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BOLD fMRI

BOLD fMRI of C-Fiber Mediated Nociceptive Processing in Mouse Brain in Response to Thermal Stimulation of the Forepaws.

BOLD fMRI of C-Fiber Mediated Nociceptive Processing in Mouse Brain in Response to Thermal Stimulation of the Forepaws.

... this fMRI study we showed that pretreating mice with QX-314 in combination with capsaicin led to abolishment of the BOLD fMRI signal elicited by thermal stimulation, while administration of either ...

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BMI not WHR modulates BOLD fMRI responses in a sub-cortical reward network when participants judge the attractiveness of human female bodies.

BMI not WHR modulates BOLD fMRI responses in a sub-cortical reward network when participants judge the attractiveness of human female bodies.

... tree of the corrected X,Y & Z co-ordinates (figure 4a) was cut to yield 9 clusters; these are shown in column Cl of table 2 , labelled 1–9. The preponderance of BOLD activity observed was in or near the ...

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Increasing fMRI sampling rate improves Granger causality estimates.

Increasing fMRI sampling rate improves Granger causality estimates.

... using BOLD fMRI for causality modelling. First, BOLD signals are vascular responses that lag the underlying neuronal events by seconds [33] and may show notable voxel-to-voxel latency variability at ...

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Decreased resting functional connectivity after traumatic brain injury in the rat.

Decreased resting functional connectivity after traumatic brain injury in the rat.

... resting BOLD- fMRI could provide us clues about changes in neuronal networks that are critical for post-traumatic ...resting BOLD- fMRI in rats, in which post-traumatic epileptogenesis was ...

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Arq. NeuroPsiquiatr.  vol.65 número4A

Arq. NeuroPsiquiatr. vol.65 número4A

... test. fMRI has the advantages to be non-invasive, carrying less mor- bidity and assessing a more accurate mapping of the language ...Unfortunately, BOLD-fMRI studies of language require cooperation ...

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Dissertation submitted in Faculdade de Ciências e Tecnologia of

Dissertation submitted in Faculdade de Ciências e Tecnologia of

... Both BOLD and ASL methods are able to provide functional information of the brain, but they are quite different, and measure different aspects of brain ...of fMRI studies made comparisons between ASL and ...

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Task-Driven Activity Reduces the Cortical Activity Space of the Brain: Experiment and Whole-Brain Modeling.

Task-Driven Activity Reduces the Cortical Activity Space of the Brain: Experiment and Whole-Brain Modeling.

... (BOLD) fMRI data (4x4x4 mm 3 voxels, TE 25 ms, TR ...8 fMRI runs, each 194 frames (~7 min) in ...the fMRI data and definition of ROIs are described in detail in ...

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Dinâmica da alteração perfusional induzida por estado de apnéia utilizando fMRI

Dinâmica da alteração perfusional induzida por estado de apnéia utilizando fMRI

... The BOLD (Blood Oxygenation Level Dependent) signal, is the most used contrast mechanism of the so called functional Magnetic Resonance Imaging ...the BOLD signal as a result of a global and uniform ...

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Exploiting magnetic resonance angiography imaging improves model estimation of BOLD signal.

Exploiting magnetic resonance angiography imaging improves model estimation of BOLD signal.

... only tiny discrepancy in post stimulus undershoot stage could be found. Nevertheless, a significant distinction was observed in reconstructed physiological states between two values (Figure 4, right). Though the ...

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What are you feeling? Using functional magnetic resonance imaging to assess the modulation of sensory and affective responses during empathy for pain.

What are you feeling? Using functional magnetic resonance imaging to assess the modulation of sensory and affective responses during empathy for pain.

... Most fMRI studies to date suggest that witnessing another’s pain does not recruit areas that are typically involved in coding the sensory aspects of one’s own pain - such as the somatosensory cortex (SI/SII and ...

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The multisensory attentional consequences of tool use: a functional magnetic resonance imaging study.

The multisensory attentional consequences of tool use: a functional magnetic resonance imaging study.

... the BOLD response showed significant main effects of block order, or interactions between block order and the experimental conditions of interest, were identified, and are not discussed here due to possible ...

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Evaluation of Glaucomatous Damage via Functional Magnetic Resonance Imaging, and Correlations Thereof with Anatomical and Psychophysical Ocular Findings

Evaluation of Glaucomatous Damage via Functional Magnetic Resonance Imaging, and Correlations Thereof with Anatomical and Psychophysical Ocular Findings

... the BOLD response was statistically ...the BOLD signal strength between the control and glaucoma groups was found, subgroup analysis elucidated the pattern of the BOLD response in the different cat- ...

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FMRI evidence of 'mirror' responses to geometric shapes.

FMRI evidence of 'mirror' responses to geometric shapes.

... Data pre-processing of the EPI functional scans, including spatial realignment, unwarping, normalization to the standard MNI template, and smoothing with a 4 mm (full-width half- maximum, FWHM) Gaussian kernel, was ...

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Mitochondrial functional state impacts spontaneous neocortical activity and resting state FMRI.

Mitochondrial functional state impacts spontaneous neocortical activity and resting state FMRI.

... state BOLD fluctuations [43,44,45], the observed decrease in BOLD fluctuations (Figures 5A and 5B) and RSFC (Figures 4A and 4B) raises the possibility that diminished mitochondrial Ca 2+ uptake capacity may ...

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Alterações da default mode network provocadas pela ingestão de Ayahuasca investigadas por Ressonância Magnética Funcional

Alterações da default mode network provocadas pela ingestão de Ayahuasca investigadas por Ressonância Magnética Funcional

... Entre as técnicas de neuroimagem, a ressonância magnética funcional (do inglês, functional Magnetic Resonance Imaging – fMRI) tem sido largamente utilizada em estudos sobre as bases neurais da percepção, cognição ...

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Marta Sofia Grilo Penedo

Marta Sofia Grilo Penedo

... técnica BOLD, apresentam uma relação com os picos epileptiformes obtidos no EEG, traduzindo-se num método com vantagens em relação ao diagnóstico com uma técnica isolada, tratando-se de um suporte essencial no ...

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Pastpresent and future worries: an fMRI study

Pastpresent and future worries: an fMRI study

... of fMRI activity patterns that may describe specific mental states and classify them within a finite group of ...point, fMRI data is divided in two ...new fMRI activation pattern) using the created ...

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BOLD Response Selective to Flow-Motion in Very Young Infants.

BOLD Response Selective to Flow-Motion in Very Young Infants.

... the BOLD amplitude of PIVC/PIC is modulated by the strength in vection perception [39–43]: subjects with stronger vection illusion might show stronger negative ...

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Brain Computer Interface Boulevard of Smarter Thoughts

Brain Computer Interface Boulevard of Smarter Thoughts

... Keywords- Brain Computer Interface (BCI); Blood Oxygen Level Dependent (BOLD); Electrocorticography (ECoG); Practical Electrical Stimulation (PES); Electroencephalograp[r] ...

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CHARACTERIZATION OF OUTBREAK HEPATITIS A ISOLATES IN FIVE TUNISIAN CHILDCARE CENTERS Hakima Gharbi-Khelifi

CHARACTERIZATION OF OUTBREAK HEPATITIS A ISOLATES IN FIVE TUNISIAN CHILDCARE CENTERS Hakima Gharbi-Khelifi

... Amino acid sequences of the Tunisian HAV strains detected in the present study. are shown in bold[r] ...

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