Search Results - "Tachtsidis, I"

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  1. 1

    Quantification of inter-brain coupling: A review of current methods used in haemodynamic and electrophysiological hyperscanning studies by Hakim, U, De Felice, S, Pinti, P, Zhang, X, Noah, J.A, Ono, Y, Burgess, P.W., Hamilton, A, Hirsch, J, Tachtsidis, I

    Published in NeuroImage (Orlando, Fla.) (15-10-2023)
    “…•215 hyperscanning publications were found from 2000-2022 computing inter-brain coupling.•Throughout these 27 different methods used to compute IBC.•fNIRS and…”
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    Journal Article
  2. 2

    Brain mitochondrial oxidative metabolism during and after cerebral hypoxia–ischemia studied by simultaneous phosphorus magnetic-resonance and broadband near-infrared spectroscopy by Bainbridge, A., Tachtsidis, I., Faulkner, S.D., Price, D., Zhu, T., Baer, E., Broad, K.D., Thomas, D.L., Cady, E.B., Robertson, N.J., Golay, X.

    Published in NeuroImage (Orlando, Fla.) (15-11-2014)
    “…Multimodal measurements combining broadband near-infrared spectroscopy (NIRS) and phosphorus magnetic resonance spectroscopy (31P MRS) assessed associations…”
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    Journal Article
  3. 3

    Imaging Cerebral Energy Metabolism in Healthy Infants by Siddiqui, M F, Brigadoi, S, Collins-Jones, L, Lloyd-Fox, S, Jones, E J H, Tachtsidis, I, Johnson, M H, Elwell, C E

    “…Broadband near-infrared spectroscopy (bNIRS) has the potential to provide non-invasive measures of cerebral haemodynamic changes alongside changes in cellular…”
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    Journal Article
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    Spatial Distribution of Changes in Oxidised Cytochrome C Oxidase During Visual Stimulation Using Broadband Near Infrared Spectroscopy Imaging by Phan, P, Highton, D, Brigadoi, S, Tachtsidis, I, Smith, M, Elwell, C E

    “…Functional hyperaemia, characterised as an increase in concentration of oxyhaemoglobin [HbO2] and a decrease in concentration of deoxyhaemoglobin [HHb] in…”
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    Journal Article
  6. 6

    Changes in Cytochrome-C-Oxidase Account for Changes in Attenuation of Near-Infrared Light in the Healthy Infant Brain by Siddiqui, M F, Lloyd-Fox, S, Kaynezhad, P, Tachtsidis, I, Johnson, M H, Elwell, C E

    “…A novel multi-wavelength broadband near infrared spectroscopy (NIRS) system has been employed to simultaneously measure haemodynamic changes alongside changes…”
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    Journal Article
  7. 7

    Broadband NIRS Cerebral Evaluation of the Hemodynamic and Oxidative State of Cytochrome-c-Oxidase Responses to +Gz Acceleration in Healthy Volunteers by Lange, F, Bale, G, Kaynezhad, P, Pollock, R D, Stevenson, A, Tachtsidis, I

    “…We used a miniature broadband NIRS system to monitor concentration changes in brain oxygenation (oxy- and deoxy- haemoglobin [HbO ], [HHb]) and oxidised…”
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    Journal Article
  8. 8

    Synchronization between arterial blood pressure and cerebral oxyhaemoglobin concentration investigated by wavelet cross-correlation by Rowley, A B, Payne, S J, Tachtsidis, I, Ebden, M J, Whiteley, J P, Gavaghan, D J, Tarassenko, L, Smith, M, Elwell, C E, Delpy, D T

    Published in Physiological measurement (01-02-2007)
    “…Wavelet cross-correlation (WCC) is used to analyse the relationship between low-frequency oscillations in near-infrared spectroscopy (NIRS) measured cerebral…”
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    Journal Article
  9. 9

    A Fibreless Multiwavelength NIRS System for Imaging Localised Changes in Cerebral Oxidised Cytochrome C Oxidase by Highton, D, Chitnis, D, Brigadoi, S, Phan, P, Tachtsidis, I, Cooper, R, Everdell, N, Hebden, J, Smith, M, Elwell, C E

    “…Measurement of the oxidation state of cytochrome c oxidase (oxCCO) can inform directly on neuronal metabolism. Conventionally this has been measured in vivo…”
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    Journal Article
  10. 10

    In Vivo Imaging of Flavoprotein Fluorescence During Hypoxia Reveals the Importance of Direct Arterial Oxygen Supply to Cerebral Cortex Tissue by Chisholm, K I, Ida, K K, Davies, A L, Papkovsky, D B, Singer, M, Dyson, A, Tachtsidis, I, Duchen, M R, Smith, K J

