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 research into institutional aggression. (4 marks) Institutional aggression is aggressive behaviour displayed within an institutional situation such as a school or prison. Most research into institutional aggression has been conducted in prisons. One explanation of institutionalised aggression is the importation model- dispositional factors. This model suggests that prisoners bring (import) their own social histories and traits with them to the prison environment and these influence their
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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 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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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 affected by schizophrenia and found that those with the disorder are more likely to have
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Outline and evaluate one or more theories on institutional aggression (24) One explanation of institutional aggression (otherwsie known as IA) are dispositional factors‚ this means that aggression is determined by a persons pre-existing disposition and personal characteristics that will impact on how aggressive they behave. The theory states that for example‚ if a large amount of people with aforementioned characteristics are in an institution then it is the norm and IA will occur. Furthermore
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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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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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a) OUTLINE one explanation for institutional aggression (5 marks) AO1 description. b) evaluate the explanation for institutional aggression outlined in part a) (20 marks) A. Aggression between humans has both impersonal and institutional aggressions. Institutional aggression may occur within institutions like prisons‚ army or psychiatric hospitals. The interpersonal factors - the ’importance model’ suggested that prisoners when they get put into the jail they bring their own social history
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hormonal mechanisms in aggression (8 marks + 16 marks) Aggression is a behavior directed towards another intended to harm or injure. Neurotransmitters are chemicals that enable impulses in the brain to be transmitted from one area of the brain to another. There’s evidence that the neurotransmitters serotonin and dopamine are closely linked to aggressive behavior. Low levels of serotonin and high levels of dopamine have been associated with aggression in both animals and humans. Low levels of serotonin
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