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Andrei Irimia, PhD

Associate Professor of Gerontology, Quantitative & Computational Biology, Biomedical Engineering, and Neuroscience

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Phone +1 213 740 1710
Email irimia@usc.edu
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Publications

  • Identification and connectomic profiling of concussion using Bayesian machine learning J Neurotrauma. 2024 Mar 14. . View in PubMed
  • ENIGMA’s simple seven: Recommendations to enhance the reproducibility of resting-state fMRI in traumatic brain injury Neuroimage Clin. 2024 Mar 05; 42:103585. . View in PubMed
  • Prediction of cognitive outcome after mild traumatic brain injury from acute measures of communication within brain networks Cortex. 2024 Feb; 171:397-412. . View in PubMed
  • Poor oral health is associated with inflammation, aortic valve calcification, and brain volume among forager-farmers J Gerontol A Biol Sci Med Sci. 2024 Jan 31. . View in PubMed
  • Using Neuroimaging to Study Cerebral Amyloid Angiopathy and Its Relationship to Alzheimer’s Disease J Alzheimers Dis. 2024; 97(4):1479-1502. . View in PubMed
  • Multimodal Analysis of Secondary Cerebellar Alterations After Pediatric Traumatic Brain Injury JAMA Netw Open. 2023 Nov 01; 6(11):e2343410. . View in PubMed
  • Life After Mild Traumatic Brain Injury: Widespread Structural Brain Changes Associated With Psychological Distress Revealed With Multimodal Magnetic Resonance Imaging Biol Psychiatry Glob Open Sci. 2023 Jul; 3(3):374-385. . View in PubMed
  • 3D Printing and processing of miniaturized transducers with near-pristine piezoelectric ceramics for localized cavitation Nat Commun. 2023 Apr 27; 14(1):2418. . View in PubMed
  • Bridging Big Data: Procedures for Combining Non-equivalent Cognitive Measures from the ENIGMA Consortium bioRxiv. 2023 Apr 07. . View in PubMed
  • Challenges and opportunities for harmonization of cross-cultural neuropsychological data Neuropsychology. 2023 Mar; 37(3):237-246. . View in PubMed
  • Prevalence of dementia and mild cognitive impairment in indigenous Bolivian forager-horticulturalists Alzheimers Dement. 2023 01; 19(1):44-55. . View in PubMed
  • Structural-functional connectivity bandwidth predicts processing speed in mild traumatic brain Injury: A multiplex network analysis Neuroimage Clin. 2023; 38:103428. . View in PubMed
  • Testosterone is positively associated with coronary artery calcium in a low cardiovascular disease risk population Evol Med Public Health. 2023; 11(1):472-484. . View in PubMed
  • Significant Acceleration of Regional Brain Aging and Atrophy After Mild Traumatic Brain Injury J Gerontol A Biol Sci Med Sci. 2023 08 02; 78(8):1328-1338. . View in PubMed
  • Exploring personalized structural connectomics for moderate to severe traumatic brain injury Netw Neurosci. 2023; 7(1):160-183. . View in PubMed
  • Regional Neuroanatomic Effects on Brain Age Inferred Using Magnetic Resonance Imaging and Ridge Regression J Gerontol A Biol Sci Med Sci. 2023 06 01; 78(6):872-881. . View in PubMed
  • Brain volume, energy balance, and cardiovascular health in two nonindustrial South American populations Proc Natl Acad Sci U S A. 2023 03 28; 120(13):e2205448120. . View in PubMed
  • Altered lateralization of the cingulum in deployment-related traumatic brain injury: An ENIGMA military-relevant brain injury study Hum Brain Mapp. 2023 04 01; 44(5):1888-1900. . View in PubMed
  • Anatomically interpretable deep learning of brain age captures domain-specific cognitive impairment Proc Natl Acad Sci U S A. 2023 01 10; 120(2):e2214634120. . View in PubMed
