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Record W2062534035 · doi:10.1055/s-2003-43047

Acute Effects of Cholecystokinin Tetrapeptide on Brain Stem Auditory Evoked Potentials in Healthy Volunteers

2003· article· en· W2062534035 on OpenAlex
Tove Gunnarsson, Colleen Mahoney, Jakov Shlik, Jacques Bradwejn, Verner Knott

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenuePharmacopsychiatry · 2003
Typearticle
Languageen
FieldNeuroscience
TopicNeuropeptides and Animal Physiology
Canadian institutionsUniversity of OttawaRoyal Ottawa Mental Health Centre
Fundersnot available
KeywordsCholecystokininPlaceboMoodAnxietyMedicinePsychologyEvoked potentialAnesthesiaInternal medicineAudiologyPsychiatry

Abstract

fetched live from OpenAlex

This study investigated the effects of continuous slow intravenous infusion of cholecystokinin tetrapeptide (CCK-4) on brain stem auditory evoked potentials (BSAEP) in healthy subjects. Twenty-four subjects, 15 females and 9 males, were assigned to infusion with either placebo or CCK-4 in a randomized, double-blind, parallel group design. BSAEPs, mood, physical symptoms, and vital signs were assessed once before infusion and at 10 min and 40 min after the onset of infusion. In the 16 subjects (N = 8, CCK-4; N = 8, placebo) CCK-4, compared to placebo, delayed peak I latency during early infusion, slowed the latencies of peaks III and V, and decreased the amplitude of peak III throughout the infusion. No significant treatment differences were observed with respect to symptoms, mood, or cardiovascular measures. These preliminary findings suggest that CCK-4 may interfere with information processing in the brain stem auditory pathways and that prolonged intravenous CCK-4 administration may be a useful challenge paradigm for investigating CCK's modulatory role on brain stem mechanisms mediating anxiety and panic in humans.

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.

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)0.000
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: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.011
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
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 head0.017
GPT teacher head0.295
Teacher spread0.279 · 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