    “…Live imaging of mitochondrial function is crucial to understand the important role played by these organelles in a wide range of diseases. The mitochondrial…”
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    Journal Article
  11. 11

    Simulation of Preterm Neonatal Brain Metabolism During Functional Neuronal Activation Using a Computational Model by Hapuarachchi, T, Scholkmann, F, Caldwell, M, Hagmann, C, Kleiser, S, Metz, A J, Pastewski, M, Wolf, M, Tachtsidis, I

    “…We present a computational model of metabolism in the preterm neonatal brain. The model has the capacity to mimic haemodynamic and metabolic changes during…”
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    Journal Article
  12. 12

    Effects of arterial blood gas levels on cerebral blood flow and oxygen transport by Payne, S J, Mohammad, J, Tisdall, M M, Tachtsidis, I

    Published in Biomedical optics express (01-04-2011)
    “…Near Infra-Red Spectroscopy (NIRS) is a non-invasive technique which can be used to investigate cerebral haemodynamics and oxygenation with high temporal…”
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    Journal Article
  13. 13

    166 Simultaneous 31P-Magnetic Resonance And Near-Infrared Spectroscopic Investigation of Brain Tissue Oxygenation, Cytochrome-C-Oxidase And Intracellular Metabolites During Perinatal Cerebral Hypoxia-Ischaemia by Tachtsidis, I, Bainbridge, A, Faulkner, S, Price, D, Powell, E, Thomas, D, Cady, E, Robertson, N, Golay, X

    Published in Archives of disease in childhood (01-10-2012)
    “…Background Hypoxic-ischaemic neonatal encephalopathy is associated with high mortality and morbidity rates worldwide. Aims To investigate brain haemodynamic,…”
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    Journal Article
  14. 14

    Investigation of in vivo measurement of cerebral cytochrome-c-oxidase redox changes using near-infrared spectroscopy in patients with orthostatic hypotension by Tachtsidis, I, Tisdall, M, Leung, T S, Cooper, C E, Delpy, D T, Smith, M, Elwell, C E

    Published in Physiological measurement (01-02-2007)
    “…We have previously used a continuous four-wavelength near-infrared spectrometer to measure changes in the cerebral concentrations of oxy-haemoglobin…”
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    Effects of arterial blood gas levels on cerebral blood flow and oxygen transport by Payne, S J, Mohammad, J, Tisdall, M M, Tachtsidis, I

    Published in Biomedical optics express (25-03-2011)
    “…Near Infra-Red Spectroscopy (NIRS) is a non-invasive technique which can be used to investigate cerebral haemodynamics and oxygenation with high temporal…”
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    Journal Article
  17. 17

    On the coupling and decoupling of mind wandering and perception: a shared metabolism account by Bruckmaier, M, Albrecht, V, Tachtsidis, I, Lavie, N

    Published in Cerebral cortex communications (01-10-2023)
    “…Abstract Introduction Mind wandering (MW) has been associated with reduced responsiveness to external stimuli (“perceptual decoupling”). Conversely, increased…”
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    Journal Article
  18. 18

    Having a chat and then watching a movie: how social interaction synchronises our brains during co-watching by De Felice, S, Hakim, U, Gunasekara, N, Pinti, P, Tachtsidis, I, Hamilton, A

    Published in Oxford Open Neuroscience (2024)
    “…How does co-presence change our neural experience of the world? Can a conversation change how we synchronise with our partner during later events? Using fNIRS…”
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    Journal Article
  19. 19

    The role of anterior prefrontal cortex (area 10) in face-to-face deception measured with fNIRS by Pinti, Paola, Devoto, Andrea, Greenhalgh, Isobel, Tachtsidis, Ilias, Burgess, Paul W, de C Hamilton, Antonia F

    “…Abstract Anterior prefrontal cortex (PFC, Brodmann area 10) activations are often, but not always, found in neuroimaging studies investigating deception, and…”
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    Journal Article
  20. 20

    Decoupling the influence of systemic variables in the peripheral and cerebral haemodynamics during ECMO procedure by means of oblique and orthogonal subspace projections by Caicedo, A., Tachtsidis, I., Papademetriou, M. D., Van Huffel, S.

    “…Extra-Corporeal Membrane Oxygenation (ECMO) is a life support system for infants and children with cardio-respiratory failure. During ECMO it is possible to…”
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    Conference Proceeding Journal Article