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Ashwin G. Ramayya, Ph.D. - Publications

Affiliations: 
2014 Neuroscience University of Pennsylvania, Philadelphia, PA, United States 
Area:
Cognitive neuroscience, human memory
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13/46 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2024 Schonhaut DR, Rao AM, Ramayya AG, Solomon EA, Herweg NA, Fried I, Kahana MJ. MTL neurons phase-lock to human hippocampal theta. Elife. 13. PMID 38193826 DOI: 10.7554/eLife.85753  0.546
2020 Yang AI, Buch VP, Heman-Ackah SM, Ramayya AG, Hitti FL, Beatson N, Chaibainou H, Yates M, Wang S, Verma R, Wolf RL, Baltuch GH. Thalamic deep brain stimulation for essential tremor: relation of the dentato-rubro-thalamic tract with stimulation parameters. World Neurosurgery. PMID 31954907 DOI: 10.1016/J.Wneu.2020.01.039  0.301
2017 Ramayya AG, Pedisich I, Levy D, Lyalenko A, Wanda P, Rizzuto D, Baltuch GH, Kahana MJ. Proximity of Substantia Nigra Microstimulation to Putative GABAergic Neurons Predicts Modulation of Human Reinforcement Learning. Frontiers in Human Neuroscience. 11: 200. PMID 28536513 DOI: 10.3389/Fnhum.2017.00200  0.701
2017 Ramayya AG, Abdullah KG, Mallela AN, Pierce JT, Thawani J, Petrov D, Baltuch GH. Thirty-Day Readmission Rates Following Deep Brain Stimulation Surgery. Neurosurgery. PMID 28327899 DOI: 10.1093/Neuros/Nyx019  0.3
2016 Merkow MB, Burke JF, Ramayya AG, Sharan AD, Sperling MR, Kahana MJ. Stimulation of the human medial temporal lobe between learning and recall selectively enhances forgetting. Brain Stimulation. PMID 28073638 DOI: 10.1016/J.Brs.2016.12.011  0.574
2015 Ramayya AG, Pedisich I, Kahana MJ. Expectation modulates neural representations of valence throughout the human brain. Neuroimage. 115: 214-23. PMID 25937489 DOI: 10.1016/J.Neuroimage.2015.04.037  0.608
2015 Burke JF, Ramayya AG, Kahana MJ. Human intracranial high-frequency activity during memory processing: neural oscillations or stochastic volatility? Current Opinion in Neurobiology. 31: 104-10. PMID 25279772 DOI: 10.1016/J.Conb.2014.09.003  0.528
2015 Merkow MB, Burke J, Ramayya AG, Sharan AD, Kahana MJ, Sperling M. 131 Human Medial Temporal Lobe Stimulation Between Encoding and Retrieval Selectively Enhances Forgetting Neurosurgery. 62: 207-208. DOI: 10.1227/01.Neu.0000467093.76440.45  0.544
2015 Ramayya AG, Pedisich I, Kahana MJ. Expectation modulates neural representations of valence throughout the human brain Neuroimage. 115: 214-223. DOI: 10.1016/j.neuroimage.2015.04.037  0.498
2014 Ramayya AG, Zaghloul KA, Weidemann CT, Baltuch GH, Kahana MJ. Electrophysiological evidence for functionally distinct neuronal populations in the human substantia nigra. Frontiers in Human Neuroscience. 8: 655. PMID 25249957 DOI: 10.3389/Fnhum.2014.00655  0.666
2014 Burke JF, Sharan AD, Sperling MR, Ramayya AG, Evans JJ, Healey MK, Beck EN, Davis KA, Lucas TH, Kahana MJ. Theta and high-frequency activity mark spontaneous recall of episodic memories. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 34: 11355-65. PMID 25143616 DOI: 10.1523/Jneurosci.2654-13.2014  0.533
2014 Ramayya AG, Misra A, Baltuch GH, Kahana MJ. Microstimulation of the human substantia nigra alters reinforcement learning. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 34: 6887-95. PMID 24828643 DOI: 10.1523/Jneurosci.5445-13.2014  0.588
