C. Elwell

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Measurement of cerebral blood flow in adult humans using near infrared spectroscopy--methodology and possible errors.

D. Delpy, C. Elwell, M. Cope, 1992, Advances in experimental medicine and biology.

Quantification of adult cerebral hemodynamics by near-infrared spectroscopy.

D. Delpy, C. Elwell, M. Cope, 1994, Journal of applied physiology.

The effect of scalp ischaemia on measurement of cerebral blood volume by near-infrared spectroscopy

D. Delpy, C. Elwell, J. Wyatt, 1996, Physiological measurement.

Oscillations in Cerebral Haemodynamics

D. Delpy, E. Hillman, C. Elwell, 1999 .

Measurement of CMRO2 in neonates undergoing intensive care using near infrared spectroscopy.

D. Delpy, C. Elwell, T. Austin, 2005, Advances in experimental medicine and biology.

Noninvasive Measurement of Cerebral Blood Flow in Adults Using Near-Infrared Spectroscopy and Indocyanine Green: A Pilot Study

D. Delpy, C. Elwell, M. Cope, 2002, Journal of neurosurgical anesthesiology.

Investigation of cerebral haemodynamics by near-infrared spectroscopy in young healthy volunteers reveals posture-dependent spontaneous oscillations.

D. Delpy, C. Elwell, T. Leung, 2004, Physiological measurement.

Canonical Correlation Analysis in the Study of Cerebral and Peripheral Haemodynamics Interrelations with Systemic Variables in Neonates Supported on ECMO

S. Van Huffel, M. Elliott, C. Elwell, 2012, Advances in experimental medicine and biology.

Implementing neuroimaging and eye tracking methods to assess neurocognitive development of young infants in low- and middle-income countries

Clare E. Elwell, Anna Blasi, Sarah Lloyd-Fox, 2019, Gates open research.

Implementing neuroimaging and eye tracking methods to assess neurocognitive development of young infants in low- and middle-income countries.

A. Blasi, C. Elwell, N. J. Hayes, 2019, Gates open research.

The emergence of cerebral specialization for the human voice over the first months of life

Mark H. Johnson, M. Johnson, E. Mercure, 2012, Social neuroscience.

Quantitative spatially resolved measurement of tissue chromophore concentrations using photoacoustic spectroscopy: application to the measurement of blood oxygenation and haemoglobin concentration

Jan Laufer, Paul Beard, Clare Elwell, 2007, Physics in medicine and biology.

Time course of the haemodynamic response to visual stimulation in migraine, measured using near-infrared spectroscopy

A. Wilkins, C. Elwell, C. Cooper, 2012, Cephalalgia : an international journal of headache.

Multi-channel multi-distance broadband near-infrared spectroscopy system to measure the spatial response of cellular oxygen metabolism and tissue oxygenation

C. Elwell, Martin Smith, I. Tachtsidis, 2016, Biomedical optics express.

Optical pathlength measurements on adult head, calf and forearm and the head of the newborn infant using phase resolved optical spectroscopy.

D. Delpy, C. Elwell, M. Cope, 1995, Physics in medicine and biology.

Spectral Dependence of Temporal Point Spread Functions in Human Tissues

S. Arridge, D. Delpy, C. Elwell, 2022 .

Cerebral Near-Infrared Spectroscopy in Adults: A Work in Progress

C. Elwell, Martin Smith, Arnab Ghosh, 2012, Anesthesia and analgesia.

Regional changes in cerebral haemodynamics as a result of a visual stimulus measured by near infrared spectroscopy

S. Zeki, D. Delpy, C. Elwell, 1995, Proceedings of the Royal Society of London. Series B: Biological Sciences.

Measurement of Cranial Optical Path Length as a Function of Age Using Phase Resolved Near Infrared Spectroscopy

D. Delpy, P. Fallon, C. Elwell, 1994 .

False positives in functional near-infrared topography.

P. H. Koh, C. Elwell, T. Leung, 2009, Advances in experimental medicine and biology.

Illuminating the developing brain: The past, present and future of functional near infrared spectroscopy

A. Blasi, C. Elwell, S. Lloyd-Fox, 2010, Neuroscience & Biobehavioral Reviews.

Functional near infrared spectroscopy (fNIRS) to assess cognitive function in infants in rural Africa.

A. Prentice, C. Elwell, N. Everdell, 2014, Scientific Reports.

Towards a wearable near infrared spectroscopic probe for monitoring concentrations of multiple chromophores in biological tissue in vivo.

C. Elwell, J. Hebden, N. Everdell, 2016, The Review of scientific instruments.

Habituation and novelty detection fNIRS brain responses in 5‐ and 8‐month‐old infants: The Gambia and UK

A. Blasi, C. Elwell, T. Austin, 2019, Developmental science.

Oscillations in cerebral haemodynamics. Implications for functional activation studies.

D. Delpy, E. Hillman, C. Elwell, 1999, Advances in experimental medicine and biology.

Measurement of cerebral tissue oxygenation in young healthy volunteers during acetazolamide provocation: a transcranial Doppler and near-infrared spectroscopy investigation.

