Faculty profile

Walter Hader

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Associate ProfessorDCNSUniversity of Calgary

Walter Hader

Associate Professor

DCNS

University of Calgary

Calgary, Alberta, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
10 publications in the last five years, latest in 2026.
Senior (last) author on 1 recent paper, a sign of leading a research group.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

1,201

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Read how they describe their research on their University of Calgary profile.

Latest papers

Mindfulness meditation increases interictal epileptiform discharges in meditation-naïve surgical epilepsy patients.
Epilepsia · 2026
Correction: National multicentered retrospective review of salvage therapy for pediatric medulloblastoma: a Canadian experience
Child's Nervous System · 2026
Detecting somatic variants in purified brain DNA obtained from surgically implanted depth electrodes in epilepsy.
Epilepsia · 2025

All 36 publications

Latest funding

Short- and long-term effects of postical hypoxia and its impact on memory function in epilepsy
CIHR · 2025 · Co-investigator
$822,376
Elatus: Chronically Implantable Unit-Scale Microelectrode Array Neuromodulation Technology
BRAIN · 2025 · Co-investigator
$1,657,750

All 2 grants and awards

36 publications.

Mindfulness meditation increases interictal epileptiform discharges in meditation-naïve surgical epilepsy patients.

Soni S, Brochu K, Federico P, Hader W, Kam JWY, Girgis F

Epilepsia2026Open Access

DOI: 10.1002/epi.70332 PMID: 42299691

Correction: National multicentered retrospective review of salvage therapy for pediatric medulloblastoma: a Canadian experience

Kameda-Smith MM, Lannon M, Almojuela A, MacLean MA, Persad A, Sader N, Kulamurugan A, Manoranjan B, Erker C, Aminnejad M

Child's Nervous System2026Open Access

DOI: 10.1007/s00381-025-07100-z

Detecting somatic variants in purified brain DNA obtained from surgically implanted depth electrodes in epilepsy.

Mascarenhas R, Merrikh D, Khanbabaei M, Kaur N, Ghaderi N, Maroilley T, Liu Y, Soule T, Appendino JP, Jacobs J, Wiebe S, Calgary Comprehensive Epilepsy Program Collaborators, Hader W, Pfeffer G, Tarailo-Graovac M, Klein KM

Epilepsia20252 citationsOpen Access

DOI: 10.1111/epi.18251 PMID: 39751777

National multicentered retrospective review of salvage therapy for pediatric medulloblastoma: a Canadian experience

Kameda-Smith MM, Lannon M, Almojuela A, MacLean MA, Persad A, Sader N, Kulamurugan A, Manoranjan B, Erker C, Aminnejad M

Child's Nervous System20251 citations

DOI: 10.1007/s00381-025-07026-6

Identification of a Second-Hit Brain Somatic DEPDC5 Variant Supports Causality of a DEPDC5 Germline Variant of Uncertain Significance. Time for a Classification Update?

Alsayed A, Hakim Z, Merrikh D, Khanbabaei M, Kaur N, Hader W, Soule T, Ashtiani S, Polanco-Tovar G, Scantlebury M, Rahi H, Cao Y, Chan JA, Appendino JP, Pfeffer G, Au PYB, Klein KM

American journal of medical genetics. Part A20251 citationsOpen Access

DOI: 10.1002/ajmg.a.64204 PMID: 40742146

Disconnection Methods in the Surgical Treatment of Epilepsy.

Yang R, Tamura G, Jacobs J, Hader W

Seminars in neurology2025Senior author

DOI: 10.1055/a-2538-3354 PMID: 40064310

Development of an online calculator for the prediction of seizure freedom following pediatric hemispherectomy using the Hemispherectomy Outcome Prediction Scale (HOPS).

