The research
Every paper, preprint, protocol and code deposit, newest first. The full record is at ORCID.
Published
O’Leary RT. The Preservation of Functional Reserve: A Control Systems Framework for Human Aging. Life. 2026;16(9):1457. doi:10.3390/life16091457
Preprints
O’Leary RT. A Held Number Is Not a Held Rate: Testing Whether Reduced Training Really Maintains Adaptation. Preprints.org, 2026. Preprint. doi:10.20944/preprints202610.2258.v1
O’Leary RT. Longevity Peptides and Functional Reserve: An Evidence Audit of Approved Peptides Against the Capacities That Keep Older Adults Independent. Preprints.org, 2026. Preprint. doi:10.20944/preprints202610.2246.v1
O’Leary RT. Short-Horizon Metrics and the Persistence of Capacity-Debiting Practices in Nursing Homes. Preprints.org, 2026. Preprint. doi:10.20944/preprints202610.1146.v1
O’Leary RT. Weaker, Not Just Lighter: Monitoring Strength and Function, Not Lean Mass, During GLP-1 Weight Loss. Preprints.org, 2026. Preprint. doi:10.20944/preprints202610.0108.v1
O’Leary RT. Assistance State as a Condition of Functional Measurement: Distinguishing Assisted Performance from Performance at a Lower Assistance State. Preprints.org, 2026. Preprint. doi:10.20944/preprints202609.2065.v2
O’Leary RT. The Reserve Protocol: A Measurement Specification for Functional Reserve. Preprints.org, 2026. Preprint. doi:10.20944/preprints202609.1685.v1
O’Leary RT. New Horizons in Reserve Variability: Point, Slope, and the Third Axis of Serial Functional Measurement. Preprints.org, 2026. Preprint. doi:10.20944/preprints202609.0581.v1
O’Leary RT. The Governing Minimum: Multi-Domain Rate Asymmetry Under Challenge as Functional Reserve. Preprints.org, 2026. Preprint. doi:10.20944/preprints202609.0084.v2
O’Leary RT. Unrecorded Load Exceeds the Reference Change Value: Condition of Measurement in GDF15 Research. Preprints.org, 2026. Preprint. doi:10.20944/preprints202608.0304.v1
O’Leary RT. The Preservation of Functional Reserve: A Control-Systems Framework for Human Aging. Preprints.org, 2026. Preprint. Published in Life (above). doi:10.20944/preprints202607.1589.v1
O’Leary RT. Is Immune Homeostatic Competence a Distinct Capacity? A Falsifiable Test for a Sixth Determinant of Functional Reserve. Zenodo, 2026. Preprint. doi:10.5281/zenodo.22728017
O’Leary RT. The Gain–Loss Ratio: Defining a Missing Quantity in Human Capacity Dynamics. SportRxiv, 2026. Preprint. doi:10.51224/SportRxiv.1029
Protocol
O’Leary RT. Does Rate Add to Level? A Prospective Analysis Protocol for Serial Gait Speed and Crossing of a Functional Requirement in the Osteoarthritis Initiative. Zenodo, 2026. Protocol. doi:10.5281/zenodo.23217339
Code and data
O’Leary RT. Same Gait Speed, Different Years Above a Functional Requirement: Model Code and Results. Zenodo, 2026. Code and data. doi:10.5281/zenodo.23123941
O’Leary RT. Paired Gain-Loss Kinetics Under Characterized Training Inputs: Code, Output, Figures, and Supplements. Zenodo, 2026. Code and data. doi:10.5281/zenodo.22813510
O’Leary RT. A Held Number Is Not a Held Rate: Code and Data. Zenodo, 2026. Code and data. doi:10.5281/zenodo.22998966
O’Leary RT. Converged Fits Can Return Zero Loss Rates Despite Ongoing Detraining: Simulation Code, Replicate-Level Output and Diagnostic Scripts. Zenodo, 2026. Code and data. doi:10.5281/zenodo.22945396
O’Leary RT. Observation Span, Not Visit Count, Sets the Precision of a Measured Rate of Functional Decline. Zenodo, 2026. Code and data. doi:10.5281/zenodo.22711331