D. Delpy, C. Elwell, I. Tachtsidis, 2008, Advances in experimental medicine and biology.

Continuous measurement of cerebral oxygenation by near infrared spectroscopy during induction of anesthesia.

C. Elwell, H. Owen-Reece, J. Goldstone, 1999, Anesthesia and analgesia.

Performance comparison of several published tissue near-infrared spectroscopy algorithms.

D. Delpy, C. Elwell, M. Cope, 1995, Analytical biochemistry.

Measurement of frontal lobe functional activation and related systemic effects: a near-infrared spectroscopy investigation.

D. Delpy, C. Elwell, T. Leung, 2008, Advances in experimental medicine and biology.

Functional optical topography analysis using Statistical Parametric Mapping (SPM) methodology with and without physiological confounds

P. H. Koh, C. Elwell, I. Tachtsidis, 2010, Advances in experimental medicine and biology.

The Noninvasive Measurement of Absolute Cerebral Deoxyhemoglobin Concentration and Mean Optical Path Length in the Neonatal Brain by Second Derivative Near Infrared Spectroscopy

D T Delpy, D. Delpy, C. Elwell, 1996, Pediatric Research.

Development of a Model to Aid NIRS Data Interpretation: Results from a Hypercapnia Study in Healthy Adults

C. Elwell, C. Cooper, I. Tachtsidis, 2012, Advances in experimental medicine and biology.

Adaptation of the Mullen Scales of Early Learning for use among infants aged 5‐ to 24‐months in rural Gambia

Sarah Lloyd-Fox, Clare Elwell, Bosiljka Milosavljevic, 2019, Developmental science.

Noninvasive measurement of human forearm oxygen consumption by near infrared spectroscopy

Marco Ferrari, Mark Cope, Clare E. Elwell, 1993, European Journal of Applied Physiology and Occupational Physiology.

Use of near infrared spectroscopy to estimate cerebral blood flow in conscious and anaesthetized adult subjects.

W Harkness, D T Delpy, M Smith, 1996, British journal of anaesthesia.

Near infrared spectroscopy.

M Smith, C. Elwell, H. Owen-Reece, 1999, British journal of anaesthesia.

Near Infrared Light Scattering Changes Following Acute Brain Injury

C. Elwell, I. Tachtsidis, D. Highton, 2015, Advances in experimental medicine and biology.

Hyperoxia results in increased aerobic metabolism following acute brain injury

C. Elwell, I. Tachtsidis, D. Highton, 2016, Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism.

Systematic investigation of changes in oxidized cerebral cytochrome c oxidase concentration during frontal lobe activation in healthy adults

Ilias Tachtsidis, Clare E. Elwell, Chris E. Cooper, 2012, Biomedical optics express.

Modelling Noninvasively Measured Cerebral Signals during a Hypoxemia Challenge: Steps towards Individualised Modelling

B. Jelfs, C. Elwell, C. Cooper, 2012, PLoS ONE.

Use of a Hybrid Optical Spectrometer for the Measurement of Changes in Oxidized Cytochrome c Oxidase Concentration and Tissue Scattering During Functional Activation

Ilias Tachtsidis, Clare E Elwell, Christina Kolyva, 2012, Advances in experimental medicine and biology.

Social perception in infancy: a near infrared spectroscopy study.

Nick Everdell, Mark H Johnson, Mark H. Johnson, 2009, Child development.

Theoretical investigation of measuring cerebral blood flow in the adult human head using bolus Indocyanine Green injection and near-infrared spectroscopy.

David T Delpy, Ilias Tachtsidis, Terence S Leung, 2007, Applied optics.

Estimation of cerebral oxy- and deoxy-haemoglobin concentration changes in a layered adult head model using near-infrared spectroscopy and multivariate statistical analysis

David T Delpy, Terence S Leung, Clare E Elwell, 2005, Physics in medicine and biology.

Dependence on NIRS Source-Detector Spacing of Cytochrome c Oxidase Response to Hypoxia and Hypercapnia in the Adult Brain

Ilias Tachtsidis, Clare E. Elwell, Christina Kolyva, 2013, Advances in experimental medicine and biology.

Muscle oxygen saturation measured using "cyclic NIR signals" during exercise.

T. Binzoni, C. Elwell, C. Cooper, 2010, Advances in experimental medicine and biology.

A new method to measure local oxygen consumption in human skeletal muscle during dynamic exercise using near-infrared spectroscopy

Dimitri Van De Ville, Terence S Leung, Clare E Elwell, 2010, Physiological measurement.

fNIRS for Tracking Brain Development in the Context of Global Health Projects

Clare E. Elwell, Anna Blasi, Sarah Lloyd-Fox, 2019, Photonics.

Oscillations in Cerebral Haemodynamics in Patients with Falciparum Malaria

C. Elwell, R. Maude, I. Tachtsidis, 2012, Advances in experimental medicine and biology.

Optical imaging of brain activation in Gambian infants.

A M Prentice, A. Prentice, C. Elwell, 2014, Advances in experimental medicine and biology.

