All Stories

  1. Development and Validation of the IC3: An Online Remote Assessment Technology for Deep Phenotyping and Monitoring of Cognitive Impairment After Stroke

    Article • Assessment, October 2025, SAGE Publications

    Dr Peter John Hellyer

  2. Mitigating the impact of motor impairment on self-administered digital tests: a longitudinal cohort study in stroke

    Article • EClinicalMedicine, October 2025, Elsevier

    Dr Peter John Hellyer

  3. Large-scale online assessment uncovers a distinct Multiple Sclerosis subtype with selective cognitive impairment

    Article • Nature Communications, September 2025, Springer Science + Business Media

    Dr Peter John Hellyer

  4. The optimisation of functional brain network dynamics when learning to perform complex tasks

    Article • Neuropsychologia, September 2025, Elsevier

    Dr Peter John Hellyer

  5. Changes in recreational drug use, reasons for those changes and their consequence during and after the COVID-19 pandemic in the UK

    Article • Comprehensive Psychiatry, July 2025, Elsevier

    Dr Peter John Hellyer

  6. Naturalistic use of psychedelics is associated with longitudinal improvements in anxiety and depression during global crisis times

    Article • Journal of Psychopharmacology, June 2025, SAGE Publications

    Dr Peter John Hellyer

  7. Beyond certification: Improving lifeguard drowning detection through validated tools and specialized training

    Article • International Journal of Industrial Ergonomics, May 2025, Elsevier

    Dr Benjamin T. Sharpe, Dr Peter John Hellyer

  8. Online46: Online cognitive assessments in elderly cohorts—The British 1946 birth cohort case study

    Article • Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring, April 2025, Wiley

    Dr Peter John Hellyer

  9. Transdiagnostic Compulsivity Traits in Problematic Use of the Internet Among UK Residents: Cross-Sectional Network Analysis Study

    Article • Journal of Medical Internet Research, March 2025, JMIR Publications Inc.

    Dr Jeggan Tiego, Dr Peter John Hellyer

  10. Remote cognitive tests predict neurodegenerative biomarkers in the Insight 46 cohort

    Article • Alzheimer s & Dementia, February 2025, Wiley

    Dr Peter John Hellyer

  11. An iterative approach for estimating domain-specific cognitive abilities from large scale online cognitive data

    Article • npj Digital Medicine, November 2024, Springer Science + Business Media

    Dr Peter John Hellyer

  12. Changes in memory and cognition during the SARS-CoV-2 human challenge study

    Article • EClinicalMedicine, October 2024, Elsevier

    Dr Peter John Hellyer

  13. Posthospitalization COVID-19 cognitive deficits at 1 year are global and associated with elevated brain injury markers and gray matter volume reduction

    Article • Nature Medicine, September 2024, Springer Science + Business Media

    Dr Cherie Armour, Dr Peter John Hellyer

  14. Transdiagnostic Compulsivity Traits in Problematic Use of the Internet Among UK Residents: Cross-Sectional Network Analysis Study (Preprint)

    Article • September 2024, JMIR Publications Inc.

    Dr Jeggan Tiego, Dr Peter John Hellyer

  15. Cognitive and psychiatric symptom trajectories 2–3 years after hospital admission for COVID-19: a longitudinal, prospective cohort study in the UK

    Article • The Lancet Psychiatry, September 2024, Elsevier

    MD Pilar Rivera Ortega, Dr Cherie Armour, Dr Peter John Hellyer, Dr dan Wootton

  16. Profiles of objective and subjective cognitive function in Post-COVID Syndrome, COVID-19 recovered, and COVID-19 naïve individuals

    Article • Scientific Reports, June 2024, Springer Science + Business Media

    Dr Peter John Hellyer

  17. Online cognitive monitoring technology for people with Parkinson’s disease and REM sleep behavioural disorder

    Article • npj Digital Medicine, May 2024, Springer Science + Business Media

    Dr Peter John Hellyer

  18. Remote digital cognitive assessment reveals cognitive deficits related to hippocampal atrophy in autoimmune limbic encephalitis: a cross-sectional validation study

    Article • EClinicalMedicine, March 2024, Elsevier

    Dr Peter John Hellyer

  19. Cognition and Memory after Covid-19 in a Large Community Sample

    Article • The New England Journal of Medicine and Surgery and the Collateral Branches of Science, February 2024, New England Journal of Medicine (NEJM/MMS)

    Dr Peter John Hellyer

  20. A systematic review of optical coherence tomography findings in adults with mild traumatic brain injury

    Article • Eye, January 2024, Springer Science + Business Media

    Dr Peter John Hellyer

  21. Conceptualising compulsivity through network analysis: A two-sample study

    Article • Comprehensive Psychiatry, November 2023, Elsevier

    Dr Jeggan Tiego, Dr Peter John Hellyer

  22. IC3 protocol: a longitudinal observational study of cognition after stroke using novel digital health technology

    Article • BMJ Open, November 2023, BMJ

    Dr Peter John Hellyer

  23. Cognition and lifeguard detection performance

    Article • Applied Cognitive Psychology, October 2023, Wiley

    Dr Benjamin T. Sharpe, Dr Peter John Hellyer

  24. The effects of COVID-19 on cognitive performance in a community-based cohort: a COVID symptom study biobank prospective cohort study