  • Brain age estimation reveals older adults’ accelerated senescence after traumatic brain injury Geroscience. 2022 Jul 06. . View in PubMed
  • White matter degradation near cerebral microbleeds is associated with cognitive change after mild traumatic brain injury Neurobiol Aging. 2022 12; 120:68-80. . View in PubMed
  • Neuroanatomic Markers of Posttraumatic Epilepsy Based on MR Imaging and Machine Learning AJNR Am J Neuroradiol. 2022 03; 43(3):347-353. . View in PubMed
  • Older age, male sex, and cerebral microbleeds predict white matter loss after traumatic brain injury Geroscience. 2022 02; 44(1):83-102. . View in PubMed
  • Vascular Cognitive Impairment After Mild Stroke: Connectomic Insights, Neuroimaging, and Knowledge Translation Front Neurosci. 2022; 16:905979. . View in PubMed
  • Functional Connectome Dynamics After Mild Traumatic Brain Injury According to Age and Sex Front Aging Neurosci. 2022; 14:852990. . View in PubMed
  • Alzheimer’s disease after mild traumatic brain injury Aging (Albany NY). 2022 07 12; 14(13):5292-5293. . View in PubMed
  • Age-dependent white matter disruptions after military traumatic brain injury: Multivariate analysis results from ENIGMA brain injury Hum Brain Mapp. 2022 06 01; 43(8):2653-2667. . View in PubMed
  • Mild Traumatic Brain Injury Results in Significant and Lasting Cortical Demyelination Front Neurol. 2022; 13:854396. . View in PubMed
  • White Matter Disruption in Pediatric Traumatic Brain Injury: Results From ENIGMA Pediatric Moderate to Severe Traumatic Brain Injury Neurology. 2021 Jul 19; 97(3):e298-e309. . View in PubMed
  • A global collaboration to study intimate partner violence-related head trauma: The ENIGMA consortium IPV working group Brain Imaging Behav. 2021 Apr; 15(2):475-503. . View in PubMed
  • Coordinating Global Multi-Site Studies of Military-Relevant Traumatic Brain Injury: Opportunities, Challenges, and Harmonization Guidelines Brain Imaging Behav. 2021 Apr; 15(2):585-613. . View in PubMed
  • The ENIGMA sports injury working group:- an international collaboration to further our understanding of sport-related brain injury Brain Imaging Behav. 2021 Apr; 15(2):576-584. . View in PubMed
  • Toward a global and reproducible science for brain imaging in neurotrauma: the ENIGMA adult moderate/severe traumatic brain injury working group Brain Imaging Behav. 2021 Apr; 15(2):526-554. . View in PubMed
  • Acute cognitive impairment after traumatic brain injury predicts the occurrence of brain atrophy patterns similar to those observed in Alzheimer’s disease Geroscience. 2021 08; 43(4):2015-2039. . View in PubMed
  • Cross-Sectional Volumes and Trajectories of the Human Brain, Gray Matter, White Matter and Cerebrospinal Fluid in 9473 Typically Aging Adults Neuroinformatics. 2021 04; 19(2):347-366. . View in PubMed
  • Reduced Hippocampal GABA+ Is Associated With Poorer Episodic Memory in Healthy Older Women: A Pilot Study Front Behav Neurosci. 2021; 15:695416. . View in PubMed
  • The Indigenous South American Tsimane Exhibit Relatively Modest Decrease in Brain Volume With Age Despite High Systemic Inflammation J Gerontol A Biol Sci Med Sci. 2021 11 15; 76(12):2147-2155. . View in PubMed
  • Tractography methods and findings in brain tumors and traumatic brain injury Neuroimage. 2021 12 15; 245:118651. . View in PubMed
  • Mapping the rest of the human connectome: Atlasing the spinal cord and peripheral nervous system Neuroimage. 2021 01 15; 225:117478. . View in PubMed
  • Acute cognitive deficits after traumatic brain injury predict Alzheimer’s disease-like degradation of the human default mode network Geroscience. 2020 10; 42(5):1411-1429. . View in PubMed