Shedding Light on Brain Development

C. Elwell, 2014 .

Noninvasive cerebral oximetry: is there light at the end of the tunnel?

David Highton, Clare Elwell, C. Elwell, 2010, Current opinion in anaesthesiology.

Influence of Respiration and Changes in Expiratory Pressure on Cerebral Haemoglobin Concentration Measured by near Infrared Spectroscopy

D T Delpy, D. Delpy, C. Elwell, 1996, Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism.

Abnormal cerebral haemodynamics in perinatally asphyxiated neonates related to outcome

Clare E Elwell, C. Elwell, A. Edwards, 1999, Archives of disease in childhood. Fetal and neonatal edition.

Modelling of mitochondrial oxygen consumption and NIRS detection of cytochrome oxidase redox state

C. Elwell, C. Cooper, Martin Smith, 2010, Advances in experimental medicine and biology.

Modelling of indocyanine green boluses with a finite element model of the adult human head and the Fick principle

Simon R. Arridge, Martin Smith, Ilias Tachtsidis, 2006 .

Using fNIRS to Study Working Memory of Infants in Rural Africa.

A M Prentice, A. Prentice, C. Elwell, 2016, Advances in experimental medicine and biology.

Quantification of adult cerebral blood volume using the NIRS tissue oxygenation index.

David T Delpy, Ilias Tachtsidis, Terence S Leung, 2006, Advances in experimental medicine and biology.

Visually evoked haemodynamic responses in infants with cerebral pathology

C. Elwell, J. Wyatt, J. Meek, 1999, Pediatric Research.

Modelling Cerebrovascular Reactivity: A Novel Near-Infrared Biomarker of Cerebral Autoregulation?

C. Elwell, Martin Smith, I. Tachtsidis, 2012, Advances in experimental medicine and biology.

Frontal haemodynamic responses in depression and the effect of electroconvulsive therapy

R. Elliott, D. Downey, C. Elwell, 2019, Journal of psychopharmacology.

Correction to ‘Reduced neural sensitivity to social stimuli in infants at risk for autism’

M. Johnson, D. Murphy, A. Blasi, 2016, Proceedings of the Royal Society B: Biological Sciences.

Changes in cerebral blood volume with changes in position in awake and anesthetized subjects.

Clare E. Elwell, A. T. Lovell, J Goldstone, 2000 .

“Circadian Cortical Compensation”: A Longitudinal Study of Brain Function During Technical and Cognitive Skills in Acutely Sleep-Deprived Surgical Residents

Guang-Zhong Yang, Felipe Orihuela-Espina, Thanos Athanasiou, 2010, Annals of surgery.

Characterisation of a phantom for multiwavelength quantitative photoacoustic imaging

D. Delpy, C. Elwell, A. Oraevsky, 2016 .

Investigation of the cerebral haemoglobin and cytochrome signals using near infrared spectroscopy during head up tilt in patients with orthostatic hypotension

D. Delpy, C. Mathias, C. Elwell, 2005 .

Making light work : illuminating the future of Supplementary data

C. Elwell, C. Cooper, 2011 .

A new multichannel broadband near infrared spectroscopy system to measure the spatial distribution of cytochrome-c-oxidase and tissue oxygenation

C. Elwell, Martin Smith, I. Tachtsidis, 2016 .

Reply to ‘Comment on “Estimating a modified Grubb's exponent in healthy human brains with near infrared spectroscopy and transcranial Doppler”’

C. Elwell, T. Leung, Martin Smith, 2009, Physiological measurement.

Brain Imaging for Global Health.

C. Elwell, 2020, Journal of neurosurgical anesthesiology.

Comparison of local adipose tissue content and SRS-derived NIRS muscle oxygenation measurements in 90 individuals.

C. Elwell, C. Cooper, C. Angus, 2010, Advances in experimental medicine and biology.

Monitoring Cerebral Autoregulation After Brain Injury: Multimodal Assessment of Cerebral Slow-Wave Oscillations Using Near-Infrared Spectroscopy

C. Elwell, Martin Smith, I. Tachtsidis, 2015, Anesthesia and analgesia.

Neural Marker of Habituation at 5 Months of Age Associated with Deferred Imitation Performance at 12 Months: A Longitudinal Study in the UK and The Gambia

C. Elwell, Laura Katus, Samantha McCann, 2022, Children.

Optical pathlength measurements on adult head, calf and forearm and the head of the newborn infant using phase resolved optical spectroscopy.

D. Delpy, C. Elwell, M. Cope, 1995, Physics in medicine and biology.

Mapping human social brain specialisation beyond the neuron using multimodal imaging in human infants

C. Elwell, I. Tachtsidis, S. Brigadoi, 2022, bioRxiv.

Investigating Cross-talk in Cytochrome C Oxidase Concentration Quantification using Near Infrared Spectroscopy in a Two-layered Model

C. Elwell, C. Cooper, T. Leung, 2008 .

Cerebral blood flow assessment with indocyanine green bolus transit detection by near-infrared spectroscopy before and after acetazolamide challenge in humans

D. Delpy, C. Elwell, T. Leung, 2006 .

Best practices for fNIRS publications

Alessandro Torricelli, Martin Wolf, Heidrun Wabnitz, 2021, Neurophotonics.

