Results 21 to 30 of about 1,114,580 (407)
EEG-responses to mood induction interact with seasonality and age
The EEG is suggested as a potential diagnostic and prognostic biomarker for seasonal affective disorder (SAD). As a pre-clinical form of SAD, seasonality is operationalized as seasonal variation in mood, appetite, weight, sleep, energy, and socializing ...
Yvonne Höller +4 more
doaj +1 more source
Impact of Seasonality on Physical Activity: A Systematic Review
Background: The purpose of this study was to collect and analyze the available scientific evidence of the impact of seasonality on physical activity (PA). PA refers to walking, biking, sports and/or active recreation. Methods: The search was performed in
A. Garriga +3 more
semanticscholar +1 more source
Understanding how species-rich communities persist is a foundational question in ecology. In tropical forests, tree diversity is structured by edaphic factors, climate, and biotic interactions, with seasonality playing an essential role at landscape ...
S. Oita +9 more
semanticscholar +1 more source
Descriptive Seasonal Adjustment by Minimizing Perturbations [PDF]
The seasonal adjustment method proposed by Schlicht (1981) can be viewed as a method that minimizes non-stochastic deviations (perturbations). This interpretation gives rise to a critique of the seasonality criterion used there.
Pauly, Ralf, Schlicht, Ekkehart
core +4 more sources
From January to June: Birth seasonality across two centuries in a rural Polish community
Seasonality of births is a worldwide phenomenon, but the mechanisms behind it remain insufficiently explored. Birth seasonality is likely to be driven by seasonal changes in women’s fecundity (i.e.
Ilona Nenko +3 more
doaj +1 more source
Key Points Question Is severe acute respiratory syndrome coronavirus 2 associated with seasonality, and can its spread be estimated? Findings In this cohort study of 50 cities with and without coronavirus disease 2019 (COVID-19), areas with substantial ...
Mohammad M. Sajadi +5 more
semanticscholar +1 more source
Seasonality, mediation and comparison (SMAC) methods to identify influences on lung function decline
This study develops a comprehensive method to assess seasonal influences on a longitudinal marker and compare estimates between cohorts. The method extends existing approaches by (i) combining a sine-cosine model of seasonality with a specialized ...
Emrah Gecili +11 more
doaj +1 more source
Local tourism professionals entail those who strongly face the personal and financial difficulties of tourism seasonality. The main purpose of this paper is to examine the local tourism professionals’ perceptions of a small-scale sports event, which is ...
Sofia Gkarane +2 more
doaj +1 more source
Malaria seasonality and rainfall seasonality in Sri Lanka are correlated in space
Correlation in space between seasonality of malaria and seasonality of rainfall was studied in Sri Lanka. A simple seasonality index was developed by making use of the bimodal seasonality of both malaria and rainfall.
Olivier J.T. Briët +2 more
doaj +1 more source
Coral skeleton δ13C is a routinely measured indicator in modern insolation change research, but the knowledge of environmental and climatic signals recorded in its seasonality during geological time is sparse.
Hao Wang +6 more
doaj +1 more source