  • Multimodal Imaging of Cerebral Microhemorrhages and White Matter Degradation in Geriatric Patients with Mild Traumatic Brain Injury Methods Mol Biol. 2020; 2144:223-236. . View in PubMed
  • Neuroimaging and Psychometric Assessment of Mild Cognitive Impairment After Traumatic Brain Injury Front Psychol. 2020; 11:1423. . View in PubMed
  • Neuroimaging of traumatic brain injury in military personnel: An overview J Clin Neurosci. 2019 Dec; 70:1-10. . View in PubMed
  • Post-Traumatic Cerebral Microhemorrhages and their Effects Upon White Matter Connectivity in the Aging Human Brain Annu Int Conf IEEE Eng Med Biol Soc. 2019 Jul; 2019:198-203. . View in PubMed
  • Mechanisms underlying the EEG biomarker in Dup15q syndrome Mol Autism. 2019; 10:29. . View in PubMed
  • The LONI QC System: A Semi-Automated, Web-Based and Freely-Available Environment for the Comprehensive Quality Control of Neuroimaging Data Front Neuroinform. 2019; 13:60. . View in PubMed
  • Brain Segmentation From Computed Tomography of Healthy Aging and Geriatric Concussion at Variable Spatial Resolutions Front Neuroinform. 2019; 13:9. . View in PubMed
  • Correction to: Mechanisms underlying the EEG biomarker in Dup15q syndrome Mol Autism. 2019; 10:37. . View in PubMed
  • Neuroinformatics and Analysis of Connectomic Alterations Due to Cerebral Microhemorrhages in Geriatric Mild Neurotrauma ACM BCB. 2018 Aug-Sep; 2018:165-171. . View in PubMed
  • Cerebral microhemorrhages due to traumatic brain injury and their effects on the aging human brain Neurobiol Aging. 2018 06; 66:158-164. . View in PubMed
  • Mild cognitive impairment and structural brain abnormalities in a sexagenarian with a history of childhood traumatic brain injury J Neurosci Res. 2018 04; 96(4):652-660. . View in PubMed
  • Macroscale White Matter Alterations Due to Traumatic Cerebral Microhemorrhages Are Revealed by Diffusion Tensor Imaging Front Neurol. 2018; 9:948. . View in PubMed
  • Corrigendum: Resting-State Functional Connectivity in Autism Spectrum Disorders: A Review Front Psychiatry. 2018; 9:268. . View in PubMed
  • Support Vector Machines, Multidimensional Scaling and Magnetic Resonance Imaging Reveal Structural Brain Abnormalities Associated With the Interaction Between Autism Spectrum Disorder and Sex Front Comput Neurosci. 2018; 12:93. . View in PubMed
  • Toward Precision and Reproducibility of Diffusion Tensor Imaging: A Multicenter Diffusion Phantom and Traveling Volunteer Study AJNR Am J Neuroradiol. 2017 Mar; 38(3):537-545. . View in PubMed
  • Mobile Monitoring of Traumatic Brain Injury in Older Adults: Challenges and Opportunities Neuroinformatics. 2017 07; 15(3):227-230. . View in PubMed
  • Multimodal Imaging of Neurometabolic Pathology due to Traumatic Brain Injury Trends Neurosci. 2017 01; 40(1):39-59. . View in PubMed
  • The connectomes of males and females with autism spectrum disorder have significantly different white matter connectivity densities Sci Rep. 2017 04 11; 7:46401. . View in PubMed
  • Clinical neuroimaging in the preterm infant: Diagnosis and prognosis Neuroimage Clin. 2017; 16:355-368. . View in PubMed
  • Traumatic Brain Injury Severity, Neuropathophysiology, and Clinical Outcome: Insights from Multimodal Neuroimaging Front Neurol. 2017; 8:530. . View in PubMed
  • Scale-Dependent Variability and Quantitative Regimes in Graph-Theoretic Representations of Human Cortical Networks Brain Connect. 2016 Mar; 6(2):152-63. . View in PubMed
  • Modeling 4D Pathological Changes by Leveraging Normative Models Comput Vis Image Underst. 2016 10; 151:3-13. . View in PubMed
  • Resting-State Functional Connectivity in Autism Spectrum Disorders: A Review Front Psychiatry. 2016; 7:205. . View in PubMed
