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Record W4389206798 · doi:10.22215/etd/2023-15799

Disrupted Cholinergic Innervation in Mild Traumatic Brain Injury: Preliminary Evidence from an [18F]FEOBV PET Study

2023· dissertation· en· W4389206798 on OpenAlexafffund
Cecelia Shvetz

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicNicotinic Acetylcholine Receptors Study
Canadian institutionsCarleton University
FundersJ.P. Bickell Foundation
KeywordsCholinergicTraumatic brain injuryCognitionNeuroscienceEffects of sleep deprivation on cognitive performancePsychologyMedicineAcetylcholineNeurologyInternal medicinePsychiatry

Abstract

fetched live from OpenAlex

Mild traumatic brain injury (mTBI) is a common neurological disorder characterized by chronic cognitive impairment.Cholinergic neurotransmission is important in cognition.For example, nicotine and acetylcholinesterase inhibitors boost cholinergic neurotransmission and improve cognition in healthy individuals and those with neurodegenerative illnesses.Thus, its dysregulated activity could contribute to impaired cognition post-injury.The majority of like to thank Rami Hamati and Zacharie Saint-Georges for teaching me the ins and outs of PET analysis.Without their guidance, this thesis project would not have been possible.Moreover, I would like to thank the members of my thesis advisory committee, Dr. Robyn McQuaid and Dr. Natalia Jaworska.Their mentorship has

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.003
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.000

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 head0.046
GPT teacher head0.380
Teacher spread0.333 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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
Published2023
Admission routes2
Has abstractyes

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