Modelling confounding effects from extracerebral contamination and systemic factors on functional near-infrared spectroscopy

Matthew Caldwell, Martin Wolf, Ursula Wolf, 2016, NeuroImage.

fNIRS in Africa & Asia: an Objective Measure of Cognitive Development for Global Health Settings

Katherine L. Perdue, A. Prentice, A. Blasi, 2016 .

Changes in Cerebral Blood Volume with Change in Posture Measured by Near Infrared Spectroscopy

C. Elwell, H. Owen-Reece, J. Goldstone, 1997 .

Jugular venous bulb oxygen saturation compared with cerebral saturation measured by near infrared spectroscopy.

C. Elwell, H. Owen-Reece, J. Goldstone, 1997 .

Comparison of the immediate effects of induction of anaesthesia with etomidate, propofol and thiopentone on cerebral haemodynamics

C. Elwell, H. Owen-Reece, J. Goldstone, 1997 .

Changes in Cytochrome-C-Oxidase Account for Changes in Attenuation of Near-Infrared Light in the Healthy Infant Brain

C. Elwell, I. Tachtsidis, S. Lloyd-Fox, 2018, Advances in experimental medicine and biology.

Habitual night waking associates with dynamics of waking cortical theta power in infancy

C. Elwell, E. Jones, F. Wiesemann, 2022, Developmental psychobiology.

Regional cerebral oxygenation measured by multichannel near-infrared spectroscopy (optical topography) in an infant supported on venoarterial extracorporeal membrane oxygenation

M. Elliott, C. Elwell, I. Tachtsidis, 2011, The Journal of thoracic and cardiovascular surgery.

The Effect on Cerebral Tissue Oxygenation Index of Changes in the Concentrations of Inspired Oxygen and End-Tidal Carbon Dioxide in Healthy Adult Volunteers

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2009, Anesthesia and analgesia.

Wavelet Cross-Correlation to Investigate Regional Variations in Cerebral Oxygenation in Infants Supported on Extracorporeal Membrane Oxygenation

Ilias Tachtsidis, Clare E. Elwell, Martin J. Elliott, 2012, Advances in experimental medicine and biology.

Multichannel near infrared spectroscopy indicates regional variations in cerebral autoregulation in infants supported on extracorporeal membrane oxygenation.

Ilias Tachtsidis, Clare E Elwell, C. Elwell, 2012, Journal of biomedical optics.

Wavelet synchronization index to assess variations in regional cerebral oxygenation in infants on life support

M. Elliott, C. Elwell, I. Tachtsidis, 2012 .

Cerebral and Peripheral Tissue Oxygenation in Children supported on ECMO for Cardio-Respiratory failure

Ilias Tachtsidis, Clare E. Elwell, Terence S. Leung, 2010, Advances in experimental medicine and biology.

Measuring Cerebral Oxygenation During Normobaric Hyperoxia: A Comparison of Tissue Microprobes, Near-Infrared Spectroscopy, and Jugular Venous Oximetry in Head Injury

Mark Cope, Clare Elwell, C. Elwell, 2003, Anesthesia and analgesia.

A comparison of cerebral oxygenation as measured by the NIRO 300 and the INVOS 5100 Near‐Infrared Spectrophotometers

M Smith, C. Elwell, M. Smith, 2002, Anaesthesia.

Changes in cerebral oxygenation and haemodynamics during postural blood pressure changes in patients with autonomic failure

Ilias Tachtsidis, Clare Elwell, C. Mathias, 2006, Physiological measurement.

Randomised controlled trial of ketamine augmentation of electroconvulsive therapy to improve neuropsychological and clinical outcomes in depression (Ketamine-ECT study)

G. Dunn, R. Elliott, S. Williams, 2017 .

Measuring Brain Function in Newborns in Rural Gambia

A. Prentice, C. Elwell, K. Begus, 2015 .

Assessment of the cerebral cortex during motor task behaviours in adults: A systematic review of functional near infrared spectroscopy (fNIRS) studies

Guang-Zhong Yang, Felipe Orihuela-Espina, Ara Darzi, 2011, NeuroImage.

Bicuculline-induced seizures: a challenge for optical and biochemical modeling of the cytochrome oxidase CuA NIRS signal.

D. Delpy, C. Elwell, M. Cope, 2009, Advances in experimental medicine and biology.

Regional Haemodynamic and Metabolic Coupling in Infants

Mark H. Johnson, C. Elwell, I. Tachtsidis, 2022, Frontiers in Human Neuroscience.

Estimating a modified Grubb's exponent in healthy human brains with near infrared spectroscopy and transcranial Doppler

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2009, Physiological measurement.

Wavelength dependence of the differential pathlength factor and the log slope in time-resolved tissue spectroscopy.

S R Arridge, D T Delpy, S. Arridge, 1993, Advances in experimental medicine and biology.

Spectral characteristics of spontaneous oscillations in cerebral haemodynamics are posture dependent.

