Insight and Cognitive Impairment in Schizophrenia Performance on Repeated Administrations of the Wisconsin Card Sorting Test

1994 ◽  
Vol 182 (11) ◽  
pp. 656-660 ◽  
Author(s):  
PAUL LYSAKER ◽  
MORRIS BELL
2020 ◽  
Vol 17 (11) ◽  
pp. 1143-1148
Author(s):  
Dong Jin Shin ◽  
Taehee Kim ◽  
Do-Un Jung ◽  
Jung-Joon Moon ◽  
Dong-Wook Jeon ◽  
...  

Objective Cognition of peritoneal dialysis patients is influenced by various factors including dialysis adequacy such as fractional urea clearance (Kt/V) and relative overhydration (RelOH). This study aimed to discover the potential contribution of dialysis adequacy to cognitive function in patients undergoing peritoneal dialysis.Methods Fifty-nine patients undergoing peritoneal dialysis were recruited. Demographic information, comorbidities, and clinical lab findings were retrospectively collected, and dialysis adequacy was determined by the Kt/V and RelOH calculation. Cognition and depression were measured with Digit Symbol Substitution Test, Hopkins Verbal Learning Test, Wechsler memory scale (spatial span), Wisconsin Card Sorting Test, and Beck’s depression inventory. Partial correlation test was used to explore the correlation of dialysis adequacy with cognitive function.Results RelOH showed significant correlation with some of the Wisconsin Card Sorting test results. The categories achieved showed negative correlation (r=-0.32, p=0.02) and trials to complete first category showed positive correlation (r=0.31, p=0.02) with RelOH. Other tasks showed no significant correlation with RelOH. Kt/V.Conclusion Our study demonstrates that peritoneal dialysis adequacy, measured by RelOH, seems to be significantly correlated with the occurrence of cognitive impairment. The outcome suggests that RelOH may have the potential to clarify the role of cognitive impairment in peritoneal dialysis patients.


2017 ◽  
Vol 2 (4) ◽  
pp. e020492
Author(s):  
Olena Molchanova

Background At present neurocognitive impairment is considered a core feature of schizophrenia. This statement is grounded on cognitive impairment stability, the persistence of cognitive impairment independently of the disease stage and other symptoms of schizophrenia. The relevance of the search for cognitive remediation methods is determined by the influence of cognitive functioning on the functional outcome in patients with schizophrenia. In order to solve this problem, scientists are actively investigating such direction in the treatment of patients with this psychopathology as «neurocognitive therapy» or neurocognitive training. Objective To evaluate the effectiveness of neurocognitive training in patients with paranoid schizophrenia Methods and materials The patients who matched inclusion criteria were assessed on Positive and Negative Syndrome Scale (PANSS), Personal and Social Performance scale (PSP), neuropsychological tests (Trail Making Test part A and B, Wisconsin Card Sorting Test, Luria test) at the baseline, 1st and 6th month. All patients who were included in the study were randomly assigned into two groups. The intervention group (n=40) underwent a standard supportive treatment and neurocognitive training. The control group (n=31) received supportive medication treatment alone. Results After 1st month, a statistically significant difference between the intervention and control groups was found both for the overall PANSS score improvement and improvement in several items, which represented the cognitive decline. Total PSP score increased significantly in the intervention group from 41-50 to 51-60 (р=0.0001). In Wisconsin Card Sorting Test the proportion of incorrect answers decreased by 31.4% (р=0.0001), perseverative errors by 20.1% (р=0.042), the number of completed categories increased by 33.5% (р=0.002). Conclusion The proposed neurocognitive training program showed positive results, which was reflected in a statistically significant improvement in PANSS score and cognitive tests performance in the intervention group compared to control group after treatment course and additional 5 months of the observation.


2019 ◽  
Vol 19 (6) ◽  
pp. 405-418
Author(s):  
Maciej Bieliński ◽  
Natalia Lesiewska ◽  
Roman Junik ◽  
Anna Kamińska ◽  
Andrzej Tretyn ◽  
...  

Background:Obesity is a chronic condition associated with poorer cognitive functioning. Wisconsin Card Sorting Test (WCST) is a useful tool for evaluating executive functions. In this study, we assessed the association between dopaminergic gene polymorphisms: DAT1 (SLC6A3), COMTVal158Met, DRD4 (48-bp variable number of tandem repeats - VNTR) and WCST parameters to investigate the functions of the frontal lobes in obese individuals.Objective:To find the significant correlations between polymorphisms of DAT1, COMTVal158Met, DRD4 and executive functions in obese subjects.Methods:The analysis of the frequency of individual alleles was performed in 248 obese patients (179 women, 69 men). Evaluation of the prefrontal cortex function (operating memory and executive functions) was measured with the Wisconsin Card Sorting Test (WCST). Separate analyzes were performed in age subgroups to determine different activities and regulation of genes in younger and older participants.Results:Scores of WCST parameters were different in the subgroups of women and men and in the age subgroups. Regarding the COMT gene, patients with A/A and G/A polymorphisms showed significantly better WCST results in WCST_P, WCST_CC and WCST_1st. Regarding DAT1 men with L/L and L/S made less non-perseverative errors, which was statistically significant. In DRD4, significantly better WCST_1st results were found only in older women with S allele.Conclusion:Obtained results indicate the involvement of dopaminergic transmission in the regulation of prefrontal cortex function. Data analysis indicates that prefrontal cortex function may ensue, from different elements such as genetic factors, metabolic aspects of obesity, and hormonal activity (estrogen).


2017 ◽  
Vol 31 (3) ◽  
pp. 407-418 ◽  
Author(s):  
Gema Díaz-Blancat ◽  
Juan García-Prieto ◽  
Fernando Maestú ◽  
Francisco Barceló

Sign in / Sign up

Export Citation Format

Share Document