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EEG abnormalities and 3‐year outcome in first episode psychosis

2007· article· en· W2002821906 on OpenAlexaff
Rahul Manchanda, Ross Norman, Ashok Malla, Raj Harricharan, Sarah Northcott

Bibliographic record

VenueActa Psychiatrica Scandinavica · 2007
Typearticle
Languageen
FieldMedicine
TopicSchizophrenia research and treatment
Canadian institutionsMcGill UniversityWestern University
Fundersnot available
KeywordsPsychosisAnxietyDepression (economics)ElectroencephalographyPsychiatryPsychologyPersistence (discontinuity)PediatricsMedicine

Abstract

fetched live from OpenAlex

OBJECTIVE: This study assesses the relationship of EEG to several aspects of 3 year symptomatic and functional outcome in first episode psychosis. METHOD: A total of 117 patients with first episode psychosis had their baseline EEG classified by modified Mayo Clinic criteria as normal, essentially normal or dysrhythmia. Socio-demographic variables, duration of illness and of untreated psychosis and premorbid adjustment were also recorded. Positive and negative symptoms of psychoses, depression, anxiety and global functioning were rated on entry and after 3 years of treatment. RESULTS: Patients with a dysrhythmic EEG at entry into treatment showed significantly greater persistence in both positive and negative symptoms of psychoses as well as anxiety and depression over 3 years. These findings were independent of duration of untreated illness or premorbid adjustment. CONCLUSION: An abnormal baseline EEG in patients with first episode psychosis is associated with a poorer symptomatic outcome at 3-year follow-up.

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)0.000
Version: codex-gemma-dda1882f352aValidation 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 score0.018
Threshold uncertainty score0.797

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
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 head0.020
GPT teacher head0.318
Teacher spread0.298 · 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.

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

Citations24
Published2007
Admission routes1
Has abstractyes

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