D. Delpy, C. Elwell, T. Leung, 2003, Advances in experimental medicine and biology.

changesmeasurements of cerebral hemoglobin Experimental and theoretical comparison of NIR

P. Pasqualetti, P. Rossini, D. Delpy, 2015 .

Experimental and theoretical comparison of NIR spectroscopy measurements of cerebral hemoglobin changes.

D T Delpy, D. Delpy, C. Elwell, 1998, Journal of applied physiology.

Changes in prefrontal cortical behaviour depend upon familiarity on a bimanual co-ordination task: An fNIRS study

Guang-Zhong Yang, Felipe Orihuela-Espina, David T. Delpy, 2008, NeuroImage.

Early cortical specialization for face-to-face communication in human infants

Fani Deligianni, Mark H Johnson, Mark H. Johnson, 2008, Proceedings of the Royal Society B: Biological Sciences.

Mitochondrial Dysfunction in Autism Spectrum Disorders.

Mark H Johnson, Mark H. Johnson, Clare Elwell, 2016, Autism-open access.

Cerebral Blood Flow Is Independent of Mean Arterial Blood Pressure in Preterm Infants Undergoing Intensive Care

C. Elwell, J. Wyatt, L. Tyszczuk, 1998, Pediatrics.

Continuous measurement of cerebral oxygenation by NIRS during induction of anaesthesia.

C. Elwell, H. Owen-Reece, J. Goldstone, 1997, Advances in experimental medicine and biology.

Increase in cerebral aerobic metabolism by normobaric hyperoxia after traumatic brain injury.

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2008, Journal of neurosurgery.

Twenty years of functional near-infrared spectroscopy: introduction for the special issue

David A. Boas, Marco Ferrari, Clare E. Elwell, 2014, NeuroImage.

Cortical Activation to Action Perception is Associated with Action Production Abilities in Young Infants

Clare E. Elwell, Rachel Wu, Mark H. Johnson, 2013, Cerebral cortex.

Near infrared spectroscopy as a noninvasive assessment of cortical abnormality in migraine?

Arnold J Wilkins, Clare E Elwell, Murray Griffin, 2006, Advances in experimental medicine and biology.

Cortical responses before 6 months of life associate with later autism

T Charman, P. Bolton, A. Pickles, 2017, The European journal of neuroscience.

Reduced neural sensitivity to social stimuli in infants at risk for autism

T. Charman, M. Johnson, D. Murphy, 2013, Proceedings of the Royal Society B: Biological Sciences.

From Jöbsis to the present day: a review of clinical near-infrared spectroscopy measurements of cerebral cytochrome-c-oxidase

Gemma Bale, Ilias Tachtsidis, Clare E Elwell, 2016, Journal of biomedical optics.

Measurement of changes in cytochrome oxidase redox state during obstructive sleep apnea using near-infrared spectroscopy.

Himender Makker, Clare Elwell, C. Elwell, 2003, Sleep.

Low cerebral blood flow is a risk factor for severe intraventricular haemorrhage

Judith Meek, Clare E. Elwell, Js Wyatt, 1999 .

Noninvasive measurement of forearm oxygen consumption during exercise by near infrared spectroscopy.

C. Elwell, M. Cope, M. Ferrari, 1994, Advances in experimental medicine and biology.

Test–retest reliability of functional near infrared spectroscopy in infants

Mark H. Johnson, Anna Blasi, Sarah Lloyd-Fox, 2014, Neurophotonics.

Measurement of the absolute optical properties and cerebral blood volume of the adult human head with hybrid differential and spatially resolved spectroscopy

David T Delpy, Ilias Tachtsidis, Terence S Leung, 2006, Physics in medicine and biology.

Cerebral blood flow increases over the first three days of life in extremely preterm neonates

Clare E Elwell, C. Elwell, J. Wyatt, 1998, Archives of disease in childhood. Fetal and neonatal edition.

Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system

Jeremy C. Hebden, Robert J. Cooper, Samuel Powell, 2016, Biomedical optics express.

Regional Hemodynamic Responses to Visual Stimulation in Awake Infants

Janette Atkinson, Oliver Braddick, Clare E Elwell, 1998, Pediatric Research.

Ketamine augmentation of electroconvulsive therapy to improve neuropsychological and clinical outcomes in depression (Ketamine-ECT): a multicentre, double-blind, randomised, parallel-group, superiority trial

G. Dunn, R. Elliott, S. Williams, 2017, The lancet. Psychiatry.

Cortical specialisation to social stimuli from the first days to the second year of life: A rural Gambian cohort

Mark H. Johnson, A. Prentice, A. Blasi, 2016, Developmental Cognitive Neuroscience.

Development of a dynamic test phantom for optical topography.

P. H. Koh, D. Delpy, C. Elwell, 2009, Advances in experimental medicine and biology.

Cerebral Hemodynamic Effects of Treatment with Modified Natural Surfactant Investigated by Near Infrared Spectroscopy

D. Delpy, C. Elwell, M. Cope, 1992, Pediatric Research.

Relationship between brain tissue haemodynamics, oxygenation and metabolism in the healthy human adult brain during hyperoxia and hypercapnea.

