Publications Print Jin MC, Ravi K, Wu A, Garcia CA, Rodrigues AJ, Savchuk S, Ruiz Colon GD, Kakusa BW, Parker JJ, Grant GA, Prolo LM. Prediction of seizure risk after repetitive mild traumatic brain injury in childhood. J Neurosurg Pediatr. 2025 Apr 25; 1-10 [Epub ahead of print] View PubMed Singh R, Bauman MMJ, Islam K, Kerezoudis P, Grewal SS, Parker JJ, Van Gompel JJ, Miller KJ, Lundstrom BN, Starnes K. Intracranial stimulation for pediatric refractory epilepsy: A single institutional experience using evolving therapies. Epilepsia Open. 2025 Apr 1 Epub 2025 Apr 01 View PubMed Cramer J, Baxter L, Lang H, Parker J, Chen A, Matthees N, Ikuta I, Wang Y, Zhou Y. Intensity-Based Assessment of Hippocampal Segmentation Algorithms Using Paired Precontrast and Postcontrast MRI. Bioengineering (Basel). 2025 Mar 4; 12 (3) Epub 2025 Mar 04 View PubMed Fazli Besheli B, Sha ZY, Ayyoubi AH, Swamy CP, Henry TR, Worrell GA, Miller KJ, Parker JJ, Darrow DP, Ince NF. Pseudo-hfos elimination in ieeg recordings using a robust residual-based dictionary learning framework. Ieee Journal of Biomedical and Health Informatics. 2025 Feb; 29 (2):857-69 Uchitel J, Lui A, Knowles J, Parker JJ, Phillips HW, Halpern CH, Grant GA, Buch VP, Hyslop A, Kumar KK. Intracranial neuromodulation for pediatric drug-resistant epilepsy: early institutional experience. Front Surg. 2025; 12:1569360 Epub 2025 Apr 08 View PubMed Van Ligten M, Hudson M, Parker JJ, Martini WA. Challenges in Diagnosis and Management of Altered Mental Status in the Setting of Urosepsis and Hydrocephalus Secondary to an Occlusive Cyst of the Fourth Ventricle: A Case Report. Clin Pract Cases Emerg Med. 2025 Jan; 9 (1):37-40 View PubMed Ghaith AK, El-Hajj VG, Sanchez-Garavito JE, Zamanian C, Ghanem M, Bon-Nieves A, Chen B, Drees CN, Miller D, Parker JJ, Almeida JP, Elmi-Terander A, Tatum W, Middlebrooks EH, Bydon M, Van-Gompel JJ, Lundstrom BN, Grewal SS. Trends in the Utilization of Surgical Modalities for the Treatment of Drug-Resistant Epilepsy: A Comprehensive 10-Year Analysis Using the National Inpatient Sample. Neurosurgery. 2024 Jan 8 Epub 2024 Jan 08 View PubMed Jiang B, Ozkara BB, Creeden S, Zhu G, Ding VY, Chen H, Lanzman B, Wolman D, Shams S, Trinh A, Li Y, Khalaf A, Parker JJ, Halpern CH, Wintermark M. Validation of a deep learning model for traumatic brain injury detection and NIRIS grading on non-contrast CT: a multi-reader study with promising results and opportunities for improvement. Neuroradiology. 2023 Nov; 65 (11):1605-1617 Epub 2023 June 03 View PubMed Dadey DYA, Medress ZA, Sharma M, Ugiliweneza B, Wang D, Rodrigues A, Parker J, Burton E, Williams B, Han SS, Boakye M, Skirboll S. Risk of developing glioblastoma following non-CNS primary cancer: a SEER analysis between 2000 and 2018. J Neurooncol. 2023 Sep; 164 (3):655-662 Epub 2023 Oct 04 View PubMed Huang Y, Wang JB, Parker JJ, Shivacharan R, Lal RA, Halpern CH. Spectro-spatial features in distributed human intracranial activity proactively encode peripheral metabolic activity. Nat Commun. 2023 May 11; 14 (1):2729 View PubMed Van Gompel JJ, Burkholder DB, Parker JJ, Grewal SS, Middlebrooks EH, Lehman VT, Miller KJ, Alden EC, Kaufmann TJ. Laser Interstitial Thermal Therapy for Epilepsy. Neurosurg Clin N Am. 2023 Apr; 34 (2):247-257 Epub 2023 Jan 30 View PubMed Medress ZA, Bobrow A, Tigchelaar SS, Henderson T, Parker JJ, Desai A. Augmented Reality-Assisted Resection of a Large Presacral Ganglioneuroma: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2022 Dec 12 [Epub ahead of print] View PubMed Shivacharan RS, Rolle CE, Barbosa DAN, Cunningham TN, Feng A, Johnson ND, Safer DL, Bohon C, Keller C, Buch VP, Parker JJ, Azagury DE, Tass PA, Bhati MT, Malenka RC, Lock JD, Halpern CH. Pilot study of responsive nucleus accumbens deep brain stimulation for loss-of-control eating. Nat Med. 2022 Sep; 28 (9):1791-1796 Epub 2022 Aug 29 View PubMed Parvizi J, Veit MJ, Barbosa DAN, Kucyi A, Perry C, Parker JJ, Shivacharan RS, Chen F, Yih J, Gross JJ, Fisher R, McNab JA, Falco-Walter J, Halpern CH. Complex negative emotions induced by electrical stimulation of the human hypothalamus. Brain Stimul. 