Discuss genetic explanations for aggression. Early research concentrated on chromosomal abnormalities but no specific genotype has been associated with aggression. Genes determine how much testosterone a person’s body produces and how quickly it circulates around their body. Genes also determine the synthesis of testosterone receptors‚ and how many and how sensitive such receptors are. The gene called monoamine oxidase A (MAOA) produces an enzyme which regulates the metabolism of serotonin in
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REDUCTION IN AGGRESSION AND PEACE From the perspective of evolutionary psychology‚ aggression is not singular or unitary phenomenon. It represents a collection of strategies that are manifested under specific contextual conditions. Evolutionary psychologists attempt to understand human behavior by studying the role of evolutionary pressures on modern humans. One of the most interesting areas of study for evolutionary psychologists is human aggression. According to Live Science
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Outline and evaluate one or more social explanations of aggression. Aggression has been defined as ‘any form of behavior directed towards the goal of hurting or injuring another human being or animal that is motivated to avoid such treatment’ (Baron). Various types of aggression have been identified; person-orientated aggression‚ which is when the main goal is to harm another person and instrumental aggression‚ when aggression is used in order to achieve a desired goal. An important
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paper compares the perspectives of evolutionary psychology and social structural theory on sex differences in jealousy‚ mate preferences‚ and aggression. These two theories shed somewhat different lights on the origins of sex differences between men and women. Both theories discuss sex differences in mate preferences‚ jealousy‚ and aggression. Explanations from the two theories are compared and contrasted. Explanations for Sex Differences Evolutionary psychologists have developed a theory
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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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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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PSYCHOLOGICAL SCIENCE Special Section SEX DIFFERENCES IN JEALOUSY IN EVOLUTIONARY AND CULTURAL PERSPECTIVE: Tests From the Netherlands‚ Germany‚ and the United States Bram P. Buunk‚ ’ Alois Angleitner‚^ Viktor Oubaid‚ ’ ’ and David M. ’University ofGroningen‚ the Netherlands‚ ’University of Bielefeld‚ Germany‚ ^University of Heidelberg‚ Germany‚ and ’ ’University of Texas Abstract—As predicted by models derived from evohttionary psychology. men within the United States have been shown to
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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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Describe and Evaluate Two Social Psychological Theories of Aggression One social psychological theory of aggression is based on the Social Learning Theory. It is the behavioural approach‚ which suggests that all behaviours‚ such as aggression are learnt‚ through observation and imitation‚ the theory suggests that there are various steps which need to take place in order for aggression to be learnt. First of all‚ attention needs to be paid to the aggressive behaviour‚ it is then important for the
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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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