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2009, Advances in experimental medicine and biology.

Concordance between subjective and objective measures of infant sleep varies by age and maternal mood: Implications for studies of sleep and cognitive development

C. Elwell, E. Jones, F. Wiesemann, 2021, Infant behavior & development.

Shedding Light on the Brain

Paul Beard, Clare Elwell, C. Elwell, 2005 .

Making light work: illuminating the future of biomedical optics

Clare E Elwell, Christina Kolyva, C. Elwell, 2011, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

Selective Cortical Mapping of Biological Motion Processing in Young Infants

Nick Everdell, Clare E. Elwell, Mark H. Johnson, 2011, Journal of Cognitive Neuroscience.

Coregistering functional near-infrared spectroscopy with underlying cortical areas in infants

Declan G. M. Murphy, Clare E. Elwell, Mark H. Johnson, 2014, Neurophotonics.

Optical Topography to measure variations in Regional Cerebral Oxygenation in an Infant supported on veno-arterial Extra-Corporeal Membrane Oxygenation

Ilias Tachtsidis, Clare E. Elwell, Murad Banaji, 2012, Advances in experimental medicine and biology.

Investigation of depth dependent changes in cerebral haemodynamics during face perception in infants

Mark H. Johnson, A P Gibson, N Everdell, 2007, Physics in medicine and biology.

A Model of Brain Circulation and Metabolism: NIRS Signal Changes during Physiological Challenges

Clare E. Elwell, Murad Banaji, Chris E. Cooper, 2008, PLoS Comput. Biol..

Comparison of Parametric and non-Parametric Data Analysis Packages for Near-Infrared Spectroscopy Functional Activation Studies.

Peck H. Koh, Clare E. Elwell, Anna Blasi, 2008 .

Functional optical signal analysis: a software tool for near-infrared spectroscopy data processing incorporating statistical parametric mapping.

Guillaume Flandin, David T Delpy, Atsushi Maki, 2007, Journal of biomedical optics.

ERP markers are associated with neurodevelopmental outcomes in 1–5 month old infants in rural Africa and the UK

Clare E. Elwell, Sarah Lloyd-Fox, Michelle de Haan, 2020, NeuroImage.

Oxygen Transport to Tissue XXXVII

Clare E. Elwell, David K. Harrison, Terence S. Leung, 2016, Advances in Experimental Medicine and Biology.

Warm-up effects on muscle oxygenation, metabolism and sprint cycling performance

C. Elwell, C. Cooper, T. Leung, 2012, European Journal of Applied Physiology.

Optical Mapping of the Frontal Cortex During a Surgical Knot-Tying Task, a Feasibility Study

Rajesh Aggarwal, Guang-Zhong Yang, Fani Deligianni, 2006, MIAR.

Three-dimensional optical topography of brain activity in infants watching videos of human movement

Nick Everdell, Anna Blasi, Sarah Lloyd-Fox, 2012, Physics in medicine and biology.

A portable wireless near-infrared spatially resolved spectroscopy system for use on brain and muscle.

C. Elwell, N. Everdell, D. Airantzis, 2013, Medical engineering & physics.

Measurement of hemoglobin flow and blood flow by near-infrared spectroscopy.

D T Delpy, D. Delpy, C. Elwell, 1993, Journal of applied physiology.

A New Method for the Measurement of Cerebral Blood Volume and Total Circulating Blood Volume Using Near Infrared Spatially Resolved Spectroscopy and Indocyanine Green: Application and Validation in Neonates

David T Delpy, Terence S Leung, Clare E Elwell, 2004, Pediatric Research.

Longitudinal fNIRS and EEG metrics of habituation and novelty detection are correlated in 1–18-month-old infants

A. Blasi, C. Elwell, M. Haan, 2023, NeuroImage.

Longitudinal infant fNIRS channel-space analyses are robust to variability parameters at the group-level: An image reconstruction investigation

Robert J. Cooper, Clare E. Elwell, Anna Blasi, 2021, NeuroImage.

Changes in Cerebral Blood Volume with Changes in Position in Awake and Anesthetized Subjects

C. Elwell, J. Goldstone, Martin Smith, 2000, Anesthesia and analgesia.

Near-infrared spectroscopic quantification of changes in the concentration of oxidized cytochrome c oxidase in the healthy human brain during hypoxemia.

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2007, Journal of biomedical optics.

Using functional near‐infrared spectroscopy to assess social information processing in poor urban Bangladeshi infants and toddlers

Sarah Lloyd-Fox, Katherine L. Perdue, Rashidul Haque, 2019, Developmental science.

Making light work: illuminating the future of biomedical optics

Clare E Elwell, Chris E Cooper, C. Elwell, 2011, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

BrainSignals Revisited: Simplifying a Computational Model of Cerebral Physiology

Matthew Caldwell, Ilias Tachtsidis, Tharindi Hapuarachchi, 2015, PloS one.

