Discuss two biological explanations of depression (8+16 marks) AO1: One biological explanation for depression is family studies. Family studies have proved that having a first-degree relative with depression appears to be a risk factor of depression. These studies select people who already have the depression (the probands) and examine whether other members of their family have been‚ or might be diagnosed with depression. Research has found that around 20% of such relatives have depression compared
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process that continues to this day. Crime is still a complex and misunderstood phenomenon with no concrete evidence when it comes to human behavior. Throughout time there have been endless amounts of crime theories‚ few of which revolve around biological explanations. We have Cesare Lombroso and the Positive School who thought that criminals were genetically different from the rest of the general population‚ that they were biologically aggressive‚ had criminal traits and/or born as criminals. There is
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Describe and evaluate social explanations of aggression. Aggression can be defined in many different ways. Bandura suggests that it is the intent to cause harm to another human being who is motivated to avoid such treatment. One of the main social psychological explanations of aggression comes from Bandura and Walters in 1963. He suggests that aggression is learned either indirectly; through observational learning and only replicated if vicarious reinforcement occurs‚ or directly- where aggressive
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Biorhythms and Aggression By Catherine Walker Topic I: Bio-rhythms (separated into six essay topics) Biological rhythms: There are three types of biological rhythm; circadian‚ ultradian and infradian. Circadian rhythms are those which complete a cycle in a 24 hour period such as the sleep-wake cycle‚ heart rate or metabolism. People have variations within the circadian rhythms‚ notably the owl/lark division describing people who have biological clocks which run
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Discuss the role of neural mechanisms involved in controlling eating and satiation. 8+16 or 4+8 1. The body is regulated by homeostatic mechanisms; concerning food intake this is dependent on glucose levels. Decrease in glucose levels means hunger levels increase‚ whereas an increase in glucose levels means satiation is reached. 2. Research has revealed two significant eating centres in the hypothalamus; the lateral hypothalamus (LH) and the ventro-medial hypothalamus (VMH). Research from the 1940s
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disorder that affects the persons emotions and distorts how a person perceives the world. The person suffering has confused thoughts and has difficulty telling reality from delusion. It can be described by psychological explanations and biological explanations. A biological explanation of schizophrenia is the dopamine hypothesis‚ amounts of low levels of dopamine in the brain causes a loss of balance and co-ordination‚ it has been found in people with ADHD and Parkinson’s disease. Where as high levels
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There are several different explanations for the disorder schizophrenia. One of these explanations is the biological model. This model explains schizophrenia through biological faults‚ for example viral infections and brain abnormalities. Genetic Factors Some psychologists say that schizophrenia can be passed down generations‚ meaning that some people inherit the disorder from their parents. Twin research has consistently shown that identical twins have a greater risk of developing schizophrenia
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cognitive and biological. The cognitive perspective suggests that emotion is based more on the factors of the mental processes. The biological perspective suggests that emotion is influenced by biological systems and performances and is based on physiological responses. It has been suggested that there is a possible interaction between cognitive and biological processes that influence emotions. Le Doux’s theory of the biological pathways focuses solely on the biological explanation of emotion‚ whilst
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Biological Explanations of Criminal Behavior Nature and nurture contribute to the way a person behaves. This can be applied to the behaviors of criminals. According to Fishbein (1990‚ pg.37)‚ “behavior [is] primarily attributed to inherited predispositions and genetic influences.” Nurture is the environmental influence that shape human behavior (Fishbein‚ 1990‚ pg.37). Human genetics and environmental factors contribute to the uniqueness to a person’s behavior. However‚ there are underlying
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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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