    Article • EClinicalMedicine, August 2023, Elsevier

    Dr Peter John Hellyer

  25. Mapping the sociodemographic distribution and self-reported justifications for non-compliance with COVID-19 guidelines in the United Kingdom

    Article • Frontiers in Psychology, July 2023, Frontiers

    Dr Peter John Hellyer

  26. Associations between the use of psychedelics and other recreational drugs with mental health and resilience during the COVID-19 pandemic

    Article • Frontiers in Psychiatry, June 2023, Frontiers

    Dr Peter John Hellyer

  27. Computerised cognitive assessment in patients with traumatic brain injury: an observational study of feasibility and sensitivity relative to established clinical scales

    Article • EClinicalMedicine, May 2023, Elsevier

    Dr Peter John Hellyer

  28. Measuring Compulsivity as a Self-Reported Multidimensional Transdiagnostic Construct: Large-Scale (N = 182,000) Validation of the Cambridge–Chicago Compulsivity Trait Scale

    Article • Assessment, January 2023, SAGE Publications

    Dr Jeggan Tiego, Dr Peter John Hellyer

  29. Automation and standardization of subject-specific region-of-interest segmentation for investigation of diffusion imaging in clinical populations

    Article • PLOS One, December 2022, PLOS

    Dr Peter John Hellyer

  30. A guided multiverse study of neuroimaging analyses

    Article • Nature Communications, June 2022, Springer Science + Business Media

    Dr Peter John Hellyer

  31. Item-level analysis of mental health symptom trajectories during the COVID-19 pandemic in the UK: Associations with age, sex and pre-existing psychiatric conditions

    Article • Comprehensive Psychiatry, April 2022, Elsevier

    Dr Peter John Hellyer

  32. Rapid vigilance and episodic memory decrements in COVID-19 survivors

    Article • Brain Communications, January 2022, Oxford University Press (OUP)

    Dr Peter John Hellyer

  33. “It’s not rocket science” and “It’s not brain surgery”—“It’s a walk in the park”: prospective comparative study

    Article • BMJ, December 2021, BMJ

    Dr Peter John Hellyer

  34. Insights into the impact on daily life of the COVID-19 pandemic and effective coping strategies from free-text analysis of people's collective experiences

    Article • Interface Focus, October 2021, Royal Society Publishing

    Dr Peter John Hellyer

  35. Cognitive deficits in people who have recovered from COVID-19

    Article • EClinicalMedicine, September 2021, Elsevier

    Dr Peter John Hellyer

  36. Author Correction: Associations between dimensions of behaviour, personality traits, and mental-health during the COVID-19 pandemic in the United Kingdom

    Article • Nature Communications, August 2021, Springer Science + Business Media

    Dr Peter John Hellyer

  37. Associations between dimensions of behaviour, personality traits, and mental-health during the COVID-19 pandemic in the United Kingdom

    Article • Nature Communications, July 2021, Springer Science + Business Media

    Dr Peter John Hellyer

  38. Rapid vigilance and episodic memory decrements in COVID-19 survivors

    Article • July 2021, Cold Spring Harbor Laboratory Press

    Dr Peter John Hellyer

  39. From biomechanics to pathology: predicting axonal injury from patterns of strain after traumatic brain injury

    Article • Brain, January 2021, Oxford University Press (OUP)

    Dr Peter John Hellyer

  40. Vestibular agnosia in traumatic brain injury and its link to imbalance

    Article • Brain, December 2020, Oxford University Press (OUP)

    Dr Peter John Hellyer

  41. Neuroimaging: into the Multiverse

    Article • October 2020, Cold Spring Harbor Laboratory Press

    Dr Peter John Hellyer

  42. Cognitive deficits in people who have recovered from COVID-19 relative to controls: An N=84,285 online study

    Article • October 2020, Cold Spring Harbor Laboratory Press

    Dr Peter John Hellyer

  43. Optimisation of functional network resources when learning behavioural strategies for performing complex tasks

    Article • June 2020, Cold Spring Harbor Laboratory Press

    Dr Peter John Hellyer

  44. Diffusion tensor imaging of lumbar spinal nerves reveals changes in microstructural integrity following decompression surgery associated with improvements in clinical symptoms: A case report

    Article • Magnetic Resonance Imaging, June 2020, Elsevier

    Dr Peter John Hellyer

  45. An automated machine learning approach to predict brain age from cortical anatomical measures

    Article • Human Brain Mapping, May 2020, Wiley

    Dr Peter John Hellyer

  46. Active Acquisition for multimodal neuroimaging

    Article • Wellcome Open Research, September 2019, Faculty of 1000, Ltd.

