Helmet Karim
Helmet Karim
Assistant Professor of Psychiatry and Bioengineering at the University of Pittsburgh
Verified email at
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Functional near-infrared spectroscopy (fNIRS) of brain function during active balancing using a video game system
H Karim, B Schmidt, D Dart, N Beluk, T Huppert
Gait & posture 35 (3), 367-372, 2012
Drosophila Muller F Elements Maintain a Distinct Set of Genomic Properties Over 40 Million Years of Evolution
W Leung, CD Shaffer, LK Reed, ST Smith, W Barshop, W Dirkes, ...
G3: Genes, Genomes, Genetics 5 (5), 719-740, 2015
Sleep-wake differences in relative regional cerebral metabolic rate for glucose among patients with insomnia compared with good sleepers
DB Kay, HT Karim, AM Soehner, BP Hasler, KA Wilckens, JA James, ...
Sleep 39 (10), 1779-1794, 2016
Functional brain imaging of multi-sensory vestibular processing during computerized dynamic posturography using near-infrared spectroscopy
H Karim, SI Fuhrman, P Sparto, J Furman, T Huppert
Neuroimage 74, 318-325, 2013
Intrinsic functional connectivity in late-life depression: trajectories over the course of pharmacotherapy in remitters and non-remitters
HT Karim, C Andreescu, D Tudorascu, SF Smagula, MA Butters, JF Karp, ...
Molecular psychiatry 22 (3), 450-457, 2017
Functional MR imaging of a simulated balance task
HT Karim, PJ Sparto, HJ Aizenstein, JM Furman, TJ Huppert, KI Erickson, ...
Brain research 1555, 20-27, 2014
Subjective–Objective sleep discrepancy is associated with alterations in regional glucose metabolism in patients with insomnia and good sleeper controls
DB Kay, HT Karim, AM Soehner, BP Hasler, JA James, A Germain, ...
Sleep 40 (11), zsx155, 2017
Neurodevelopmental maturation as a function of irritable temperament: Insights from a naturalistic emotional video viewing paradigm
HT Karim, SB Perlman
Human Brain Mapping 38 (10), 5307-5321, 2017
Neuroimaging to detect cortical projection of vestibular response to caloric stimulation in young and older adults using functional near-infrared spectroscopy (fNIRS)
HT Karim, SI Fuhrman, JM Furman, TJ Huppert
Neuroimage 76, 1-10, 2013
Reproducibility and bias in healthy brain segmentation: comparison of two popular neuroimaging platforms
DL Tudorascu, HT Karim, JM Maronge, L Alhilali, S Fakhran, ...
Frontiers in neuroscience 10, 503, 2016
Neural architecture supporting active emotion processing in children: A multivariate approach
MC Camacho, HT Karim, SB Perlman
Neuroimage 188, 171-180, 2019
Motor sequence learning-induced neural efficiency in functional brain connectivity
HT Karim, TJ Huppert, KI Erickson, ME Wollam, PJ Sparto, E Sejdić, ...
Behavioural brain research 319, 87-95, 2017
Late-life depression and increased risk of dementia: a longitudinal cohort study
M Ly, HT Karim, JT Becker, OL Lopez, SJ Anderson, HJ Aizenstein, ...
Translational psychiatry 11 (1), 1-10, 2021
Acute trajectories of neural activation predict remission to pharmacotherapy in late-life depression
HT Karim, M Wang, C Andreescu, D Tudorascu, MA Butters, JF Karp, ...
NeuroImage: Clinical 19, 831-839, 2018
Improving brain age prediction models: incorporation of amyloid status in Alzheimer's disease
M Ly, ZY Gary, HT Karim, NR Muppidi, A Mizuno, WE Klunk, ...
Neurobiology of aging 87, 44-48, 2020
In the grip of worry: cerebral blood flow changes during worry induction and reappraisal in late-life generalized anxiety disorder
HT Karim, DL Tudorascu, MA Butters, S Walker, HJ Aizenstein, ...
Translational psychiatry 7 (8), e1204-e1204, 2017
Disruption of neural homeostasis as a model of relapse and recurrence in late-life depression
C Andreescu, O Ajilore, HJ Aizenstein, K Albert, MA Butters, BA Landman, ...
The American Journal of Geriatric Psychiatry 27 (12), 1316-1330, 2019
Functional imaging of cognition in an old-old population: A case for portable functional near-infrared spectroscopy
TJ Huppert, H Karim, CC Lin, BA Alqahtani, SL Greenspan, PJ Sparto
PloS one 12 (10), e0184918, 2017
Emotion reactivity and cerebrovascular burden in late-life GAD: a neuroimaging study
H Karim, DL Tudorascu, H Aizenstein, S Walker, R Good, C Andreescu
The American Journal of Geriatric Psychiatry 24 (11), 1040-1050, 2016
Effect of experimental manipulation of the orbitofrontal cortex on short-term markers of compulsive behavior: A theta burst stimulation study
RB Price, CM Gillan, C Hanlon, F Ferrarelli, T Kim, HT Karim, M Renard, ...
American Journal of Psychiatry 178 (5), 459-468, 2021
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