Changes in the attenuation of near infrared spectra by the healthy adult brain during hypoxaemia cannot be accounted for solely by changes in the concentrations of oxy- and deoxy-haemoglobin.

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2008, Advances in experimental medicine and biology.

Britton Chance 1913–2010

D. Delpy, C. Elwell, C. Cooper, 2011, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

Investigation of oxygen saturation derived from cardiac pulsations measured on the adult head using NIR spectroscopy.

Martin Smith, David T Delpy, Ilias Tachtsidis, 2006, Advances in experimental medicine and biology.

Normobaric Hyperoxia Does Not Change Optical Scattering or Pathlength but Does Increase Oxidised Cytochrome c Oxidase Concentration in Patients with Brain Injury

Ilias Tachtsidis, Christina Kolyva, David Highton, 2012, Advances in experimental medicine and biology.

Near-infrared spectroscopy: shedding light on the injured brain.

Clare Elwell, C. Elwell, Martin R. Smith, 2009, Anesthesia and analgesia.

Non-invasive measurement of a metabolic marker of infant brain function

Ilias Tachtsidis, Clare E. Elwell, Mark H. Johnson, 2017, Scientific Reports.

Image reconstruction of oxidized cerebral cytochrome C oxidase changes from broadband near-infrared spectroscopy data

Sabrina Brigadoi, Robert J Cooper, Ilias Tachtsidis, 2017, Neurophotonics.

Near infrared spectroscopy reveals neural activation during face perception in infants and adults

Mark H. Johnson, A. Volein, G. Csibra, 2004, Journal of Pediatric Neurology.

measuremention threshold through direct optical Noninvasive determination of exercise-induced

Marco Ferrari, Valentina Quaresima, Stuart M. C. Lee, 2015 .

REVIEW ARTICLE Near infrared spectroscopy

C. Elwell, H. Owen-Reece, J. Goldstone, 1999 .

Measurement of adult cerebral haemodynamics using near infrared spectroscopy.

D T Delpy, D. Delpy, C. Elwell, 1993, Acta neurochirurgica. Supplementum.

Spatial sensitivity and penetration depth of three cerebral oxygenation monitors.

Ilias Tachtsidis, Terence S Leung, Clare E Elwell, 2014, Biomedical optics express.

Cytochrome c oxidase response to changes in cerebral oxygen delivery in the adult brain shows higher brain-specificity than haemoglobin☆

Martin Smith, Arnab Ghosh, Ilias Tachtsidis, 2014, NeuroImage.

Reduction of Cytochrome c Oxidase During Vasovagal Hypoxia-Ischemia in Human Adult Brain: A Case Study

Ilias Tachtsidis, Clare E. Elwell, Christina Kolyva, 2013, Advances in experimental medicine and biology.

Changes in concentrations of oxidised cytochrome oxidase measured using both broadband and four wavelength near infrared spectroscopy reflect changes in oxygen delivery during hypoxaemia in healthy volunteers

C. Elwell, Martin Smith, I. Tachtsidis, 2006 .

Changes in cerebral total haemoglobin volume and cytochrome oxidase redox state during deep apnoeas in patients with obstructive sleep apnoea

D. Delpy, C. Elwell, C. Cooper, 2004 .

Investigation of frontal cortex, motor cortex and systemic haemodynamic changes during anagram solving.

David T Delpy, Ilias Tachtsidis, Terence S Leung, 2008, Advances in experimental medicine and biology.

Simultaneous measurement of cerebral tissue oxygenation over the adult frontal and motor cortex during rest and functional activation.

David T Delpy, Terence S Leung, Clare E Elwell, 2003, Advances in experimental medicine and biology.

Measurement of the optical properties of the adult human head with spatially resolved spectroscopy and changes of posture.

D. Delpy, C. Elwell, T. Leung, 2003, Advances in experimental medicine and biology.

New Method for the Calculation of Cerebral Blood Flow in Near-infrared Spectroscopy

D. Delpy, Ting-Yim Lee, C. Elwell, 1999, Proceedings of Inter-Institute Workshop on In Vivo Optical Imaging at the NIH.

Measurement of cerebral venous saturation in adults using near infrared spectroscopy.

D T Delpy, D. Delpy, C. Elwell, 1997, Advances in experimental medicine and biology.

Measurement of cerebral blood flow in adults using near infrared spectroscopy and indocyanine green

C. Elwell, F. Gora, J. Goldstone, 1999 .

Localised muscle tissue oxygenation during dynamic exercise with whole body vibration.

C. Elwell, A. Jiménez, D. Robbins, 2012, Journal of sports science & medicine.

Effect of blood in the cerebrospinal fluid on the accuracy of cerebral oxygenation measured by near infrared spectroscopy.

T S Leung, M Smith, C. Elwell, 2014, Advances in experimental medicine and biology.

Mathematical modelling of near-infrared spectroscopy signals and intracranial pressure in brain-injured patients.

C. Elwell, Martin Smith, D. Highton, 2013, Advances in experimental medicine and biology.

Pulsed near-infrared photoacoustic spectroscopy of blood

Paul C. Beard, Clare E. Elwell, Jan G. Laufer, 2004, SPIE BiOS.

