'discuss evolutionary explanations of food preference taste receptors bitter poisonous research shows the bitter taste has evolved as a defence mechanism to detect potentially harmful toxins. A final weakness of the evolutionary explanation is that there is research which has led to the renaming of the critical period to become the sensitive period this demonstrates that there are other factors than food that form the basis of attachment. Unit 3-final topic: eating behaviour : unit 3-final topic: eating behaviour attitudes to food and eating +eval explanations for success or failure of dieting +eval neural mechanisms in eating and satiation + eval evolutionary explanations for food preferences + eval anorexia/bulimia/obesity. Evolutionary explanations of food preference explain individual's food choices in based on the diets of our earlier ancestors and also based on cultural transmission which is the spread of skills, technologies and ideas through communication and modelling rather than genes. This is an essay plan for the essay title 'evolutionary explanations for food preference', designed in a way that should make the material easy to remember. Research evidence for evolutionary explanations of food preference fats and oils contain twice as many calories as carbohydrates or proteins this would suggest that a preference and searching for fatty foods would have been adaptive for our ancestors.
Discuss two or more evolutionary explanations of food preference 24 marks early human beings ate whatever they hunted, however we now in modern day always. Evolutionary explanations of food preference essayevolutionary approach to food preference - perfect essay evolution is the change in inherited characteristics of biological populations over successive generations. Evolutionary explanations of food preference eating disorders: psychological explanations of one eating disorder for example anorexia nervosa, bulimia nervosa, obesity are children's food preferences the result of nature or nurture. The explanation that has been given for the existence of discounting is n (1987) the significance of long-term changes in human diet and food economy in m harris & e b ross (eds), food and evolution: toward a theory of human food habits food preferences of men in the u s. P: a strength of the evolutionary explanation for food preferences is that it is supported by research evidence into the link between stress and eating behaviour.
This is a presentation covering the evolutionary explanation and the role of learning in food preferences it includes description and evaluation points for each sub-topic (including issues and debates) most of the slides contain questions for the. evolutionary explanations for food preference narcoleptic cat assessment 4 - essay plan for outline and evaluate evolutionary explanations of food preference (24 marks) posted on october 7, 2012 by paige roden 0. Evolutionary explanations of food preference the environment of evolutionary adaptiveness refers to a time period strecthing between 10,000 and 2 million years ago which is also known as the pleistocene era when most human evolution is regarded to have occurred. Evolutionary explanations of food preference darwin's theory of natural selection states that individuals will behave in such a way as to maximize their survival and their reproductive potential. Our eating habits and food preferences are said to have come from our ancestors and to have adapted in our environment of evolutionary adaptation (eea.
Evolutionary explanations for food preferences focus on the adaptive benefits that certain foods would have offered our ancestors who lived in a very different. In this post we're going to be looking at what i think is one of the easily sections of the eating behaviour topic we're going to be looking at evolutionary explanations of food preference accompanied by some research evidence to evaluate the explanations. Describe and evaluate the evolutionary theory of food preferences describe and evaluate the evolutionary theory of food preferences according to an evolutionary approach current human behaviour can be understood in terms of how it may have been adaptive in our. Food preferences are linked to sweet task as it is a reliable signal of high energy food fructose is the most favoured by babies because it is the sweetest, it is a fast acting sugar providing quick energy, is present in ripe fruit. Eea = the environment in which a species first evolved the adaptive problems faced by our ancestors in the eea would have shaped early food preferences. Psychologists have carried out much research into the origins of modern day food preferences the evolutionary explanation of food preferences argues that our likes and dislikes for particular foods have their origins in the way we have evolved.
Outline and evaluate evolutionary explanations of food preferences (4 marks + 16 marks) outline (a01) tastes experiences come from our taste receptors.
Evolutionary psychology is one of many biologically informed differing views about the nature and scope of evolutionary explanation but they have ramifications in the cross culturally but the test does not speak to the evolutionary hypothesis that the preferences are. Posts about eating behaviours written by sam cook the evolutionary explanations of food preferences this explanation says that our food preferences are determined by how our ancestors evolved to ensure they survived. Evolutionary explanations of food preference what do we like (and not like) sweet - identify foods rich in carbs to provide us with energy sour - associated with food that has gone off and therefore, should be avoided salt - critical for functioning of the cells and therefore need to.