2014 Misra A, Burke JF, Ramayya AG, Jacobs J, Sperling MR, Moxon KA, Kahana MJ, Evans JJ, Sharan AD. Methods for implantation of micro-wire bundles and optimization of single/multi-unit recordings from human mesial temporal lobe. Journal of Neural Engineering. 11: 026013. PMID 24608589 DOI: 10.1088/1741-2560/11/2/026013  0.623
Low-probability matches (unlikely to be authored by this person)
2018 Hitti FL, Vaughan KA, Ramayya AG, McShane BJ, Baltuch GH. Reduced long-term cost and increased patient satisfaction with rechargeable implantable pulse generators for deep brain stimulation. Journal of Neurosurgery. 1-8. PMID 30265199 DOI: 10.3171/2018.4.Jns172995  0.296
2010 Ramayya AG, Glasser MF, Rilling JK. A DTI investigation of neural substrates supporting tool use. Cerebral Cortex (New York, N.Y. : 1991). 20: 507-16. PMID 19608779 DOI: 10.1093/Cercor/Bhp141  0.284
2020 Buch VP, McShane BJ, Beatson N, Yang A, Blanke A, Tilden D, Korn M, Chaibainou H, Ramayya A, Wombacher K, Maier S, Marashlian T, Wolf R, Baltuch GH. Focused Ultrasound Thalamotomy with Dentato-Rubro-Thalamic Tractography in Patients with Spinal Cord Stimulators and Cardiac Pacemakers. Stereotactic and Functional Neurosurgery. 1-7. PMID 32403106 DOI: 10.1159/000507031  0.278
2016 Buch V, Burke JF, Ramayya AG, Brandon C, Hudgins E, Richardson A, Lucas TH. 210 Human Sensorimotor Electrocorticography: Spectral Dynamics and Network Connectivity During a Simple Motor Task. Neurosurgery. 63: 182. PMID 27399489 DOI: 10.1227/01.Neu.0000489779.53428.E3  0.274
2019 Hitti FL, Ramayya AG, McShane BJ, Yang AI, Vaughan KA, Baltuch GH. Long-term outcomes following deep brain stimulation for Parkinson's disease. Journal of Neurosurgery. 1-6. PMID 30660117 DOI: 10.3171/2018.8.Jns182081  0.263
2019 Cho SS, Ramayya AG, Teng CW, Brem S, Singhal S, Lee JYK. Intraoperative Near-Infrared Fluorescence Imaging With Second-Window Indocyanine-Green Offers Accurate and Real-Time Correction for Brain Shift and Anatomic Inconsistencies in Framless Neuronavigation Neurosurgery. 66. DOI: 10.1093/Neuros/Nyz310_460  0.26
2019 Ramayya AG, Chen HI, Marcotte PJ, Brem S, Zager EL, Osiemo B, Piazza M, Sharma N, McClintock SD, Schuster JM, Ali ZS, Connolly P, Heuer GG, Grady MS, Kung DK, et al. Assessing variability in surgical decision making among attending neurosurgeons at an academic center. Journal of Neurosurgery. 1-7. PMID 31151100 DOI: 10.3171/2019.2.Jns182658  0.256
2019 Glauser G, Agarwal P, Ramayya AG, Chen HI, Lee JYK, Schuster JM, Osiemo B, Goodrich S, Smith LJ, McClintock SD, Malhotra NR. Association of Surgical Overlap during Wound Closure with Patient Outcomes among Neurological Surgery Patients at a Large Academic Medical Center. Neurosurgery. PMID 31058970 DOI: 10.1093/Neuros/Nyz142  0.247
2017 Thawani JP, Ramayya AG, Pisapia JM, Abdullah KG, Lee JY, Grady MS. Operative Strategies to Minimize Complications Following Resection of Pituitary Macroadenomas. Journal of Neurological Surgery. Part B, Skull Base. 78: 184-190. PMID 28321384 DOI: 10.1055/S-0036-1597276  0.246
2017 Piazza M, McShane BJ, Ramayya AG, Sullivan PZ, Ali ZS, Marcotte PJ, Welch WC, Ozturk AK. Posterior Cervical Laminectomy Results in Better Radiographic Decompression of Spinal Cord Compared to Anterior Cervical Discectomy and Fusion. World Neurosurgery. PMID 29138070 DOI: 10.1016/J.Wneu.2017.11.017  0.242