Errata: Best practices for fNIRS publications

Alessandro Torricelli, Martin Wolf, Heidrun Wabnitz, 2021, Neurophotonics.

Measurement of Cranial Optical Path Length as a Function of Age Using Phase Resolved Near Infrared Spectroscopy

D. Delpy, P. Fallon, C. Elwell, 1996, Pediatric Research.

Cerebral tissue oxygen saturation calculated using low frequency haemoglobin oscillations measured by near infrared spectroscopy in adult ventilated patients.

David T Delpy, Ilias Tachtsidis, Terence S Leung, 2008, Advances in experimental medicine and biology.

Synchronization between arterial blood pressure and cerebral oxyhaemoglobin concentration investigated by wavelet cross-correlation

L. Tarassenko, D. Delpy, C. Elwell, 2007, Physiological measurement.

Effects of assuming constant optical scattering on haemoglobin concentration measurements using NIRS during a Valsalva Manoeuvre

M. Kohl-Bareis, C. Elwell, C. Cooper, 2011, Advances in experimental medicine and biology.

Rate of change in cerebral oxygenation and blood pressure in response to passive changes in posture: a comparison between pure autonomic failure patients and controls.

David T Delpy, Ilias Tachtsidis, Terence S Leung, 2005, Advances in experimental medicine and biology.

Standardising an infant fNIRS analysis pipeline to investigate neurodevelopment in global health

Laura Pirazzoli, Anna Blasi, Sarah Lloyd-Fox, 2020, Biophotonics Congress: Biomedical Optics 2020 (Translational, Microscopy, OCT, OTS, BRAIN).

A Fibreless Multiwavelength NIRS System for Imaging Localised Changes in Cerebral Oxidised Cytochrome C Oxidase.

C. Elwell, N. Everdell, J. Hebden, 2018, Advances in experimental medicine and biology.

A Hybrid Multi-Distance Phase and Broadband Spatially Resolved Spectrometer and Algorithm for Resolving Absolute Concentrations of Chromophores in the Near-Infrared Light Spectrum

Ilias Tachtsidis, Clare E. Elwell, Chris E. Cooper, 2010, Advances in experimental medicine and biology.

Measurement of the absolute optical properties and cerebral blood volume of the adult human head with hybrid differential and spatially resolved spectroscopy

D. Delpy, C. Elwell, T. Leung, 2006, Physics in medicine and biology.

Developing customized NIRS-EEG for infant sleep research: methodological considerations

C. Elwell, E. Jones, P. Pinti, 2023, Neurophotonics.

Randomised controlled trial of ketamine augmentation of electroconvulsive therapy to improve neuropsychological and clinical outcomes in depression (Ketamine-ECT study)

G. Dunn, R. Elliott, A. Blamire, 2017 .

Mitochondrial Dysfunction in Autism Spectrum Disorders.

Mark H. Johnson, C. Elwell, M. Siddiqui, 2016, Autism-open access.

Estimating a modified Grubb's exponent in healthy human brains with near infrared spectroscopy and transcranial Doppler

C. Elwell, Martin Smith, I. Tachtsidis, 2009, Physiological measurement.

Construction and validation of a database of head models for functional imaging of the neonatal brain

Liam H Collins-Jones, Tomoki Arichi, Tanya Poppe, 2020, Human brain mapping.

Functional near infrared spectroscopy (fNIRS) to assess cognitive function in infants in rural Africa.

C. Elwell, M. Papademetriou, M. Darboe, 2014, Scientific Reports.

Using fNIRS to Study Working Memory of Infants in Rural Africa.

A. Prentice, C. Elwell, M. Papademetriou, 2016, Advances in experimental medicine and biology.

Cortical mapping of 3D optical topography in infants.

Mark H Johnson, Mark H. Johnson, Clare E Elwell, 2013, Advances in experimental medicine and biology.

Automatic detection of motion artifacts in infant functional optical topography studies.

Clare E Elwell, Anna Blasi, Derrick Phillips, 2010, Advances in experimental medicine and biology.

A Practical Users Guide to Near Infrared Spectroscopy

Clare E. Elwell, C. Elwell, 1995 .

Estimation of cerebral oxy- and deoxy-haemoglobin concentration changes in a layered adult head model using near-infrared spectroscopy and multivariate statistical analysis

D. Delpy, C. Elwell, T. Leung, 2005, Physics in medicine and biology.

Low cerebral blood flow is a risk factor for severe intraventricular haemorrhage

C. Elwell, J. Wyatt, J. Meek, 1999, Archives of disease in childhood. Fetal and neonatal edition.

Investigation of cerebral haemodynamics by near-infrared spectroscopy in young healthy volunteers reveals posture-dependent spontaneous oscillations

D. Delpy, C. Elwell, T. Leung, 2004, Physiological measurement.

Investigation of the effects of hypocapnia upon cerebral haemodynamics in normal volunteers and anaesthetised subjects by near infrared spectroscopy (NIRS).

D. Delpy, C. Elwell, J. Wyatt, 1994, Advances in experimental medicine and biology.