There are two main biological theories which explain the assumed causes of schizophrenia: Genetic and Dopamine Hypothesis. Research by Mikaywa et al has found that there must be a genetic explanation of schizophrenia due to the fact that concordance rates for environmental causes are not 100%. Also Mikaywa noticed that schizophrenia runs in the family‚ meaning there must be something other than environmental causes‚ causing the disorder. What Mikaywa studied was DNA from human families who were
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Outline and assess Marxist theories of crime and deviance. (50 marks) Marxists argue that the nature and organisation of capitalism‚ creates the potential for criminal behaviour. Gordon states that capitalism is characterised by class inequalities in the distribution of‚ for example‚ wealth and income‚ poverty‚ unemployment and homelessness. Gordon argues that the ideology of capitalism encourages criminal behaviour in all social classes. The term ‘crime’ means behaviour that breaks the law. For
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Outline explanations of prosopagnosia and evaluate research‚ including case studies. Visual agnosias is the inability to recognise familiar objects presented visually. There are two types of visual agnosias- Apperceptive agnosia and Associative agnosia. Apperceptive agnosia is the physiological type of visual agnosia‚ where it is a failure of recognition due to damaged visual perception. Associative agnosia is the developmental type. It is where perceptual ability is intact‚ but
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some of the ways in which Marxists explain crime (12 marks) Marxists idea of crime is strongly linked to capitalism and the way it creates conditions for crime through exploitation and competition. There are two branches of Marxism; traditional and Neo-Marxism. They both focus on the idea of criminogenic state‚ however Neo-Marxist theory links in with the labelling theory to explain crime. Traditional Marxists such as David Gordon (1976) argues that crime is a conscious‚ rational response to the
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Outline key features of the evolutionary perspective explanation of attachment and evaluate. An attachment is an emotional bond between two people. It is a two-way process that endures over time. An evolutionary perspective of attachment was researched by the famous John Bowlby in 1969. Bowlby observed both humans and mammals. Bowlby ’s theory is an evolutionary theory‚ he emphasised that attachment had evolved‚ which means it was not something that was taught‚ because of its survival and reproductive
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School‚ which believed that crime was a characteristic of human nature and instead believed that criminality was inherited. From this belief‚ he developed a theory of deviance in which a person’s bodily constitution indicates whether or not an individual is a "born criminal." These "born criminals" are a throwback to an earlier stage of human evolution with the physical makeup‚ mental capabilities‚ and instincts of primitive man. Biological theories of deviance see crime and deviant behavior as a
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Functionalist approach to Crime and Deviance Durkheim Functionalism sees society as based on value consensus. Functionalists argue that in order to achieve this solidarity‚ society has two key mechanisms: socialisation and social control (mechanisms include rewards positive sanctions for conformity‚ and punishments negative sanctions for deviance) The inevitability of crime Durkheim believes that crime is normal‚ and argues there are at least two reasons why crime and deviance are found
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Outline and evaluate one or more social psychological explanations for aggression. There are many social psychological explanations for aggression that try and explain the cause of aggression. The social learning theory originated from work by Tarde who looked at key characteristics of imitation and the ways in which our social behaviours and responses could be shaped by the actions of others. Bandura developed this theory and thought it had four basic processes; attention‚ retention‚ reproduction
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Outline and evaluate research into Conformity as an explanation of Human Social Behaviour “Conforming” is when a person changes the way they act and think to fit in with the majority of people in a group to gain acceptance. Kelman (1958) said that there are 3 types of conformity‚ Compliance‚ which means going along with others to gain approval and avoid rejection and accepting the group view in public but not private. Identification is conforming to someone who is liked and respected and Internalisation
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Outline and evaluate restoration explanations for the functions of sleep [8 + 16] intro: Aleep is divided into several different stages. SWS and REM sleep are associated with particular benefits. Oswald (1980) proposed that each of these had different functions - slow wave sleep enables body repair and REM enables brain recovery. SWS – initiates body repair (Oswald) Growth hormone – important in childhood because it stimulates physical growth. Important throughout lifespan for protein synthesis
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