Evolutionary explanations of aggression Evolutionary psychologists argue that reproductive challenges faced by our ancestors can explain the aggressive behaviour seen in people today. A man can never be certain that he is the father of his wife’s children unless he prevents her having relationships with other men. This can explain why male jealousy is often cited as a cause of domestic violence. In many countries it is seen as acceptable to murder an adulterous wife or her lover e.g. among the Nuer
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17 (2008)‚ 2‚ 247-263 Original Scientific Article – UDC – 616.89-008.441.42 159.015.7 Evolutionary Explanations of Eating Disorders Igor Kardum‚ Asmir Gračanin‚ Jasna Hudek-Knežević University of Rijeka‚ Faculty of Arts and Sciences Department of Psychology Abstract This article reviews several most important evolutionary mechanisms that underlie eating disorders. The first part clarifies evolutionary foundations of mental disorders and various mechanisms leading to their development. In
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EVOLUTIONARY EXPLANATIONS Animal Aggression Lorenz- aggressive behaviour in animals have the following functions: • Selection of the fittest for survival • Aggression will protect the young animals for survival • Distribution of animal territories What are the criticisms of Lorenz? Human Aggression Benign Aggression and Malignant Aggression Nelson: the 3 basic factors affecting human aggression • Process of Learning: Social Learning theory-observation/imitation‚ Learning strategies
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Outline and evaluate the evolutionary explanation of gender development. Gender refers to the concepts o masculine and feminine whereas sex is the biological fact of being a male or female. According to the evolutionary approach‚ gender differences are neither deliberate nor conscious; they exist because they enhanced or helped men and women perform particular types of roles in the past. Therefore‚ the role differences we observe are more a product of our biological inheritance than acquired through
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The evolutionary explanation of gender difference Evolutionary means organism developing from an earlier form in order to survive in their environment. Parental investment theory Trivlers put forward that women have to be choosy about the partner they choose because they are stuck with the child for much longer than the male is required for reproduction. This is meant to explain why men are so assertive and aggressive because it is best for him to have sex with lots of people; for a women
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Discuss evolutionary explanations of the functions of sleep. Evolutionary explanation of sleep suggests there four mains reasons for it‚ energy conservation‚ foraging requirements‚ predator avoidance and to waste time. The evolutionary approach has also been called the ecological approach. It is called ‘ecological’ because it is based on observations of animals in their natural environment. Energy conservation is the theory that warm blooded animals need to expend a lot of energy to maintain a
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Evolutionary approach to food preference – perfect essay Evolution is the change in inherited characteristics of biological populations over successive generations. The environment our early ancestors lived in must be understood to understand why they adapted to certain behaviours or characteristics. This environment is known as EEA (environment of evolutionary adaption). Natural history and science have found that our species has spent much of its life as hunter-gatherers so by looking at their
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Discuss evolutionary explanations of human aggression One evolutionary explanation of human aggression is sexual jealousy. Infidelity triggers sexual jealousy which is an evolved adaptive response to infidelity. Men have developed many strategies from vigilance to violence to stop their partner committing adultery. Men never know for certain that the baby is theirs and could be investing in another man’s baby. In a questionnaire‚ if women reported that their partner did not like them talking to
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Discuss the evolutionary explanations of functions of sleep. (24 marks) The evolutionary theories suggest sleep has evolved because it gives an animal a greater chance of survival when in a dangerous environment. They also suggest that sleep has evolved because it conserves energy and coincides with their eating habits. The evolutionary explanation (also referred to as the ecological approach) is based on the observation of animals in their natural environment. The evolutionary approach to
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Why humans murder other humans is a question of insightful concern and practical importance‚ one that needs a successful scientific explanation. Evolutionary theory has explanations of why murder occurs‚ the circumstances in which it occurs‚ and the psychological mechanisms dedicated to murder. Murder is unlawful killing of another human being. As William Blackstone stated the common law definition of murder is ‘when a person‚ of sound memory and discretion‚ unlawfully killeth any reasonable creature
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