Weil AG, Dimentberg E, Lewis E, Ibrahim GM, Kola O, Tseng CH, Chen JS, Lin KM, Cai LX, Liu QZ, Lin JL, Zhou WJ, Mathern GW, Smyth MD, O'Neill BR, Dudley R, Ragheb J, Bhatia S, Delev D, Ramantani G, Zentner J, Wang AC, Dorfer C, Feucht M, Czech T, Bollo RJ, Issabekov G, Zhu H, Connolly M, Steinbok P, Zhang JG, Zhang K, Hidalgo ET, Weiner HL, Wong-Kisiel L, Lapalme-Remis S, Tripathi M, Sarat Chandra P, Hader W, Wang FP, Yao Y, Champagne PO, Brunette-Clément T, Guo Q, Li SC, Budke M, Pérez-Jiménez MA, Raftopoulos C, Finet P, Michel P, Schaller K, Stienen MN, Baro V, Cantillano Malone C, Pociecha J, Chamorro N, Muro VL, von Lehe M, Vieker S, Oluigbo C, Gaillard WD, Al Khateeb M, Al Otaibi F, Krayenbühl N, Bolton J, Pearl PL, Fallah A

Epilepsia202415 citationsOpen Access

DOI: 10.1111/epi.17689 PMID: 37347512

Identification of a mosaic MTOR variant in purified neuronal DNA in a patient with focal cortical dysplasia using a novel depth electrode harvesting technique.

Klein KM, Mascarenhas R, Merrikh D, Khanbabaei M, Maroilley T, Kaur N, Liu Y, Soule T, Manalo M, Tamura G, Jacobs J, Hader W, Pfeffer G, Tarailo-Graovac M

Epilepsia202413 citationsOpen Access

DOI: 10.1111/epi.17980 PMID: 38587282

Chronic Herpes Simplex Virus Encephalitis with Unexpected Neuropathological Findings.

Sjonnesen K, Hader W, Xu Q, Jacobs J, Federico P, Langdon KD, Appendino JP

The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques20232 citationsOpen Access

DOI: 10.1017/cjn.2023.311 PMID: 37935452

Surgically Remediable Secondary Network Epileptic Encephalopathies With Continuous Spike Wave in Sleep: Lesions May Not Be Visible on Brain Magnetic Resonance Imaging (MRI)

Abdulla Alawadhi, Juan Pablo Appendino, Walter J Hader, Bernard Rosenblatt, Jeremy T. Moreau, François Dubeau, Roy Dudley, Kenneth Alexis Myers

Journal of Child Neurology20229 citations

DOI: 10.1177/08830738221129919 PMID: 36184927

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Walter Hader

Research

Latest papers

Latest funding

Mindfulness meditation increases interictal epileptiform discharges in meditation-na&#xef;ve surgical epilepsy patients.

Correction: National multicentered retrospective review of salvage therapy for pediatric medulloblastoma: a Canadian experience

Detecting somatic variants in purified brain DNA obtained from surgically implanted depth electrodes in epilepsy.

National multicentered retrospective review of salvage therapy for pediatric medulloblastoma: a Canadian experience

Identification of a Second-Hit Brain Somatic DEPDC5 Variant Supports Causality of a DEPDC5 Germline Variant of Uncertain Significance. Time for a Classification Update?

Disconnection Methods in the Surgical Treatment of Epilepsy.

Development of an online calculator for the prediction of seizure freedom following pediatric hemispherectomy using the Hemispherectomy Outcome Prediction Scale (HOPS).

Identification of a mosaic MTOR variant in purified neuronal DNA in a patient with focal cortical dysplasia using a novel depth electrode harvesting technique.

Chronic Herpes Simplex Virus Encephalitis with Unexpected Neuropathological Findings.

Surgically Remediable Secondary Network Epileptic Encephalopathies With Continuous Spike Wave in Sleep: Lesions May Not Be Visible on Brain Magnetic Resonance Imaging (MRI)

Short- and long-term effects of postical hypoxia and its impact on memory function in epilepsy

Elatus: Chronically Implantable Unit-Scale Microelectrode Array Neuromodulation Technology

Frequent collaborators

Voon Yong

Juan Appendino

Samuel Wiebe

Mark Hamilton

Roy Dudley

Paolo Federico

John Kelly

Yves Starreveld

Shaily Singh

Fady Girgis

Alexander Weil

Nathalie Jette

Gerald Pfeffer

George Ibrahim

Samuel Weiss

Amit Persad

Blake Yarascavitch

Sheila Singh

Adam Fleming

Olufemi Ajani

Forough Farrokhyar

Jeff Dunn

Maja Tarailo-Graovac

Gregory Cairncross

Luanne Metz

Mindfulness meditation increases interictal epileptiform discharges in meditation-naïve surgical epilepsy patients.