PSYC 1001-002, week 4, schizophrenia article summary
PSYC 1001-002, week 4, schizophrenia article summary PSYC 1001-002
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This 2 page Class Notes was uploaded by Jenna Notetaker on Tuesday September 20, 2016. The Class Notes belongs to PSYC 1001-002 at University of Colorado at Boulder taught by Jennifer Stratford in Fall 2016. Since its upload, it has received 11 views. For similar materials see General Psychology (Lecture) in Psychology (PSYC) at University of Colorado at Boulder.
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Date Created: 09/20/16
Jenna Fulton PSYC:1001002 General Psychology Dr. Stratford 9/18/2016 Summary of Theory of Mind in Schizophrenia The authors of the study: Mirjam Sprong, Patricia Schothorst, Ellen Vos, Joop Hox, and Herman Van Engeland, in their revised article Theory of Mind in Schizophrenia: Metaanalysis, did this study to determine if mentalising impairment and schizophrenia were related. Leading to the researcher’s hypothesis, there are two studies that they focused heavily upon. One theory was by Frith in 1992, and the other was by Brüne and Harington in 2005a. The theory stated in these studies was that mentalising impairment and schizophrenia were related in a way where certain traits of mentalising impairment could explain different aspects of schizophrenia. The researchers hypothesized that if someone has mentalising impairment and suffers from schizophrenia, then there is a correlation between the two. There were no physical participants in the study that the researchers organized because the researchers comprised many different studies and examined the studies. They did not conduct their own study. The studies that the researchers used were all found on Medline, EMBASE, and PsycINFO by using the same phrases and words between the different search engines, with a total of thirty two studies being collected. The researchers only used articles that were peer reviewed and that were published in English, due to this there was a bias in the sample. The different studies were grouped into the four different subgroupings of schizophrenia: incoherence, paranoia, passivity experiences, and remission. These different subgroups of schizophrenia allowed the researchers to determine the severity of the schizophrenia experienced in each different study they looked over. In these subgroups, each study was coded by author, with only two authors being present, the coding allowed a common ground between the studies incase discrepancies arose. These discrepancies were then brought up to the entire research group and discussed. The data collected from the studies, the means and standard deviations, were comprised to make an overall mean difference which was used as the researcher’s data. The results of the study were assembled through analyzing the data that the researchers summarized. Through the process of assembling all of the different studies, three studies were excluded from the original data. This was due to similar information being in the studies or being unable to contact the author of the study. The data showed that in the total sample of all the studies, there was a homogeneity in the results between different patients meaning that the age and sex did not affect the results. The data from the symptom subgroups showed a statistically significant correlation between disorganized subgroups and other subgroups in the researcher’s observations. However, in the analysis of the type of mentalising, the data was statistically dependent which prevented he researchers from being able to fabricate a difference. The researchers concluded that mentalising impairment does have a statistically significant effect on schizophrenia. The data collected by the researchers gave a better understanding to the different levels of severity of schizophrenia. Their research can be used to further help people with schizophrenia to get better because more is known about how the disorder works.
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