  • Statistical estimation of physiological brain age as a descriptor of senescence rate during adulthood Brain Imaging Behav. 2015 Dec; 9(4):678-89. . View in PubMed
  • Altered viscerotopic cortical innervation in patients with irritable bowel syndrome Neurogastroenterol Motil. 2015 Aug; 27(8):1075-81. . View in PubMed
  • Multivariate morphological brain signatures predict patients with chronic abdominal pain from healthy control subjects Pain. 2015 Aug; 156(8):1545-1554. . View in PubMed
  • Epileptogenic focus localization in treatment-resistant post-traumatic epilepsy J Clin Neurosci. 2015 Apr; 22(4):627-31. . View in PubMed
  • Trajectory of frequency stability in typical development Brain Imaging Behav. 2015 Mar; 9(1):5-18. . View in PubMed
  • The DTI connectivity of the human claustrum Hum Brain Mapp. 2015 Mar; 36(3):827-38. . View in PubMed
  • Longitudinal quantification and visualization of intracerebral haemorrhage using multimodal magnetic resonance and diffusion tensor imaging Brain Inj. 2015; 29(4):438-45. . View in PubMed
  • Functional neuroimaging of traumatic brain injury: advances and clinical utility Neuropsychiatr Dis Treat. 2015; 11:2355-65. . View in PubMed
  • Variability of magnetoencephalographic sensor sensitivity measures as a function of age, brain volume and cortical area Clin Neurophysiol. 2014 Oct; 125(10):1973-84. . View in PubMed
  • Structural and connectomic neuroimaging for the personalized study of longitudinal alterations in cortical shape, thickness and connectivity after traumatic brain injury J Neurosurg Sci. 2014 Sep; 58(3):129-44. . View in PubMed
  • 4D ACTIVE CUT: AN INTERACTIVE TOOL FOR PATHOLOGICAL ANATOMY MODELING Proc IEEE Int Symp Biomed Imaging. 2014 Apr; 2014:529-532. . View in PubMed
  • Neuroinformatics challenges to the structural, connectomic, functional and electrophysiological multimodal imaging of human traumatic brain injury Front Neuroinform. 2014; 8:19. . View in PubMed
  • Systematic network lesioning reveals the core white matter scaffold of the human brain Front Hum Neurosci. 2014; 8:51. . View in PubMed
  • ANALYZING IMAGING BIOMARKERS FOR TRAUMATIC BRAIN INJURY USING 4D MODELING OF LONGITUDINAL MRI Proc IEEE Int Symp Biomed Imaging. 2013 Dec 31; 2013:1392-1395. . View in PubMed
  • Forward and inverse electroencephalographic modeling in health and in acute traumatic brain injury Clin Neurophysiol. 2013 Nov; 124(11):2129-45. . View in PubMed
  • Electroencephalographic inverse localization of brain activity in acute traumatic brain injury as a guide to surgery, monitoring and treatment Clin Neurol Neurosurg. 2013 Oct; 115(10):2159-65. . View in PubMed
  • Early metabolic crisis-related brain atrophy and cognition in traumatic brain injury Brain Imaging Behav. 2013 Sep; 7(3):307-15. . View in PubMed
  • Multimodal deformable registration of traumatic brain injury MR volumes via the Bhattacharyya distance IEEE Trans Biomed Eng. 2013 Sep; 60(9):2511-20. . View in PubMed
  • DTI tractography and white matter fiber tract characteristics in euthymic bipolar I patients and healthy control subjects Brain Imaging Behav. 2013 Jun; 7(2):129-39. . View in PubMed
  • The structural, connectomic and network covariance of the human brain Neuroimage. 2013 Feb 01; 66:489-99. . View in PubMed
  • Modeling 4D Changes in Pathological Anatomy using Domain Adaptation: Analysis of TBI Imaging using a Tumor Database Multimodal Brain Image Anal (2013). 2013; 8159:31-39. . View in PubMed
  • Circular representation of human cortical networks for subject and population-level connectomic visualization Neuroimage. 2012 Apr 02; 60(2):1340-51. . View in PubMed
