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Research article

First published 2020-4

Estimating Representative Group Intrinsic Circadian Period from Illuminance-Response Curve Data

Nora Stack, Jamie M. Zeitzer, Charles Czeisler [...]

Journal of Biological Rhythms

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Research article

First published 2011-8

On the Intrinsic Estimator and Constrained Estimators in Age-Period-Cohort Models

Wenjiang J. Fu, Kenneth C. Land, Yang Yang

Sociological Methods & Research

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Research article

First published 2020-12

The Role of Light Sensitivity and Intrinsic Circadian Period in Predicting Individual Circadian Timing

Julia E. Stone, Elise M. McGlashan, Nina Quin [...]

Journal of Biological Rhythms

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Research article

First published 2024-4

Mathematical Analysis of Light-sensitivity Related Challenges in Assessment of the Intrinsic Period of the Human Circadian Pacemaker

Imran M. Usmani, Derk-Jan Dijk, Anne C. Skeldon

Journal of Biological Rhythms

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Letter

First published 2025-10

It’s Not Just Light: Assessing the Intrinsic Period of the Human Circadian Pacemaker Under Dim Light Conditions Should Include Non-Photic Influences

Melissa A St Hilaire, Charles A Czeisler, Elizabeth B Klerman

Journal of Biological Rhythms

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Other

First published 2004-12

2. A Methodological Comparison of Age-Period-Cohort Models: The Intrinsic Estimator and Conventional Generalized Linear Models

Yang Yang, Wenjiang J. Fu, Kenneth C. Land

Sociological Methodology

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Research article

First published 2001-02

Effects of Aging on the Intrinsic Circadian Period of Totally Blind Humans

Adam R. Kendall, Alfred J. Lewy, Robert L. Sack

Journal of Biological Rhythms

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Research article

First published 2005-04

Intrinsic Period and Light Intensity Determine the Phase Relationship between Melatonin and Sleep in Humans

Kenneth P. Wright, Claude Gronfier, Jeanne F. Duffy [...]

Journal of Biological Rhythms

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Research article

First published 1997-7

Intrinsic and Extrinsic Timing in Stutterers' Speech: Data and Implications

David Ward

Language and Speech

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Research article

First published 2011-8

Intrinsic Estimators as Constrained Estimators in Age-Period-Cohort Accounting Models

Robert M. O’Brien

Sociological Methods & Research

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