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Record W3215165367 · doi:10.1016/j.brs.2021.10.297

Repetitive Transcranial Magnetic Stimulation Improves Neuropsychiatric Manifestations in Adult-onset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia

2021· article· en· W3215165367 on OpenAlexaff
Amaar Marefi, Michaela Barbarosie, Roberta La Piana

Bibliographic record

VenueBrain stimulation · 2021
Typearticle
Languageen
FieldNeuroscience
TopicNeurogenesis and neuroplasticity mechanisms
Canadian institutionsMontreal Neurological Institute and HospitalMcGill UniversityMontreal Children's Hospital
Fundersnot available
KeywordsLeukoencephalopathyTranscranial magnetic stimulationNeuroscienceStimulationMedicineLeukodystrophyDeep brain stimulationSpheroidPathologyMagnetic resonance imagingPsychologyBiologyRadiology

Abstract

fetched live from OpenAlex

Personalizing the stimulation location of transcranial neurostimulation based on the subject's individual anatomy is becoming more important in clinical research.In the case of focal epilepsy, there often is a clear target to stimulate that can be found by analysis of multi-modal clinical data, including EEG source localization.Hypothesizing its clinical importance, we developed a procedure to exploit the spatial target information and optimize the tDCS montage such that the induced electric field has maximum overlap with the target.This could be beneficial to tailor the treatment on a per-patient basis, so every patient will be stimulated with the intended field at the intended location.While commercial workflows for personalized tDCS exist, a flexible, easyto-use and open-source software that integrates EEG source localization and tDCS optimization techniques in one application was not yet available.To support open research, we therefore combined open-source solutions into an intuitive MATLAB software tool for (clinical) research purposes.This tool interfaces intuitively with other open-source tools: the Brainstorm package (EEG processing and source localization) and SimNibs (neurostimulation optimization).The most relevant parameters such as tissue conductivity and optimization constraints can be changed via the user interface.Based on MRI data, a head segmentation can be made and converted into a FEM model for both software's.Clinical targets can be defined in subject space or calculated via source localization.A tDCS montage can be optimized for this target using either patch electrodes or high-definition electrodes.The field maps for the optimized montage and the field distribution histograms are presented in the user interface.Based on these analyses, the tool produces a report in which the flow from input to output can be analyzed.In this way, clinical researchers worldwide are offered a research tool for streamlining the research into dose-effect relations, as well as personalization possibilities.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.851
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.013
GPT teacher head0.237
Teacher spread0.224 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2021
Admission routes1
Has abstractyes

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