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Record W2129452952 · doi:10.1016/s0924-9338(15)31827-7

The Effect of Antipsychotic Dose-reduction On Cognition

2015· article· en· W2129452952 on OpenAlexaff
Hiroyoshi Takeuchi

Bibliographic record

VenueEuropean Psychiatry · 2015
Typearticle
Languageen
FieldMedicine
TopicTreatment of Major Depression
Canadian institutionsCentre for Addiction and Mental Health
Fundersnot available
KeywordsAntipsychoticReduction (mathematics)CognitionPsychologySchizophrenia (object-oriented programming)MedicineCognitive psychologyPsychiatryMathematics

Abstract

fetched live from OpenAlex

Cognitive impairment is one of the core features in schizophrenia, which is closely related to functional impairment. Despite tremendous efforts to develop pro-cognitive drugs for schizophrenia, no cognitive enhancer is currently available. Beneficial effects of antipsychotic medication on cognition have remained controversial; in fact, both typical and atypical antipsychotics have been shown to induce cognitive impairment across various domains in healthy subjects as well as patients with schizophrenia. However, data on antipsychotic dosing strategy for improvement of cognitive function have been scarce. In this presentation, the presenter will review the available evidence showing the relationship between antipsychotic dose and cognitive impairment and discuss antipsychotic dosing strategy to achieve better cognitive function. To date, a body of evidence has suggested that higher dose of antipsychotics or excessive dopaminergic blockade impairs cognitive function in patients with schizophrenia, even treated with atypical antipsychotics. Furthermore, a recent randomized controlled trial demonstrated that dose reduction of risperidone or olanzapine by half improved cognitive function without significantly increasing the risk of relapse or clinical worsening for stable patients with schizophrenia over six months. These results highlight the fact that even atypical antipsychotics can induce cognitive impairment in a dose-dependent fashion, and underscore the need for using the lowest possible dose of typical or atypical antipsychotics to minimize or prevent such cognitive side effects.

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)0.002
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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.006

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.000

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 head0.018
GPT teacher head0.287
Teacher spread0.269 · 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

Citations3
Published2015
Admission routes1
Has abstractyes

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Same venueEuropean PsychiatrySame topicTreatment of Major DepressionFrench-language works237,207