2014
DOI: 10.1111/ejn.12569
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Involvement of dopamine signaling in the circadian modulation of interval timing

Abstract: Duration discrimination within the seconds-to-minutes range, known as interval timing, involves the interaction of cortico-striatal circuits via dopaminergic-glutamatergic pathways. Besides interval timing, most (if not all) organisms exhibit circadian rhythms in physiological, metabolic and behavioral functions with periods close to 24 h. We have previously reported that both circadian disruption and desynchronization impaired interval timing in mice. In this work we studied the involvement of dopamine (DA) s… Show more

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Cited by 37 publications
(46 citation statements)
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“…Although this circadian dopamine input signalling system to peri‐SCN/SCN neurones to regulate clock functions controlling peripheral fuel metabolism is a unique finding, it mirrors the similar circadian dopamine regulation of striatal clock gene expression . In the striatum and several other areas of the brain, circadian dopamine‐dopamine receptor interactions regulate the circadian expression of cellular clock genes that in turn modulate (i) particular functionalities of the neurone, as well as (ii) the dopamine‐dopamine receptor circadian interaction (ie, feedback) . The circadian dopamine‐dopamine receptor interactions at the peri‐SCN/SCN may well function to regulate circadian dopamine‐dopamine receptor interactions governing clock gene expression in the striatum in that the SCN has been observed to modulate striatal circadian neuronal activities .…”
Section: Discussionmentioning
confidence: 93%
“…Although this circadian dopamine input signalling system to peri‐SCN/SCN neurones to regulate clock functions controlling peripheral fuel metabolism is a unique finding, it mirrors the similar circadian dopamine regulation of striatal clock gene expression . In the striatum and several other areas of the brain, circadian dopamine‐dopamine receptor interactions regulate the circadian expression of cellular clock genes that in turn modulate (i) particular functionalities of the neurone, as well as (ii) the dopamine‐dopamine receptor circadian interaction (ie, feedback) . The circadian dopamine‐dopamine receptor interactions at the peri‐SCN/SCN may well function to regulate circadian dopamine‐dopamine receptor interactions governing clock gene expression in the striatum in that the SCN has been observed to modulate striatal circadian neuronal activities .…”
Section: Discussionmentioning
confidence: 93%
“…First, the time of the day on which the tests were carried out could not be controlled across participants. There is, however, some evidence that points to an interaction between time perception and circadian rhythm (e.g., Lustig and Meck, 2001 ; Kuriyama et al, 2003 ; Bussi et al, 2014 ). Also we did not account for possible effects by other hormones.…”
Section: Discussionmentioning
confidence: 99%
“…Given that a robust relationship between the circadian oscillator and events in the secondsto-minutes range has been previously established [41][42][43][44], these results contribute to the expansion of the role of the circadian system in regulating the shorter-duration temporal events mediated by the interaction of "time cells" in the cerebellum, striatum, and hippocampus [11,45,46]. Moreover, these novel findings take the lead in establishing a fundamental relation between interval timing in the seconds-to-minutes range and daily photoperiod as a function of the annual/seasonal cycle [47].…”
Section: Plos Onementioning
confidence: 99%