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Look up ultradian in Wiktionary, the free dictionary. In chronobiology, an ultradian rhythm is a recurrent period or cycle repeated throughout a 24-hour...

hypothesized to occur during both sleep and wakefulness. Empirically, it is an ultradian rhythm of approximately 90 minutes (80–120 minutes) characterized by different...

over the day night cycle, cortisol is also released in an ultradian rhythm. This ultradian rhythm is characterised by hourly pulses of cortisol secretion...

slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from...

reproduction cycles in many plants and animals, or the human menstrual cycle. Ultradian rhythms, which are cycles shorter than 24 hours, such as the 90-minute...

respect to its optimal pharmacological management. "Ultra rapid" and "ultradian" have been applied to faster-cycling types of bipolar disorder. People...

which have just one nostril). In humans, the nasal cycle is the normal ultradian cycle of each nostril's blood vessels becoming engorged in swelling, then...

through forced nostril breathing on one side) has an effect on endogenous ultradian rhythms of the autonomic and central nervous system. However, more recent...

molting and fur or hair growth, and tidal or seasonal rhythms. In contrast, ultradian rhythms have periods shorter (<24 hours) than the period of a circadian...

contributes to the ultradian rhythm of TSH concentration with about 10 pulses per 24 hours. The amplitude of the circadian and ultradian rhythms is reduced...

daily) rhythm, while other cell clusters appear capable of shorter-range (ultradian) timekeeping. Mental chronometry is the use of response time in perceptual-motor...

reproduction cycles in many plants and animals, or the human menstrual cycle. Ultradian rhythms, which are cycles shorter than 24 hours, such as the 90-minute...

of people with bipolar disorder Hypomania Mood (psychology) Mood swing Ultradian bipolar disorder Koukopoulos, A (January 2003). "Ewald Hecker's description...

Polymerase chain reaction – Soil degradation – Stomach cancer – Triage – Ultradian rhythm - Urea cycle – Zygote Bioelectricity – Circadian rhythm – Consciousness...

clusters appear to be capable of shorter-range timekeeping, known as an ultradian rhythm. One or more dopaminergic pathways in the central nervous system...

in these circumstances, become out of phase with other circadian or ultradian rhythms such as metabolic, hormonal, CNS electrical, or neurotransmitter...

Linthorst, ACE (2008). "Corticosterone Levels in the Brain Show a Distinct Ultradian Rhythm but a Delayed Response to Forced Swim Stress". Endocrinology. 149...

generates a roughly 24 hour circadian clock. In the circadian day an ultradian rhythm takes control of the sleeping pattern. Sleep is an essential requirement...

change their sleeping pattern from one synchronised with the sun to an ultradian pattern, in which they sleep when they need to digest food. δ13CC values...

influence an individual's mood. Infradian rhythm Phase response curve Ultradian rhythm Ehlers, Cindy L.; Frank, E.; Kupfer, D. J. (1988). "Social Zeitgebers...

TSH is released in a pulsatile manner resulting in both circadian and ultradian rhythms of its serum concentrations. TSH is a glycoprotein and consists...

reinterpreted in relation to previous semantic representations or nodes." In the ultradian sleep cycle, an organism alternates between deep sleep (slow, large, synchronized...

one report case of nimodipine being successfully used for treatment of ultradian bipolar cycling after brain injury and, later, amygdalohippocampectomy...

(2019). "Defecation by the ctenophore Mnemiopsis leidyi occurs with an ultradian rhythm through a single transient anal pore". Invertebrate Biology. 138:...

research about ultradian rhythms, which are short-term rhythms with short-lasting periods. He has shown that in constant dark conditions, ultradian rhythms can...

quotidian, semidiurnal, sojourn, transmeridional, triduan, triduum, ultradian dictum, indicatio dict-/dit- word air-conditioning, Benedict, Benedictine...

Bonev, Boyan; Stanley P; Papalopulu N. (2012). "miR-9 modulates Hes1 ultradian oscillations by forming a double negative-feedback loop". Cell Reports...

reflecting annual, monthly, fortnightly, tidal, daily, and sub-daily (ultradian) increments of time. The regular time increments are controlled by biological...

circadian rhythms of the body. Thus, though it falls in the domain of an ultradian rhythm, the circasemidian rhythm may be the first harmonic of the circadian...

secreted in the circulatory system in reaction to stressors and also in an ultradian and circadian manner. The elevated 24-hour urinary free cortisol (UFC)...

which the organism is unable to entrain; for example, a very short (or ultradian) period of one hour dark and two hours light. Other rhythm disruptions...

daily) rhythm, while other cell clusters appear to be capable of shorter (ultradian) timekeeping. There is some evidence that very short (millisecond) durations...

"rest-activity" cycles, leading to many fundamental findings on circadian and ultradian rhythms. Kleitman proposed the existence of a Basic rest activity cycle...

varies. They may last a few hours – ultrarapid – or extend over days – ultradian: clinicians maintain that only when four continuous days of hypomania...

Poindessous-Jazat F, Tomasetto C, Epelbaum J, Bluet-Pajot MT (April 2002). "Ultradian rhythmicity of ghrelin secretion in relation with GH, feeding behavior...

(December 2004). "State transitions between wake and sleep, and within the ultradian cycle, with focus on the link to neuronal activity". Sleep Med Rev. 8...

spaced tactile stimuli as separate. Used to assess somatosensory function. Ultradian rhythm A recurrent biological cycle that occurs more than once in 24 hours...

The Salk, demonstrating how the nasal cycle is tightly coupled to the ultradian rhythm of alternating cerebral hemispheric activity (Werntz DA, Bickford...

extracellular space Biological process cell growth regulation of growth ultradian rhythm rhythmic process Sources:Amigo / QuickGO Orthologs Species Human...

dysregulation List of people with bipolar disorder Mood (psychology) Mood swing Ultradian bipolar disorder "International impact of bipolar disorder highlights...

program Twin study Type A and Type B personality theory Type D personality Ultradian rhythm Unconditional positive regard Unconditioned response Unconditioned...

Eccentric Deliquescence Sensory (DVD) Cycle Scape Neptune Cellosphere Ultradian Rhythms Circadian Rhythms MASK – Heavy Petal MASK – Technopia For Films...

Sinetova, MA; Valledor, L; Sherman, LA; Nedbal, L (August 6, 2013). "Ultradian metabolic rhythm in the diazotrophic cyanobacterium Cyanothece sp. ATCC...

external side of plasma membrane Biological process rhythmic process ultradian rhythm Sources:Amigo / QuickGO Orthologs Species Human Mouse Entrez 55068...

Retrieved 8 May 2021. "Corticosterone Levels in the Brain Show a Distinct Ultradian Rhythm but a Delayed Response to Forced Swim Stress". Retrieved 24 July...

molecular level to those of behavioural or clinical topics involving ultradian, circadian, infradian, or annual rhythms. The journal publishes original...

and photic manipulation of the circadian pacemaker. 1991 M.P. Gerkema: Ultradian and circadian oscillators in the temporal organization of behaviour in...

Dreaming. Lavie, P. Ministry of Defense Publication, Israel, 1981 (Heb.). Ultradian Rhythms in Physiology and Behavior. Schulz, H. and Lavie, P. (Eds.) Springer...

PDF-dependent modulation of K+ and Na+ ion channels in coupled pacemakers causes ultradian membrane potential oscillations for efficient synchronization of pacemaker...