2019 Ramayya AG, Carrasquilla A, Hitti FL, Madsen PJ, Thawani JP, Imbesi K, Trotter M, Kung DK, Schuster J. Non-traumatic rupture of the ligamentum flavum with symptomatic spontaneous lumbar epidural hematoma: A case report Interdisciplinary Neurosurgery. 16: 51-53. DOI: 10.1016/J.Inat.2018.12.001  0.237
2015 Abdullah KG, Ramayya A, Thawani JP, Macyszyn L, Martinez-Lage M, O'Rourke DM, Brem S. Factors associated with increased survival after surgical resection of glioblastoma in octogenarians. Plos One. 10: e0127202. PMID 25978638 DOI: 10.1371/Journal.Pone.0127202  0.233
2020 Sullivan PZ, Albayar A, Ramayya AG, McShane B, Marcotte P, Malhotra NR, Ali ZS, Chen HI, Janjua MB, Saifi C, Schuster J, Grady MS, Jones J, Ozturk AK. Association of spinal instability due to metastatic disease with increased mortality and a proposed clinical pathway for treatment. Journal of Neurosurgery. Spine. 1-8. PMID 32059185 DOI: 10.3171/2019.11.Spine19775  0.233
2018 Ramayya AG, Glauser G, Mcshane B, Branche M, Sinha S, Kvint S, Buch V, Abdullah KG, Kung D, Chen HI, Malhotra NR, Ozturk A. Factors Predicting Ventriculostomy Revision at a Large Academic Medical Center. World Neurosurgery. PMID 30503293 DOI: 10.1016/J.Wneu.2018.11.196  0.233
2020 Cho SS, Teng CW, Ramayya A, Buch L, Hussain J, Harsch J, Brem S, Lee JYK. Surface-Registration Frameless Stereotactic Navigation Is Less Accurate During Prone Surgeries: Intraoperative Near-Infrared Visualization Using Second Window Indocyanine Green Offers an Adjunct. Molecular Imaging and Biology. PMID 32232627 DOI: 10.1007/S11307-020-01495-8  0.229
2016 Agarwal P, Ramayya AG, Abdullah KG, Nayak N, Lucas TH. 328 A Propensity-Based Analysis of the Use of Prothrombin Complex Concentrate Prior to Emergent Neurosurgical Procedures. Neurosurgery. 63: 195-196. PMID 27399526 DOI: 10.1227/01.Neu.0000489817.21218.96  0.221
2016 Thawani JP, Ramayya AG, Abdullah KG, Hudgins E, Vaughan K, Piazza M, Madsen PJ, Buch V, Sean Grady M. Resident simulation training in endoscopic endonasal surgery utilizing haptic feedback technology. Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia. PMID 27473019 DOI: 10.1016/J.Jocn.2016.05.036  0.218
2018 Branche MJ, Ozturk AK, Ramayya AG, McShane BJ, Schuster JM. Neurologic Status on Presentation as Predictive Measurement in Success of Closed Reduction in Traumatic Cervical Facet Fractures. World Neurosurgery. PMID 29530687 DOI: 10.1016/J.Wneu.2018.03.001  0.215
2017 Agarwal P, Abdullah KG, Ramayya AG, Nayak NR, Lucas TH. A Retrospective Propensity Score-Matched Early Thromboembolic Event Analysis of Prothrombin Complex Concentrate vs Fresh Frozen Plasma for Warfarin Reversal Prior to Emergency Neurosurgical Procedures. Neurosurgery. PMID 29106685 DOI: 10.1093/Neuros/Nyx327  0.211
2019 Neale N, Ramayya A, Welch W. Surgical management of Idiopathic Thoracic Spinal Cord Herniation: A Case Report. World Neurosurgery. PMID 31158530 DOI: 10.1016/J.Wneu.2019.05.219  0.209
2016 Piazza M, Ramayya A, Geiger G, Alonso-Basanta M, Nasrallah MP, Welch W, Ozturk A. Intramedullary recurrence of a thoracic meningioma - Presentation of an unusual case and review of the literature. World Neurosurgery. PMID 26852709 DOI: 10.1016/J.Wneu.2016.01.073  0.207
2020 Ramayya AG, Yang AI, Buch VP, Burke JF, Richardson AG, Brandon C, Stein JM, Davis KA, Chen HI, Proekt A, Kelz MB, Litt B, Gold JI, Lucas TH. Theta synchrony is increased near neural populations that are active when initiating instructed movement. Eneuro. PMID 33355232 DOI: 10.1523/ENEURO.0252-20.2020  0.206
