Amritha Harikumar
PhD Candidate in Cognitive and Affective Neuroscience with extensive publications in cognitive neuroscience/AI/fMRI and SPECT imaging
Research Expertise
Publications
Fully automated estimation of fMRI guided SPECT brain networks and their functional network connectivity in schizophrenia patients vs controls: a NeuroMark ICA approach
May 09, 2025
Harikumar, A., Misiura, M., Amen, D., Keator, D., & Calhoun, V. D. (2025). Fully automated estimation of fMRI guided SPECT brain networks and their functional network connectivity in schizophrenia patients vs controls: a NeuroMark ICA approach. https://doi.org/10.31234/osf.io/3ry6c_v3
Neural correlates of personal space regulation in psychosis: role of the inferior parietal cortex
Molecular Psychiatry / Feb 03, 2025
Vinke, L. N., Avanaki, M., Jeffrey, C., Harikumar, A., Mow, J. L., Tootell, R. B. H., DeTore, N. R., & Holt, D. J. (2025). Neural correlates of personal space regulation in psychosis: role of the inferior parietal cortex. Molecular Psychiatry. https://doi.org/10.1038/s41380-025-02906-4
Subclinical depressive symptoms and job stress differentially impact memory in working and retired older adults
Scientific Reports / Jan 25, 2025
Ferguson, L. A., Harikumar, A., & Leal, S. L. (2025). Subclinical depressive symptoms and job stress differentially impact memory in working and retired older adults. Scientific Reports, 15(1). https://doi.org/10.1038/s41598-025-87333-9
High and low current perceived stress associated with enhanced emotional mnemonic discrimination
Learning & Memory / Dec 01, 2024
Vas, R., Phillips, T., Ferguson, L. A., Harikumar, A., Castro, M., & Leal, S. L. (2024). High and low current perceived stress associated with enhanced emotional mnemonic discrimination. Learning & Memory, 31(12), a053989. https://doi.org/10.1101/lm.053989.124
Retirement through rose-colored glasses: greater positivity bias in retired relative to working older adults
May 11, 2023
Ferguson, L. A., Harikumar, A., & Leal, S. L. (2023). Retirement through rose-colored glasses: greater positivity bias in retired relative to working older adults. https://doi.org/10.31234/osf.io/46efu
Revisiting Functional Dysconnectivity: A Review of Three Model Frameworks in Schizophrenia
Aug 09, 2023
Harikumar, A., Solovyeva, K. P., Misiura, M., Iraji, A., Plis, S., Pearlson, G., Turner, J., & Calhoun, V. D. (2023). Revisiting Functional Dysconnectivity: A Review of Three Model Frameworks in Schizophrenia. https://doi.org/10.31234/osf.io/m46gk
A novel face-name mnemonic discrimination task with naturalistic stimuli
Neuropsychologia / Oct 01, 2023
Mannion, R., Harikumar, A., Morales-Calva, F., & Leal, S. L. (2023). A novel face-name mnemonic discrimination task with naturalistic stimuli. Neuropsychologia, 189, 108678. https://doi.org/10.1016/j.neuropsychologia.2023.108678
Perceived antidepressant efficacy associated with reduced negative and enhanced neutral mnemonic discrimination
Frontiers in Human Neuroscience / Aug 28, 2023
Phillips, T. O., Castro, M., Vas, R. K., Ferguson, L. A., Harikumar, A., & Leal, S. L. (2023). Perceived antidepressant efficacy associated with reduced negative and enhanced neutral mnemonic discrimination. Frontiers in Human Neuroscience, 17. https://doi.org/10.3389/fnhum.2023.1225836
Emotion Regulation Reduces Negativity Bias and Enhances Mnemonic Discrimination in Depression
May 16, 2022
Hayes, B. K., Harikumar, A., Ferguson, L. A., Dicker, E. E., Denny, B., & Leal, S. L. (2022). Emotion Regulation Reduces Negativity Bias and Enhances Mnemonic Discrimination in Depression. https://doi.org/10.31234/osf.io/6jn5w
A Review of the Default Mode Network in Autism Spectrum Disorders and Attention Deficit Hyperactivity Disorder
Brain Connectivity / May 01, 2021
Harikumar, A., Evans, D. W., Dougherty, C. C., Carpenter, K. L. H., & Michael, A. M. (2021). A Review of the Default Mode Network in Autism Spectrum Disorders and Attention Deficit Hyperactivity Disorder. Brain Connectivity, 11(4), 253–263. https://doi.org/10.1089/brain.2020.0865
Assessing intragenomic variation of the internal transcribed spacer two: Adapting the Illumina metagenomics protocol
PLOS ONE / Jul 18, 2017
Alanagreh, L., Pegg, C., Harikumar, A., & Buchheim, M. (2017). Assessing intragenomic variation of the internal transcribed spacer two: Adapting the Illumina metagenomics protocol. PLOS ONE, 12(7), e0181491. https://doi.org/10.1371/journal.pone.0181491
Education
Georgia State University
PhD Candidate, Psychology | Cognitive and Affective Neuroscience / May, 2026 (anticipated)
San Diego State University
MA, Psychology | Behavioral and Cognitive Neuroscience / May, 2018
University of Tulsa
BS, Psychology, Biology Minor / May, 2015
Experience
Massachusetts General Hospital | Harvard Medical School
Clinical Research Coordinator II / June, 2018 — June, 2020
Rice University
Lab Manager / August, 2020 — July, 2021
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