    Dr Peter John Hellyer

  47. A Large-Scale, Cross-Sectional Investigation Into the Efficacy of Brain Training

    Article • Frontiers in Human Neuroscience, July 2019, Frontiers

    Dr Peter John Hellyer

  48. Conflicting emergences. Weak vs. strong emergence for the modelling of brain function

    Article • Neuroscience & Biobehavioral Reviews, April 2019, Elsevier

    Dr Peter John Hellyer

  49. Mapping cortical surface features in treatment resistant schizophrenia with in vivo structural MRI

    Article • Psychiatry Research, April 2019, Elsevier

    Dr Peter John Hellyer

  50. Altered caudate connectivity is associated with executive dysfunction after traumatic brain injury

    Article • Brain, November 2017, Oxford University Press (OUP)

    Dr Peter John Hellyer

  51. From homeostasis to behavior: Balanced activity in an exploration of embodied dynamic environmental-neural interaction

    Article • PLoS Computational Biology, August 2017, PLOS

    Dr Peter John Hellyer

  52. Protein synthesis is associated with high-speed dynamics and broad-band stability of functional hubs in the brain

    Article • NeuroImage, July 2017, Elsevier

    Dr Peter John Hellyer

  53. Decoding Time-Varying Functional Connectivity Networks via Linear Graph Embedding Methods

    Article • Frontiers in Computational Neuroscience, March 2017, Frontiers

    Dr Peter John Hellyer

  54. Auditory and visual connectivity gradients in frontoparietal cortex

    Article • Human Brain Mapping, August 2016, Wiley

    Dr Peter John Hellyer

  55. Neural correlates of the LSD experience revealed by multimodal neuroimaging

    Article • Proceedings of the National Academy of Sciences, April 2016, Proceedings of the National Academy of Sciences

    Dr Peter John Hellyer

  56. Amyloid pathology and axonal injury after brain trauma

    Article • Neurology, February 2016, Wolters Kluwer Health

    Dr Peter John Hellyer

  57. Network mechanisms of intentional learning

    Article • NeuroImage, February 2016, Elsevier

    Dr Peter John Hellyer

  58. Local inhibitory plasticity tunes macroscopic brain dynamics and allows the emergence of functional brain networks

    Article • NeuroImage, January 2016, Elsevier

    Dr Peter John Hellyer

  59. Thalamic inflammation after brain trauma is associated with thalamo-cortical white matter damage

    Article • Journal of Neuroinflammation, December 2015, Springer Science + Business Media

    Dr Peter John Hellyer

  60. Effects of lesions on synchrony and metastability in cortical networks

    Article • NeuroImage, September 2015, Elsevier

    Dr Peter John Hellyer

  61. Dental students' perceptions of their experience at a residential outreach centre

    Article • BDJ, August 2015, Springer Science + Business Media

    Dr Peter John Hellyer

  62. Cognitive Flexibility through Metastable Neural Dynamics Is Disrupted by Damage to the Structural Connectome

    Article • Journal of Neuroscience, June 2015, Society for Neuroscience

    Dr Peter John Hellyer

  63. Dynamic Network Mechanisms of Relational Integration

    Article • Journal of Neuroscience, May 2015, Society for Neuroscience

    Dr Peter John Hellyer

  64. Disconnection of network hubs and cognitive impairment after traumatic brain injury

    Article • Brain, March 2015, Oxford University Press (OUP)

    Dr Peter John Hellyer

  65. Cascades and Cognitive State: Focused Attention Incurs Subcritical Dynamics

    Article • Journal of Neuroscience, March 2015, Society for Neuroscience

    Dr Peter John Hellyer

  66. Exploring spatiotemporal network transitions in task functional MRI

    Article • Human Brain Mapping, December 2014, Wiley

    Dr Peter John Hellyer

  67. Estimating time-varying brain connectivity networks from functional MRI time series

    Article • NeuroImage, December 2014, Elsevier

    Dr Peter John Hellyer

  68. Homological scaffolds of brain functional networks

    Article • Journal of The Royal Society Interface, October 2014, Royal Society Publishing

    Dr Peter John Hellyer

  69. The Control of Global Brain Dynamics: Opposing Actions of Frontoparietal Control and Default Mode Networks on Attention

    Article • Journal of Neuroscience, January 2014, Society for Neuroscience

    Dr Peter John Hellyer

  70. The entropic brain: a theory of conscious states informed by neuroimaging research with psychedelic drugs

    Article • Frontiers in Human Neuroscience, January 2014, Frontiers

    Dr Peter John Hellyer

  71. The neural basis of impaired self-awareness after traumatic brain injury

    Article • Brain, December 2013, Oxford University Press (OUP)

    Dr Peter John Hellyer

  72. The Neuroanatomical Correlates of Training-Related Perceptuo-Reflex Uncoupling in Dancers

    Article • Cerebral Cortex, September 2013, Oxford University Press (OUP)

    Dr Peter John Hellyer

  73. Pituitary dysfunction after blast traumatic brain injury

    Article • Annals of Neurology, September 2013, Wiley

    Dr Peter John Hellyer

  74. Individual prediction of white matter injury following traumatic brain injury

    Article • Annals of Neurology, February 2013, Wiley

    Dr Peter John Hellyer

  75. An Investigation of Twenty/20 Vision in Reading

    Article • Journal of Neuroscience, October 2011, Society for Neuroscience

    Dr Peter John Hellyer