University of Jyväskylä

About: University of Jyväskylä is a education organization based out in Jyvaskyla, Finland. It is known for research contribution in the topics: Population & Neutron. The organization has 8066 authors who have published 25168 publications receiving 725033 citations. The organization is also known as: Jyväskylän yliopisto & Kasvatusopillinen korkeakoulu.

Communication Gaps in Disaster Management: Perceptions by Experts from Governmental and Non-Governmental Organizations

Abstract: The complexity of current disasters creates a challenge for crisis communication. This paper aims at identifying gaps in communication in disaster management experienced in practice in order to facilitate learning from those situations. The research was conducted using a qualitative online open-ended questionnaire. It shows that despite the developments in the discipline, communication as an integral part of decision making in disaster management needs to be further developed. The paper provides a practical-oriented overview of the communication constraints in complex crisis situations, which has not been provided so far. This research is part of an international project developing performance indicators for a quality measurement system for crisis communication. © 2011 Blackwell Publishing Ltd.

Newborn Event-Related Potentials Predict Poorer Pre-Reading Skills in Children at Risk for Dyslexia

Abstract: Earlier results from the Jyvaskyla Longitudinal Study of Dyslexia showed that newborn event-related potentials (ERPs) of children with and without familial risk for dyslexia were associated with receptive language and verbal memory skills between 2.5 and 5 years of age. We further examined whether these ERPs (responses to synthetic consonant-vowel syllables /ba/, /da/, /ga/; presented equiprobably with 3,910-7,285 ms interstimulus intervals) predict later pre-reading skills measured before the onset of school (6.5 years of age). In line with our earlier results, the at-risk children (N = 11) with atypical speech processing in the right hemisphere (a slower shift in polarity from positivity to negativity in responses to /ga/ at 540-630 ms) scored significantly lower in phonological skills, rapid naming, and letter knowledge than the control children (N = 10) without enhanced right hemispheric speech processing. These results further extend our earlier findings of newborn ERPs in predicting poorer language skills. These consistent differences in ERPs to speech sounds may have applications in the future for the early identification of children at risk for developmental language problems. This would facilitate well-directed intervention even before reading problems are typically diagnosed.

Epigenetic mutations can both help and hinder adaptive evolution.

Abstract: Epigenetic variation is being integrated into our understanding of adaptation, yet we lack models on how epigenetic mutations affect evolution that includes de novo genetic change. We model the effects of epigenetic mutations on the dynamics and endpoints of adaptive walks—a process where a series of beneficial mutations move a population towards a fitness optimum. We use an individual-based model of an asexual population, where mutational effects are drawn from Fisher's geometric model. We find cases where epigenetic mutations speed adaptation or result in populations with higher fitness. However, we also find cases where they slow adaptation or result in populations with lower fitness. The effect of epigenetic mutations on adaptive walks depends crucially on their stability and fitness effects relative to genetic mutations, with small-effect epigenetic mutations generally speeding adaptation, and epigenetic mutations with the same fitness effects as genetic mutations slowing adaptation. Our work reveals a complex relationship between epigenetic mutations and natural selection and highlights the need for empirical data.

Values that Underlie and Undermine Well‐Being: Variability Across Countries

Abstract: We examined relations of 10 personal values to life satisfaction (LS) and depressive affect (DEP) in representative samples from 32/25 countries (N = 121 495). We tested hypotheses both for direct relations and cross-level moderation of relations by Cultural Egalitarianism. We based hypotheses on the growth versus self-protection orientation and person-focus versus social-focus motivations that underlie values. As predicted, openness to change values (growth/person) correlated positively with subjective well-being (SWB: higher LS, lower DEP) and conservation values (self-protection/social) correlated negatively with SWB. The combination of underlying motivations also explained more complex direct relations of self-transcendence and self-enhancement values with SWB. We combined an analysis of the environmental context in societies low versus high in Cultural Egalitarianism with the implications of pursuing person-focused versus social-focused values to predict how Cultural Egalitarianism moderates value–SWB relations. As predicted, under low versus high Cultural Egalitarianism, (i) openness to change values related more positively to SWB, (ii) conservation values more negatively, (iii) self-enhancement values less negatively and (iv) self-transcendence values less positively. Culture moderated value–SWB relations more weakly for DEP than for LS. Culture moderated value–LS relations more strongly than the socio-economic context did. This study demonstrates how the cultural context shapes individual-level associations between values and SWB. Copyright © 2017 European Association of Personality Psychology

Effects of diet-induced obesity and voluntary wheel running on the microstructure of the murine distal femur

Abstract: Background Obesity and osteoporosis, two possibly related conditions, are rapidly expanding health concerns in modern society. Both of them are associated with sedentary life style and nutrition. To investigate the effects of diet-induced obesity and voluntary physical activity we used high resolution micro-computed tomography (μCT) together with peripheral quantitative computed tomography (pQCT) to examine the microstructure of the distal femoral metaphysis in mice.