2021 Wexler A, Choi RJ, Ramayya AG, Sharma N, McShane BJ, Buch LY, Donley-Fletcher MP, Gold JI, Baltuch GH, Goering S, Klein E. Ethical Issues in Intraoperative Neuroscience Research: Assessing Subjects' Recall of Informed Consent and Motivations for Participation. Ajob Empirical Bioethics. 1-10. PMID 34227925 DOI: 10.1080/23294515.2021.1941415  0.153
2022 Yang AI, Parker D, Vijayakumari AA, Ramayya AG, Donley-Fletcher MP, Aunapu D, Wolf RL, Baltuch GH, Verma R. Tractography-Based Surgical Targeting for Thalamic Deep Brain Stimulation: A Comparison of Probabilistic vs Deterministic Fiber Tracking of the Dentato-Rubro-Thalamic Tract. Neurosurgery. PMID 35044356 DOI: 10.1227/NEU.0000000000001840  0.118
2016 Buch V, Burke JF, Ramayya AG, Brandon C, Hudgins E, Richardson A, Lucas TH. 210 Human Sensorimotor Electrocorticography: Spectral Dynamics and Network Connectivity During a Simple Motor Task. Neurosurgery. 63: 182. PMID 28175501 DOI: 10.1227/01.neu.0000489779.53428.e3  0.107
2019 Agarwal P, Ramayya AG, Osiemo B, Goodrich S, Glauser G, McClintock SD, Chen HI, Schuster JM, Grady MS, Malhotra NR. Association of Overlapping Neurosurgery With Patient Outcomes at a Large Academic Medical Center. Neurosurgery. PMID 31432069 DOI: 10.1093/neuros/nyz243  0.093
2023 Miranda SP, Sullivan PZ, Albayar A, Ramayya AG, Blue R, Ali ZS, Malhotra N, Marcotte P, Yoon J, Saifi C, Welch WC, Schuster J, Ozturk AK. Preoperative Predictors of Survival in Patients With Spinal Metastatic Disease. International Journal of Spine Surgery. PMID 36889904 DOI: 10.14444/8444  0.091
2021 Albayar A, Ramayya A, Sullivan PZ, Yoon J, Saifi C, Roche A, Ali ZS, Welch WC, Arlet V, Ozturk AK. Postoperative Sagittal Spinal Alignment Changes Following Corrective Surgery in Adult Spinal Deformity. International Journal of Spine Surgery. 15: 1082-1089. PMID 35078880 DOI: 10.14444/8194  0.087
2023 Muhammad N, Ramayya A, Srinivasan VM. Clinical Image: Contrast-Induced Encephalopathy Mimicking Subarachnoid Hemorrhage. World Neurosurgery. PMID 37207723 DOI: 10.1016/j.wneu.2023.05.043  0.085
2021 Glauser G, Detchou DK, Dimentberg R, Ramayya AG, Malhotra NR. Social Determinants of Health and Neurosurgical Outcomes: Current State and Future Directions. Neurosurgery. PMID 33677591 DOI: 10.1093/neuros/nyab030  0.082
2019 Glauser G, Ali ZS, Gardiner D, Ramayya AG, Pessoa R, Grady MS, Welch WC, Zager EL, Sim E, Haughey V, Wells B, Restuccia M, Tait G, Fala G, Malhotra NR. Assessing the utility of an IoS application in the perioperative care of spine surgery patients: the NeuroPath Pilot study. Mhealth. 5: 40. PMID 31620467 DOI: 10.21037/mhealth.2019.09.01  0.082
2020 Arena JD, Kvint S, Ghenbot Y, Howard S, Ramayya AG, Sinha S, Petrov D, Chen HI, Schuster JM. Thoracolumbar Transverse Process Fractures are More Frequently Associated with Non-Spinal Injury than Clinically Significant Spine Fracture. World Neurosurgery. PMID 33271381 DOI: 10.1016/j.wneu.2020.11.129  0.045
2016 Agarwal P, Ramayya AG, Abdullah KG, Nayak N, Lucas TH. 328 A Propensity-Based Analysis of the Use of Prothrombin Complex Concentrate Prior to Emergent Neurosurgical Procedures. Neurosurgery. 63: 195-196. PMID 28175476 DOI: 10.1227/01.neu.0000489817.21218.96  0.045
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