evaluate biological explanations of schizophrenia (24 marks) Schizophrenia is a psychotic disorder characterized by distorted thinking‚ impaired emotional responses‚ poor interpersonal skills and a distortion of reality. It is the most common of psychotic disorders that‚ in most countries around the world‚ affects around 1 per cent of the population. In terms of explanations for the disorder‚ two central types of explanations arise – psychological explanations and biological explanations. Whereas psychological
Premium Schizophrenia Dopamine Antipsychotic
The biological explanation for Anorexia Nervosa focuses on the role of neurotransmitters. It suggests disturbances in the levels of serotonin and dopamines are characteristic of anorexia. Bailer et al compared serotonin activity in women recovering from restricting anorexia with those recovering from purging type anorexia with a healthy control group. They found that the group recovering from purging type anorexia had higher serotonin activity. They also found the highest levels of serotonin in women
Premium Dopamine Serotonin Neurotransmitter
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
Premium
Biological Explanations of Crime Biological Explanations of Crime Crime Statistics from the Chicago Police Department Biological Explanations of crime Cesare Lombroso William Sheldon Neurological Defects Conclusion Biological Explanations of Crime In society today‚ crime rates are increasing at alarming rates. For decades‚ extensive amounts of research have been collected and analyzed in attempts to find out why people commit crime. In the city of Chicago‚ according
Premium Crime Criminology
D/E explanations of Anorexia Nervosa (24 marks) Anorexia Nervosa (AN) is a type of eating disorder characterised by extreme loss of weight and anxiety associated with food and weight gain. The 4 major symptoms of AN are body weight 85% or less of normal weight for age and height‚ distorted perception of body image (thinness is vital to self-esteem)‚ intense fear of being overweight or putting on weight and amenorrhoea (the loss of 3 consecutive periods). There is the biological and psychological
Premium Anorexia nervosa Thought Psychology
Discuss one or more Biological Explanation for Schizophrenia The biological theory on Schizophrenia is a determinism theory which states that Schizophrenia is caused by our genetics and things that are involved in our bodies. The biological theory states that the cause of Schizophrenia is due to issues such as our genes‚ and dopamine levels‚ and therefore it can be cured by looking at these issues. The first biological explanation I will look at is the genetic theory of Schizophrenia. There
Premium Dopamine
people‚ compile a folder to include the following documents: an outline of current legislation‚ guidelines‚ policies and procedures within own UK Home Nation affecting the safeguarding of children and young people. Question 1b (Weighting: 0) An explanation of child protection within the wider concept of safeguarding children and young people. Child protection is specifically about abuse but it comes under an umbrella term called safeguarding. Safeguarding are all the things that we do and the policies
Premium Child abuse Abuse Childhood
Psychological Topics 17 (2008)‚ 2‚ 247-263 Original Scientific Article – UDC – 616.89-008.441.42 159.015.7 Evolutionary Explanations of Eating Disorders Igor Kardum‚ Asmir Gračanin‚ Jasna Hudek-Knežević University of Rijeka‚ Faculty of Arts and Sciences Department of Psychology Abstract This article reviews several most important evolutionary mechanisms that underlie eating disorders. The first part clarifies evolutionary foundations of mental disorders and various mechanisms leading to
Premium Evolutionary psychology Evolution Evolutionary biology
more biological explanations for the development of schizophrenia. One biological explanation for schizophrenia is genetics. This theory states that a person’s genes determine whether they develop schizophrenia or not. Family studies‚ twin studies and adoption studies have explored the roles of genes in the development of sz. Gottesman conducted a family study and he identified that the closer someone is genetically to a person with sz‚ the more likely to develop sz. For example‚ Mz twins have a
Premium Dopamine Schizophrenia Antipsychotic
long term and short term memory and also relates to lack of availability. The theory suggests that the STM can only hold information for between 15 and 30 seconds unless it is rehearsed. After this time the information decays (fades away). This explanation of forgetting in short term memory assumes that memories leave a trace in the brain. A trace is some sort of physical/chemical change in the nervous system. Trace decay theory states that forgetting occurs as a result of the automatic decay or fading
Premium Memory processes Long-term memory