2022 May-Jun; 15 (3):615-623 Epub 2022 Apr 09 View PubMed Parker JJ, Zhang Y, Fatemi P, Halpern CH, Porter BE, Grant GA. Antiseizure medication use and medical resource utilization after resective epilepsy surgery in children in the United States: A contemporary nationwide cross-sectional cohort analysis. Epilepsia. 2022 Apr; 63 (4):824-835 Epub 2022 Feb 25 View PubMed Jin MC, Parker JJ, Rodrigues AJ, Ruiz Colon GD, Garcia CA, Mahaney KB, Grant GA, Prolo LM. Development of an integrated risk scale for prediction of shunt placement after neonatal intraventricular hemorrhage. J Neurosurg Pediatr. 2022 Apr 1; 29 (4):444-453 Epub 2022 Jan 28 View PubMed Jin MC, Parker JJ, Prolo LM, Wu A, Halpern CH, Li G, Ratliff JK, Han SS, Skirboll SL, Grant GA. An integrated risk model stratifying seizure risk following brain tumor resection among seizure-naive patients without antiepileptic prophylaxis. Neurosurg Focus. 2022 Apr; 52 (4):E3 View PubMed Jabarkheel R, Ho CS, Rodrigues AJ, Jin MC, Parker JJ, Mensah-Brown K, Yecies D, Grant GA. Rapid intraoperative diagnosis of pediatric brain tumors using Raman spectroscopy: A machine learning approach. Neurooncol Adv. 2022 Jan-Dec; 4 (1):vdac118 Epub 2022 July 26 View PubMed Nagahama Y, Zervos TM, Murata KK, Holman L, Karsonovich T, Parker JJ, Chen JS, Phillips HW, Fajardo M, Nariai H, Hussain SA, Porter BE, Grant GA, Ragheb J, Wang S, O'Neill BR, Alexander AL, Bollo RJ, Fallah A. Real-World Preliminary Experience With Responsive Neurostimulation in Pediatric Epilepsy: A Multicenter Retrospective Observational Study. Neurosurgery. 2021 Nov 18; 89 (6):997-1004 View PubMed Parker JJ, Jamiolkowski RM, Grant GA, Le S, Halpern CH. Hybrid Fluoroscopic and Neurophysiological Targeting of Responsive Neurostimulation of the Rolandic Cortex. Oper Neurosurg (Hagerstown). 2021 Aug 16; 21 (3):E180-E186 View PubMed Kakusa B, Huang Y, Barbosa DAN, Feng A, Gattas S, Shivacharan R, Lee EB, Kuijper FM, Saluja S, Parker JJ, Miller KJ, Keller C, Bohon C, Halpern CH. Anticipatory human subthalamic area beta-band power responses to dissociable tastes correlate with weight gain. Neurobiol Dis. 2021 Jul; 154:105348. Epub 2021 Mar 26. View PubMed Huang Y, Kakusa BW, Feng A, Gattas S, Shivacharan RS, Lee EB, Parker JJ, Kuijper FM, Barbosa DAN, Keller CJ, Bohon C, Mikhail A, Halpern CH. The insulo-opercular cortex encodes food-specific content under controlled and naturalistic conditions. Nat Commun. 2021 Jun 14; 12 (1):3609 Epub 2021 June 14 View PubMed Jin MC, Parker JJ, Zhang M, Medress ZA, Halpern CH, Li G, Ratliff JK, Grant GA, Fisher RS, Skirboll S. Status epilepticus after intracranial neurosurgery: incidence and risk stratification by perioperative clinical features. J Neurosurg. 2021 May 14; 1-13 [Epub ahead of print] View PubMed Jin MC, Wu A, Medress ZA, Parker JJ, Desai A, Veeravagu A, Grant GA, Li G, Ratliff JK. Adverse Events and Bundled Costs after Cranial Neurosurgical Procedures: Validation of the LACE Index Across 40,431 Admissions and Development of the LACE-Cranial Index. World Neurosurg. 2021 Feb; 146:e431-e451 Epub 2020 Oct 28 View PubMed Kim LH, Parker JJ, Ho AL, Feng AY, Kumar KK, Chen KS, Ojukwu DI, Shuer LM, Grant GA, Graber KD, Halpern CH. Contemporaneous evaluation of patient experience, surgical strategy, and seizure outcomes in patients undergoing stereoelectroencephalography or subdural electrode monitoring. Epilepsia. 2021 Jan; 62 (1):74-84 Epub 2020 Nov 25 View PubMed Medress Z, Ugiliweneza B, Parker J, Wang D, Burton E, Boakye M, Skirboll S. Simulating Episode-Based Bundled Payments for Cranial Neurosurgical Procedures. Neurosurgery. 