Temporal niche partitioning may result from interference competition if animals shift their activity patterns to avoid aggressive competitors. If doing so also shifts food sources, it is difficult to distinguish the effects of interference and consumptive competition in selecting for temporal niche shift. Bees compete for pollen and nectar from flowers through both interference and consumptive ...

I am very honored to participate on this panel this evening and am particularly grateful to Ann Louise Silver for her wisdom in arranging this panel as the opening session of a scientific program of the American Academy of Psychoanalysis. I feel both fortunate and saddened to be on this panel. I feel fortunate for the opportunity to engage in this polylogue and share some of my own thoughts wit...

The aim of our study was to examine the effects of 16.7 Hz electromagnetic-field exposure on pineal melatonin production in healthy humans. The study was based on comparing urinary 6-hydroxymelatonin sulfate (6-OHMS) levels of 108 male railway workers between leisure periods and days following the start of service on electrically powered engines (66 engineers) or working beneath transmission li...

Shiftwork has been associated with elevated depressive symptoms; police officers frequently work shifts and may experience symptoms. This study assessed the association between symptoms shiftwork in a cohort from Buffalo, New York, USA using repeated cross-sectional design data collected 2004–2009 (n = 428) 2010–2014 261). Electronic payroll records were used to quantitatively classify on day, ...

AIM To assess the relationship between sleep quality and demographic variables, morning-evening type, and burnout in nurses who work shift. METHODS We carried out a cross-sectional self-administered study with forced choice and open-ended structured questionnaires - Pittsburgh Sleep Quality Index, Morningness-eveningness Questionnaire, and Maslach Burnout Inventory. The study was carried out ...

This study aimed to investigate whether different personality variables were associated with shift work tolerance, and whether these potential associations were moderated by various types of shift work. The sample comprised 1505 nurses who worked either two or three rotating shifts. Personality traits were measured in terms of morningness, flexibility, languidity and hardiness. Morningness refl...