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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Discuss two or more psychological explanations for institutional aggression. The importation model is a dispositional theory which states that an individual would bring in – import – characteristics from outside of prison which lead them to be aggressive in daily life. This then leads to aggression while incarcerated. Cheeseman said that men have a certain way of behaving‚ probably why they ended up in prison to begin with‚ which they then apply to their new setting. Irwin and Cressey found 3 subcultures
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Outline and evaluate social psychological theories of aggression Social Learning Theory Social Learning Theory is based on the fact that people learn from one another‚ via observation‚ imitation‚ and modeling. Social learning theory explains human behaviour in terms of continuous mutual interaction between cognitive‚ behavioral‚ and environmental influences. Outline of research: Bobo Doll experiment The Bobo doll experiment was conducted by Bandura and studied patterns of behaviour associated
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Outline and Evaluate Psychological Explanations for one eating disorder The psychodynamic approach suggests unconscious conflicts from childhood may be the reason for an eating disorder. As adolescent girls are most likely to have the disorder‚ it suggests that anorexia might be due to fear of increasing sexual desires and starvation is a way to avoid becoming pregnant because one of the symptoms of anorexia nervosa is the absence of a menstrual cycle. Another psychodynamic explanation suggests anorexia
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Outline and evaluate restoration theory as an explanation of the function of sleep (8+16 marks) Sleep is believed to function as a means of restoring the biological system to a better working order this is the basis of the restoration theory‚ Sleep is divided into several different stages such as SWS‚ and REM sleep‚ Oswald proposed that each of these sleep stages has a different restorative function. SWS enables the body to repair itself and REM enables brain recovery and memory consolidation
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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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Outline and evaluate biological explanations for schizophrenia (8+16marks). It has been showed that schizophrenia has a tendency to run in different families. This implies that genes play a role. The closer the genetic relationship the more likely the people are to share the disorder. Gottesman (1991) showed that when both parents are schizophrenic‚ there is a 46% chance of the child also getting it‚ however‚ if only one parent had it‚ it dropped to 16% and dropped to a further 1% when the sibling
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Outline and evaluate one or more biological explanations of schizophrenia (8 marks AO1/16 marks AO1) Schizophrenia is classified as a mental disorder that shows profound disruption of cognition and emotion which affects a person’s language‚ perception‚ thought and sense of self. The dopamine hypothesis states that schizophrenic’s neurones transmitting dopamine release the neurotransmitter too easily‚ leading to the characteristic symptoms of schizophrenia. This hypothesis
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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 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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