2020 Jul 1; 87 (1):86-95 View PubMed Creeden S, Ding VY, Parker JJ, Jiang B, Li Y, Lanzman B, Trinh A, Khalaf A, Wolman D, Halpern CH, Boothroyd D, Wintermark M. Interobserver Agreement for the Computed Tomography Severity Grading Scales for Acute Traumatic Brain Injury. J Neurotrauma. 2020 Jun 15; 37 (12):1445-1451 Epub 2020 Mar 11 View PubMed Huang Y, Leung SA, Parker JJ, Ho AL, Wintermark M, Patel SH, Pauly KB, Kakusa BW, Beres SJ, Henderson JM, Grant GA, Halpern CH. Anatomic and Thermometric Analysis of Cranial Nerve Palsy after Laser Amygdalohippocampotomy for Mesial Temporal Lobe Epilepsy. Oper Neurosurg (Hagerstown). 2020 Jun 1; 18 (6):684-691 View PubMed Kim LH, Parker JJ, Ho AL, Pendharkar AV, Sussman ES, Halpern CH, Porter B, Grant GA. Postoperative outcomes following pediatric intracranial electrode monitoring: A case for stereoelectroencephalography (SEEG). Epilepsy Behav. 2020 Mar; 104 (Pt A):106905 Epub 2020 Feb 03 View PubMed Kim LH, Feng AY, Ho AL, Parker JJ, Kumar KK, Chen KS, Grant GA, Henderson JM, Halpern CH. Robot-assisted versus manual navigated stereoelectroencephalography in adult medically-refractory epilepsy patients. Epilepsy Res. 2020 Jan; 159:106253 Epub 2019 Dec 09 View PubMed Saluja S, Barbosa DAN, Parker JJ, Huang Y, Jensen MR, Ngo V, Santini VE, Pauly KB, Ghanouni P, McNab JA, Halpern CH. Case Report on Deep Brain Stimulation Rescue After Suboptimal MR-Guided Focused Ultrasound Thalamotomy for Essential Tremor: A Tractography-Based Investigation. Front Hum Neurosci. 2020; 14:191 Epub 2020 June 26 View PubMed Prolo LM, Li A, Owen SF, Parker JJ, Foshay K, Nitta RT, Morgens DW, Bolin S, Wilson CM, Vega L JCM, Luo EJ, Nwagbo G, Waziri A, Li G, Reimer RJ, Bassik MC, Grant GA. Targeted genomic CRISPR-Cas9 screen identifies MAP4K4 as essential for glioblastoma invasion. Sci Rep. 2019 Sep 30; 9 (1):14020 Epub 2019 Sept 30 View PubMed Huang Y, Yecies D, Bruckert L, Parker JJ, Ho AL, Kim LH, Fornoff L, Wintermark M, Porter B, Yeom KW, Halpern CH, Grant GA. Stereotactic laser ablation for completion corpus callosotomy. J Neurosurg Pediatr. 2019 Aug 2; 1-9 Epub 2019 Aug 02 View PubMed Parker JJ, Canoll P, Niswander L, Kleinschmidt-DeMasters BK, Foshay K, Waziri A. Intratumoral heterogeneity of endogenous tumor cell invasive behavior in human glioblastoma. Sci Rep. 2018 Dec 20; 8 (1):18002 View PubMed Oushy S, Parker JJ, Campbell K, Palmer C, Wilkinson C, Stence NV, Handler MH, Mirsky DM. Frontal and occipital horn ratio is associated with multifocal intraparenchymal hemorrhages in neonatal shunted hydrocephalus. J Neurosurg Pediatr. 2017 Nov; 20 (5):432-438 Epub 2017 Sept 08 View PubMed Ravikumar VK, Parker JJ, Hornbeck TS, Santini VE, Pauly KB, Wintermark M, Ghanouni P, Stein SC, Halpern CH. Cost-effectiveness of focused ultrasound, radiosurgery, and DBS for essential tremor. Mov Disord. 2017 Aug; 32 (8):1165-1173 Epub 2017 Apr 03 View PubMed Parker JJ, Lizarraga M, Waziri A, Foshay KM. A Human Glioblastoma Organotypic Slice Culture Model for Study of Tumor Cell Migration and Patient-specific Effects of Anti-Invasive Drugs. J Vis Exp. 2017 Jul 20; (125) Epub 2017 July 20 View PubMed Ravikumar VK, Ho AL, Parker JJ, Erickson-DiRenzo E, Halpern CH. Vocal Tremor: Novel Therapeutic Target for Deep Brain Stimulation. Brain Sci. 2016 Oct 10; 6 (4) View PubMed Parker JJ, Dionne KR, Massarwa R, Klaassen M, Foreman NK, Niswander L, Canoll P, Kleinschmidt-Demasters BK, Waziri A. Gefitinib selectively inhibits tumor cell migration in EGFR-amplified human glioblastoma. Neuro Oncol. 2013 Aug; 15 (8):1048-57 Epub 2013 June 07 View PubMed Parker JJ, Waziri A. Preoperative evaluation of pineal tumors. Neurosurg Clin N Am. 2011 Jul; 22 (3):353-8, vii-viii Epub 2011 June 08 View PubMed PST-20537490 Home Publications