Biological explanations of schizophrenia argue that the causes of schizophrenia and physiological rather than psychological evidence to support this comes from research into genetics, as well as biochemical factors firstly, genetic research has considered rates of schizophrenia found in biological. A2 option: biological explanations for schizophrenia: genetics, the dopamine hypothesis and neural correlates the function of neurotransmitters as a theory/explanation and one other biological theory/explanation a2 option: explanations of schizophrenia genetic (eg gottesman and shields, 1972) biochemical (dopamine hypothesis) the dopamine hypothesis the dopamine hypothesis is a theory. The main biochemical explanation for schizophrenia is the dopamine hypothesisthis idea is based on the role of chemical messengers between nerve cells called neurotransmittersthere seems to be a chemical imbalance in the action of the neurotransmitter dopamine in the brains of those with schizophrenia.
Download note - the ppt/pdf document biological explanation of schizophrenia is the property of its rightful owner is the property of its rightful owner. Nimh schizophrenia spectrum disorders research program: this program administers funding to scientists doing research into the origins, onset, course, and outcome of schizophrenia, schizoaffective disorder, and such related conditions as schizotypal and schizoid personality disorders. Biological explanations of schizophrenia delusions genetic factors outline one biological explanation of sz (4) brain structure understand the main assumptions of the biological explanation apply two explanations to sz develop a band two evaluative paragraph factor one - genetics. Biological explanations have focused on several areas, including genetics and biochemistry although causes of schizophrenia are not fully understood, and indications are that several contributory factors combine to cause the onset of the disorder, evidence does suggest that biological factors play a major contributory role.
Discuss biological explanations of schizophrenia (24 marks) the biological approach assumes that schizophrenia has an organic cause, though this doesn’t deny the role of psychological factors in the onset of the disorder. Biological explanation assumption: all mental disorders have a physical cause (micro-organisms, genetics, biochemistry or neuroanatomy) mental illnesses can be described in terms of clusters of symptoms, s ymptoms can be identified, leading to the diagnosis of an illness, and d iagnosis leads to appropriate physical treatments. As predicted a biological mother with schizophrenia increased the rate of schizophrenic in the adoptees, even if they were adopted by non-schizophrenic families tienari (1991) continued but the schizophrenic genetics revealed itself only if the adopted family was psychologically disturbed in some way.
Biological explanations of schizophrenia matching exercise match the items on the right to the items on the left check the concordance rate for mz twins according to gottesman (1991) ripke et al (2014) identified _____ genetic variations associated with schizophrenia. Essay on outline and evaluate two or more biological explanations for schizophrenia (a standard) it is rather long, you may take out some points to make it shorter and of course shorten the actual sentences. Describe and 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.
The final biological explanation is brain structure, pahl, swayze and andreason (1990) reviewed 50 studies, the majority found abnormally large lateral ventricles in the brains of schizophrenics other research found that one twin with schizophrenia had more enlarged ventricles and reduced anterior hypothalamus. Study biological explanations for schizophrenia flashcards from izzy stuart's class online, or in brainscape's iphone or android app learn faster with spaced repetition. This explanation doesn’t discount the biological explanation after all, there must be some biological wrong in the first place to create the incorrect reality instead it builds on the biological model, and offers an explanation on how the problems can develop into schizophrenia.
Compared 47 adopted children whose biological mother had schizophrenia with control group of no schizophrenia history results: none of the controls were diagnosed, 16% of the schizophrenic mothers’’ offspring had the illness. Discuss research in biological explanations of schizophrenia schizophrenia is a psychiatric disorder involving loss of contact with reality and a range of symptoms one biological explanation for schizophrenia is that genetic factors are involved. Schizophrenia is a regression to the oral stage when the ego has not emerged from the id as there is no distinct ego, by regressing to the primary narcissistic stage, schizophrenics lose contact with the world there is heightening of id impulses specially of sexual nature during adolescence as. Describe and 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.
Biological explanations of schizophrenia :genetics by whitney, azeez, alex , fiona, sonia and franklin biological approach of genetics schizophrenia tend to occur in to run in familiesthe risk for a particular individual developing schizophrenia is proportional to the amount of genes they share. The path to schizophrenia - the diagram above shows how biological, genetic and prenatal factors are believed to create a vulnerability to schizophrenia additional envronmental exposures (for example, frequent or ongoing social stress and/or isolation during childhood, drug abuse, etc) then further increase the risk or trigger the onset of. Scientists might have found the biological cause of schizophrenia, in a study that has been described as a “turning point” in tackling mental illness a new study appears to show that the.