Mostrando 1,201 - 1,220 Resultados de 24,457 Para Buscar '"Rhythm', tiempo de consulta: 0.29s Limitar resultados
  1. 1201
    por Sehgal, Amita
    Publicado 2020
    “…The symposium will highlight the reciprocal relationship between aging and sleep and circadian rhythms. Circadian rhythms and sleep deteriorate with age, but at the same time, disruptions in these processes can contribute too aging. …”
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  2. 1202
    por Ueno, Takahisa, Takahashi, Yuma
    Publicado 2020
    “…However, it remains to be elucidated whether such intra‐population variation in the level and rhythms of daily activity exists in a natural population. …”
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  3. 1203
  4. 1204
  5. 1205
    “…The chi-square periodogram (CSP), developed over 40 years ago, continues to be one of the most popular methods to estimate the period of circadian (circa 24-h) rhythms. Previous work has indicated the CSP is sometimes less accurate than other methods, but understanding of why and under what conditions remains incomplete. …”
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  6. 1206
    “…Here we report that transcription factor GATA6, whose mutations in humans are linked to arrhythmia, is highly expressed in the SAN and its haploinsufficiency in mice results in hypoplastic SANs and rhythm abnormalities. Cell-specific deletion reveals a requirement for GATA6 in various SAN lineages. …”
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  7. 1207
    “…Chest compressions during cardiopulmonary resuscitation (CPR) induce artifacts in the ECG that may provoque inaccurate rhythm classification by the algorithm of the defibrillator. …”
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  8. 1208
    “…Background: Recent studies with the mood rhythm instrument (MRhI) have shown that the presence of recurrent daily peaks in specific mood symptoms are significantly associated with increased risk of psychiatric disorders. …”
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  9. 1209
    “…These rhythmic responses are often interpreted as endogenous neural oscillations aligned (or “entrained”) to the stimulus rhythm. However, stimulus-aligned brain responses can also be explained as a sequence of evoked responses, which only appear regular due to the rhythmicity of the stimulus, without necessarily involving underlying neural oscillations. …”
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  10. 1210
    “…We found no associations of 24‐hour activity rhythms with dementia risk. DISCUSSION: Poor sleep, but not 24‐hour activity rhythm disturbance, is associated with increased risk of dementia. …”
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  11. 1211
    “…We demonstrate that knockdown of the slowpoke (slo) potassium channel in PI cells reliably decreases circadian rest:activity rhythm strength. Interestingly, slo mutants have previously been shown to have aberrant rest:activity rhythms, in part due to a necessary function of slo within central clock cells. …”
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  12. 1212
    “…Stochastic qualifiers of brain dynamics are strongly affected by endogenous and exogenous rhythms acting on various time scales—ranging from hours to days. …”
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  13. 1213
  14. 1214
    “…All mammalian cells exhibit circadian rhythm in cellular metabolism and energetics. Autonomous cellular clocks are modulated by various pathways that are essential for robust time keeping. …”
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  15. 1215
    “…Computational models of neural circuits with varying levels of biophysical detail have been generated in pursuit of an underlying mechanism explaining the ubiquitous hippocampal theta rhythm. However, within the theta rhythm are at least two types with distinct frequencies associated with different behavioral states, an aspect that must be considered in pursuit of these mechanistic explanations. …”
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  16. 1216
    “…This suggests that the delay of food intake in the active phase impairs uterine functions by interfering with circadian rhythms. OBJECTIVES: To examine the relation between the delay of feeding and uterine circadian rhythms, we investigated the effects of the first meal occasion in the active phase on the uterine clock. …”
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  17. 1217
  18. 1218
    “…Ageing is also associated with diminished circadian outputs and a dysregulation of the circadian rhythm. Despite this, there is little evidence to show the direct impact of age-associated dampening of circadian rhythms on the dysregulation of leukocyte trafficking. …”
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  19. 1219
    “…Multiple studies have found that the aberrant expression of rhythm genes is closely related to the occurrence of LIHC. …”
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  20. 1220
    “…Furthermore, disrupted circadian rhythms are linked to higher risk for stroke and play a role in stroke outcome. …”
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