The influence of age, work schedule and personality on morningness dimension

Adán, Ana

doi:10.1016/0167-8760(92)90001-r

Cited by 43 publications

(12 citation statements)

References 7 publications

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“…The association of morningness with left hemisity and eveningness with right hemisity here is consistent with other literature correlates of chronotype too numerous to cite here, such as (Adan and Almirall, 1992 or Muro et al, 2009). Eveningness is significantly associated with extraversion, impulsivity, externalizing behaviors, lower self-control, higher novelty seeking, greater sensation seeking, greater risk-taking propensity, greater openness to experience, a greater sense of humor, and more frequent nightmares.…”

Section: Discussionsupporting

confidence: 91%

Left and right brain-oriented hemisity subjects show opposite behavioral preferences

Morton¹

2012

Front. Physio.

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Introduction: Recently, three independent, intercorrelated biophysical measures have provided the first quantitative measures of a binary form of behavioral laterality called “Hemisity,” a term referring to inherent opposite right or left brain-oriented differences in thinking and behavioral styles. Crucially, the right or left brain-orientation of individuals assessed by these methods was later found to be essentially congruent with the thicker side of their ventral gyrus of the anterior cingulate cortex (vgACC) as revealed by a 3 min MRI procedure. Laterality of this putative executive structural element has thus become the primary standard defining individual hemisity. Methods: Here, the behavior of 150 subjects, whose hemisity had been calibrated by MRI, was assessed using five MRI-calibrated preference questionnaires, two of which were new. Results: Right and left brain-oriented subjects selected opposite answers (p > 0.05) for 47 of the 107 “either-or,” forced choice type preference questionnaire items. The resulting 30 hemisity subtype preference differences were present in several areas. These were: (1) in logical orientation, (2) in type of consciousness, (3) in fear level and sensitivity, (4) in social-professional orientation, and (5) in pair bonding-spousal dominance style. Conclusions: The right and left brain-oriented hemisity subtype subjects, sorted on the anatomical basis of upon which brain side their vgACC was thickest, showed 30 significant differences in their “either-or” type of behavioral preferences.

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Section: Discussionsupporting

confidence: 91%

Left and right brain-oriented hemisity subjects show opposite behavioral preferences

Morton¹

2012

Front. Physio.

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“…Most studies have indicated a robust structure-function relationship between the left DLPFC and attention-control function [49]–[51]. Laterality discrepancy in the DLPFC between the ability to overcome sleepiness and attention-control may suggest a qualitative difference between them in executing WM processes.…”

Section: Discussionmentioning

confidence: 99%

Right Prefrontal Activity Reflects the Ability to Overcome Sleepiness during Working Memory Tasks: A Functional Near-Infrared Spectroscopy Study

et al. 2010

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It has been speculated that humans have an inherent ability to overcome sleepiness that counteracts homeostatic sleep pressure. However, it remains unclear which cortical substrate activities are involved in the ability to overcome sleepiness during the execution of cognitive tasks. Here we sought to confirm that this ability to overcome sleepiness in task execution improves performance on cognitive tasks, showing activation of neural substrates in the frontal cortex, by using a modified n-back (2- and 0-back) working memory task and functional near-infrared spectroscopy. The change in alertness was just correlated with performances on the 2-back task. Activity in the right prefrontal cortex changed depending on alertness changes on the 2- and 0-back tasks independently, which indicates that activity in this region clearly reflects the ability to overcome sleepiness; it may contribute to the function of providing sufficient activity to meet the task load demands. This study reveals characteristics of the ability to overcome sleepiness during the n-back working memory task which goes beyond the attention-control function traditionally proposed.

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“…Demographic variables included age, gender, management responsibilities and previous travel overseas to other malaria-endemic areas. Behavioural variables included tobacco consumption, wake and sleep time during the stay and usual morningness or eveningness determined by the Horne and Ösberg Morningness-Eveningness Questionnaire [18,19]. Morningness and eveningness were used to determine chronotype.…”

Section: Methodsmentioning

confidence: 99%

Determinants of compliance with anti-vectorial protective measures among non-immune travellers during missions to tropical Africa

Sagui

Resseguier

Machault

et al. 2011

Malar J

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BackgroundThe effectiveness of anti-vectorial malaria protective measures in travellers and expatriates is hampered by incorrect compliance. The objective of the present study was to identify the determinants of compliance with anti-vectorial protective measures (AVPMs) in this population that is particularly at risk because of their lack of immunity.MethodsCompliance with wearing long clothing, sleeping under insecticide-impregnated bed nets (IIBNs) and using insect repellent was estimated and analysed by questionnaires administered to 2,205 French military travellers from 20 groups before and after short-term missions (approximately four months) in six tropical African countries (Senegal, Ivory Coast, Chad, Central African Republic, Gabon and Djibouti). For each AVPM, the association of "correct compliance" with individual and collective variables was investigated using random-effect mixed logistic regression models to take into account the clustered design of the study.ResultsThe correct compliance rates were 48.6%, 50.6% and 18.5% for wearing long clothing, sleeping under bed nets and using repellents, respectively. Depending on the AVPM, correct compliance was significantly associated with the following factors: country, older than 24 years of age, management responsibilities, the perception of a personal malaria risk greater than that of other travellers, the occurrence of life events, early bedtime (i.e., before midnight), the type of stay (field operation compared to training), the absence of medical history of malaria, the absence of previous travel in malaria-endemic areas and the absence of tobacco consumption.There was no competition between compliance with the different AVPMs or between compliance with any AVPM and malaria chemoprophylaxis.ConclusionInterventions aimed at improving compliance with AVPMs should target young people without management responsibilities who are scheduled for non-operational activities in countries with high risk of clinical malaria. Weak associations between compliance and history of clinical malaria or variables that pertain to threat perception suggest that cognition-based interventions referencing a "bad experience" with clinical malaria could have only a slight impact on the improvement of compliance. Further studies should focus on the cognitive and behavioural predictors of compliance with AVPMs.

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The influence of age, work schedule and personality on morningness dimension

Cited by 43 publications

References 7 publications

Left and right brain-oriented hemisity subjects show opposite behavioral preferences

Left and right brain-oriented hemisity subjects show opposite behavioral preferences

Right Prefrontal Activity Reflects the Ability to Overcome Sleepiness during Working Memory Tasks: A Functional Near-Infrared Spectroscopy Study

Determinants of compliance with anti-vectorial protective measures among non-immune travellers during missions to tropical Africa

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