Diurnal variation in variables related to cognitive performance

Diurnal variation in the Positive Affects | Motivation and Emotion

Significant diurnal variation was found to exist in overall Positive Affect, and in four component content areas, but not in Negative Affect.

Time-of-day variation in sustained attentional control

Sustained attention is a fundamental cognitive function underlying many activities in daily life including workplace safety, but its natural ...

Circadian variation in swim performance

Previous findings of time-of-day differences in athletic performance could be confounded by diurnal fluctuations in environmental and behavioral “masking” ...

Longitudinal Sleep Patterns and Cognitive Impairment in Older Adults

Previous studies focusing on the association of changes in longitudinal sleep duration with cognition in aging have produced mixed results. Both ...

DIURNAL VARIATION IN LANGUAGE TESTS AND RELEVANCE ...

It was also documented that aging and dementia alter time-dependent patterns of various human metabolic and cognitive functions. ... We recognized that these ...

[PDF] A time to think: Circadian rhythms in human cognition

The picture that emerges from this assessment is that beyond physiological variables, time-of-day modulations affect performance on a wide range of ...

Circadian and Diurnal Regulation of Cerebral Blood Flow

Circadian and diurnal variation in cerebral blood flow directly contributes to the diurnal variation in the risk of stroke.

Circadian variation in cognition: a comparative study between sleep ...

Therefore, in order to provide any real predictive power for individual factors related to cognitive function, further research with repeated testing is ...

Neuro-Cognitive Profile of Morning and Evening Chronotypes at ...

The present study investigated the effect of chronotype (morning “M” vs. evening “E”) on cognitive measures as a function of time of the day.

Cognition in Context: Understanding the Everyday Predictors of ...

Background: Research suggests that variability in attention and working memory scores, as seen across time points, may be a sensitive ...

Activity and Light Exposure Rhythms Associated with Cognitive ...

The associations between cognitive performance and RAR and LER variables ... between changes in the RAR and LER and the cognitive function ...

Diurnal and circadian variation of sleep and alertness in men vs ...

These results are consistent with the lower nighttime performance scores in women compared with men reported by Santhi et al. (25). In that ...

Diurnal Variation and Caffeine Effects in Attention and Processing ...

The Test of Variables of Attention (TOVA) is a continuous performance test (CPT) that assesses attention, impulsivity and processing speed. CPTs are used in the ...

Rest-activity rhythm disturbance in liver cirrhosis and association ...

Working memory, attention, and set-shifting are three main cognitive constructs of executive function, which refers to cognitive control of goal-directed ...

Circadian Rhythm and Memory Performance: No Time-Of-Day Effect ...

Circadian arousal troughs, by contrast, may not offer sufficient cognitive capacities necessary to engage in efficient cognitive processing, ...

Comparative the Diurnal Changes in the Cognitive Abilities ... - IJFMR

Mental fatigue is strongly related with decrease in cognitive task performance of Parkinson's patients. ... existence of other co morbidities, other variables.

Cognition - CONICET

of decision variables typical of laboratory experiments and a more realistic setting to study and apply circadian variation in behavior and performance.

Circadian Rhythm Changes in Healthy Aging and Mild Cognitive ...

The main findings are that abnormal circadian changes in rest-activity, core body temperature, melatonin, and cortisol rhythms appear in the MCI ...

How does the time of day impact cognitive performance and ...

This suggests that circadian rhythms play a crucial role in cognitive assessments and productivity. Diurnal variation in variables related to cognitive ...

Effects of Light on Cognitive Brain Responses Depend on Circadian ...

How the direct impact of light on brain function varies with wavelength of light, circadian phase, and sleep homeostasis, and how this differs between ...