  • A Patient-Specific Segmentation Framework for Longitudinal MR Images of Traumatic Brain Injury Proc SPIE Int Soc Opt Eng. 2012 Mar 23; 8314:831402. . View in PubMed
  • Source cancellation profiles of electroencephalography and magnetoencephalography Neuroimage. 2012 Feb 01; 59(3):2464-74. . View in PubMed
  • Neuroimaging of structural pathology and connectomics in traumatic brain injury: Toward personalized outcome prediction Neuroimage Clin. 2012; 1(1):1-17. . View in PubMed
  • Mapping connectivity damage in the case of Phineas Gage PLoS One. 2012; 7(5):e37454. . View in PubMed
  • Patient-tailored connectomics visualization for the assessment of white matter atrophy in traumatic brain injury Front Neurol. 2012; 3:10. . View in PubMed
  • SEGMENTATION OF SERIAL MRI OF TBI PATIENTS USING PERSONALIZED ATLAS CONSTRUCTION AND TOPOLOGICAL CHANGE ESTIMATION Proc IEEE Int Symp Biomed Imaging. 2012; 1152-1155. . View in PubMed
  • Theta oscillations are sensitive to both early and late conflict processing stages: effects of alcohol intoxication PLoS One. 2012; 7(8):e43957. . View in PubMed
  • Comparison of acute and chronic traumatic brain injury using semi-automatic multimodal segmentation of MR volumes J Neurotrauma. 2011 Nov; 28(11):2287-306. . View in PubMed
  • Sequential temporo-fronto-temporal activation during monitoring of the auditory environment for temporal patterns Hum Brain Mapp. 2011 Aug; 32(8):1260-76. . View in PubMed
  • Geometric metamorphosis Med Image Comput Comput Assist Interv. 2011; 14(Pt 2):639-46. . View in PubMed
  • Comparison of conventional filtering and independent component analysis for artifact reduction in simultaneous gastric EMG and magnetogastrography from porcines IEEE Trans Biomed Eng. 2009 Nov; 56(11):2611-8. . View in PubMed
  • Biomagnetic signatures of uncoupled gastric musculature Neurogastroenterol Motil. 2009 Jul; 21(7):778-e50. . View in PubMed
  • Partial independence of bioelectric and biomagnetic fields and its implications for encephalography and cardiography Phys Rev E Stat Nonlin Soft Matter Phys. 2009 May; 79(5 Pt 1):051908. . View in PubMed
  • Gastrointestinal arrhythmias are associated with statistically significant fluctuations in systemic information dimension Physiol Meas. 2008 May; 29(5):N33-40. . View in PubMed
  • Biomagnetic characterization of spatiotemporal parameters of the gastric slow wave Neurogastroenterol Motil. 2006 Aug; 18(8):619-31. . View in PubMed
  • An integrative software package for gastrointestinal biomagnetic data acquisition and analysis using SQUID magnetometers Comput Methods Programs Biomed. 2006 Aug; 83(2):83-94. . View in PubMed
  • Magnetogastrographic detection of gastric electrical response activity in humans Phys Med Biol. 2006 Mar 07; 51(5):1347-60. . View in PubMed
  • Artifact reduction in magnetogastrography using fast independent component analysis Physiol Meas. 2005 Dec; 26(6):1059-73. . View in PubMed
  • Ellipsoidal electrogastrographic forward modelling Phys Med Biol. 2005 Sep 21; 50(18):4429-44. . View in PubMed
  • Theoretical and computational multiple regression study of gastric electrical activity using dipole tracing from magnetic field measurements J Biol Phys. 2004 Sep; 30(3):239-59. . View in PubMed
  • Theoretical and computational methods for the noninvasive detection of gastric electrical source coupling Phys Rev E Stat Nonlin Soft Matter Phys. 2004 May; 69(5 Pt 1):051920. . View in PubMed
  • Theoretical ellipsoidal model of gastric electrical control activity propagation Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Nov; 68(5 Pt 1):051905. . View in PubMed

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