higher level regions, which concerns object/surface segmentation/integration mechanisms. We used a bistable
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b21b3029c75b3924e9e41a0b10cb6bc
https://doi.org/10.1002/hbm.23701
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5
Tracking perceptual decision mechanisms through changes in interhemispheric functional connectivity in human visual cortex
Autor: Teresa Sousa, Valentin G. Kemper, Miguel Castelo-Branco, Gabriel Nascimento Ferreira da Costa, Rainer Goebel, Ricardo Martins, João V. Duarte
Publikováno v: CIÊNCIAVITAE
Scientific Reports, 9(1):1242. Nature Publishing Group
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
Scientific Reports
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The role of long-range integration mechanisms underlying visual perceptual binding and their link to interhemispheric functional connectivity, as measured by fMRI, remains elusive. Only inferences on anatomical organization from resting state data pa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14cdb4084472eed8d6da60af9930bda4
https://cris.maastrichtuniversity.nl/en/publications/165c6072-00e2-40ec-9aa4-04b89cd961ae
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8
Interhemispheric Binding of Ambiguous Visual Motion Is Associated with Changes in Beta Oscillatory Activity but Not with Gamma Range Synchrony
Autor: Ricardo Martins, Gabriel Nascimento Ferreira da Costa, João V. Duarte, Michael Wibral, Miguel Castelo-Branco
Publikováno v: CIÊNCIAVITAE
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
In vision, perceptual features are processed in several regions distributed across the brain. Yet, the brain achieves a coherent perception of visual scenes and objects through integration of these features, which are encoded in spatially segregated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99ad95793c49c795cf68419608b0e448
https://pubmed.ncbi.nlm.nih.gov/28654360
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9
Mitochondrial Dysfunction Is the Focus of Quaternary Ammonium Surfactant Toxicity to Mammalian Epithelial Cells
Autor: Winchil L.C. Vaz, Antonio Moreno, Gabriel Nascimento Ferreira da Costa, Maria S. Santos, Ângela S. Inácio, Otilia V. Vieira, Neuza Domingues
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Surfactants have long been known to have microbicidal action and have been extensively used as antiseptics and disinfectants for a variety of general hygiene and clinical purposes. Among surfactants, quaternary ammonium compounds (QAC) are known to b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3bd354cbf4d9fc9c9f1a675621e314a
https://doi.org/10.1128/aac.02437-12
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10
High glucose changes extracellular adenosine triphosphate levels in rat retinal cultures
Autor: António F. Ambrósio, A.J. Cristóvão, Gabriel Nascimento Ferreira da Costa, Tânia Pereira, Paulo F. Santos, A.M. Neto
Publikováno v: Journal of Neuroscience Research. 87:1375-1380
Diabetic retinopathy (DR) is the leading cause of blindness in adults. In diabetes, there is activation of microglial cells and a concomitant release of inflammatory mediators. However, it remains unclear how diabetes triggers an inflammatory respons
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e180f896513b33904e9109ecc6a59805
https://doi.org/10.1002/jnr.21956
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