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Research article

First published 2017-2

Developmental Changes in Ultradian Sleep Cycles across Early Childhood

Sean Lopp, William Navidi, Peter Achermann [...]

Journal of Biological Rhythms

Retricted access

Research article

First published 1999-3

Nimodipine Treatment of an Adolescent with Ultradian Cycling Bipolar Affective Illness

Pablo A. Davanzo, Natalie Krah, Jillian Kleiner [...]

Journal of Child and Adolescent Psychopharmacology

Free access

Research article

First published 2012-6

Enhancement and Suppression of Ultradian and Circadian Rhythms across the Female Hamster Reproductive Cycle

Brian J. Prendergast, Annaliese K. Beery, Matthew J. Paul [...]

Journal of Biological Rhythms

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Research article

First published 2003-09

Definitions of Rapid,Ultrarapid,and Ultradian Cycling and of Episode Duration in Pediatric and Adult Bipolar Disorders: A Proposal to Distinguish Episodes from Cycles

Rebecca Tillman, Barbara Geller

Journal of Child and Adolescent Psychopharmacology

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Other

First published 2008-08

Human Tau in an Ultradian Light-Dark Cycle

Helen J. Burgess, Charmane I. Eastman

Journal of Biological Rhythms

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Research article

First published 2026-4

Nocturnal Autonomic Nervous System Dynamics and Chronic Painful Temporomandibular Disorders

J.C. Nickel, Y.M. Gonzalez, Y. Wu [...]

JDR Clinical & Translational Research

Retricted access

Research article

First published 1988-10

Motor Learning and Ultradian Sleep Cycle: An Electroencephalographic Study of Trampoliners

Joachim Buchegger, Alfred Meier-Koll

Perceptual and Motor Skills

Open access

Letter

First published 2024-11

Dopamine Dysregulation Syndrome Mimicking Ultradian Cycling Bipolar Disorder in Parkinson’s Disease

Samarth Shetty, Arpita Sharma, Harkishan Mamtani [...]

Indian Journal of Psychological Medicine

Open access

Research article

First published 2023

Activation of the PACAP/PAC1 Signaling Pathway Accelerates the Repair of Impaired Spatial Memory Caused by an Ultradian Light Cycle

Dejiao Xu, Ying Zhang, Jun Feng [...]

ASN Neuro

Free access

Research article

First published 2017-10

A Model-Based Approach to Optimizing Ultradian Forced Desynchrony Protocols for Human Circadian Research

Nora Stack, David Barker, Mary Carskadon [...]

Journal of Biological Rhythms

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