Search results for "Behaviour"

A synthesis of deimatic behaviour

2022

Deimatic behaviours, also referred to as startle behaviours, are used against predators and rivals. Although many are spectacular, their proximate and ultimate causes remain unclear. In this review we aim to synthesise what is known about deimatic behaviour and identify knowledge gaps. We propose a working hypothesis for deimatic behaviour, and discuss the available evidence for the evolution, ontogeny, causation, and survival value of deimatic behaviour using Tinbergen's Four Questions as a framework. Our overarching aim is to direct future research by suggesting ways to address the most pressing questions in this field. peerReviewed

Hulluus kulttuurisena kysymyksenä

2019

Perspectives on Digital Content Markets: A Literature Review of Trends in Technologies, Business and Consumer Behaviour

2010

In this paper, we focus on digital content markets (DCMs), which have typically been seen as an offspring of technological and business innovations. However, recent trends indicate that these two perspectives are not enough when attempting to understand how DCMs actually work. Technology is obviously a prerequisite for business innovations, which in turn provide new possibilities for consumers. Nevertheless, consumer behaviour is not only a result of technological and business innovations, but by itself a crucial factor of DCMs. In this paper, we attempt to clarify the general view of DCMs by carrying out a literature study that is based on the above mentioned three perspectives: technology…

The Impact of the Progressive Efficiency Test on a Rowing Ergometer on White Blood Cells Distribution and Clinical Chemistry Changes in Paralympic Ro…

2017

Abstract There is a large gap in knowledge regarding research on post-exercise blood changes in disabled athletes. There are relatively few data on adaptive mechanisms to exercise in disabled athletes, including disabled rowers. Two rowers from a Polish adaptive rowing settle TAMix2x that qualified for the Paralympic Games in Rio, 2016 took part in this study. They performed a progressive test on a rowing ergometer until exhaustion. The cardiorespiratory fitness measures, complete blood count, white blood cells’ distribution and 30 clinical chemistry variables describing laboratory diagnostic profiles and general health were determined. The extreme effort induced changes in all studied meta…

Interpersonal Distance in the SARS-CoV-2 Crisis

2020

Background Mandatory rules for social distancing to curb the SARS-CoV-2 pandemic require individuals to maintain a critical interpersonal distance above 1.5 m. However, this contradicts our natural preference, which is closer to 1 m for non-intimate encounters, for example, when asking a stranger for directions. Objective This review addresses how humans typically regulate interpersonal distances, in order to highlight the challenges of enforcing atypically large interpersonal distances. Method To understand the challenges posed by social distancing requirements, we integrate relevant contributions from visual perception, social perception, and human factors. Results To date, research on pr…

Dog behaviour classification with movement sensors placed on the harness and the collar

2021

Dog owners’ understanding of the daily behaviour of their dogs may be enhanced by movement measurements that can detect repeatable dog behaviour, such as levels of daily activity and rest as well as their changes. The aim of this study was to evaluate the performance of supervised machine learning methods utilising accelerometer and gyroscope data provided by wearable movement sensors in classification of seven typical dog activities in a semi-controlled test situation. Forty-five middle to large sized dogs participated in the study. Two sensor devices were attached to each dog, one on the back of the dog in a harness and one on the neck collar. Altogether 54 features were extracted from th…

The effect of tempo of background music on duration of stay and spending in a bar

2009

The dynamics of aroma release during consumption of candies of different structures, and relationship with temporal perception

2011

 ; We investigated the role of both candy texture and eating technique (melting or chewing) on the dynamics of aroma release. One novelty of this type of analysis was the simultaneous application of instrumental and sensory analysis. Four candy textures were established based on their storage modulus at 1 Hz by varying the gelatine content between 0 and 15% w/w. The in vivo release of three aroma compounds was monitored using Proton Transfer Reaction Mass Spectrometry and with a trained panel of testers. The gelatine content had no significant effect on the headspace/product partition and diffusion properties of the aroma compounds. The highest in vivo release for all aroma compounds was ob…

Effect of substrate particle size on burrowing of the juvenile freshwater pearl mussel Margaritifera margaritifera

2021

AbstractJuveniles of the endangered freshwater pearl mussel (FPM,Margaritifera margaritifera) live burrowed in stream substrate for the first years of their life. Fine sediments block water exchange within substrate and may cause juvenile mortality and recruitment failure. To better understand the connection between success of juvenile FPM and substrate particle size, it would be important to understand behavioural responses of FPM to varying substrate sizes at this critical life stage. We placed newly detached FPM juveniles in a 7-mm layer of sieved sand sorted into five sizes (< 120, 120–200, 200–250, 250–500 and 500–650 µm) each with 10 replicate dishes, 10 juveniles per dish, with bu…

Pleasure of eating: a lever for the adoption of healthy eating in children

2018

Childhood obesity, despite a recent stabilization, is still a matter of concerns in the European region and elsewhere (WHO, 2017), i.e. in France (where it concerned 17% of 3-14 y-old children in 2015; INCA3). Since many years, public health campaigns have encouraged healthy eating in many countries over the world, in particular by highlighting the beneficial effect on health of some food groups (e.g., in France “For your health, eat five fruits and vegetables a day”). However, the WHO noted in 2017 that among adolescents, “daily consumption of fruit and vegetables increased slightly between 2002 and 2014, but overall prevalence remains low ; and daily consumption of sugary soft drinks and …