khatere borhani

The aim of this study was to compare Compassion Focused Therapy (CFT) and transcranial direct current stimulation (tDCS) on improving the attentional bias to negative stimuli in individuals with depression symptoms. For this purpose, 42 volunteers were selected and were randomly divided into three groups of 14 people. Participants completed the Beck Depression Inventory (DBI) and the Computational Emotional Stroop Test as pretest. Then the first group received CFT according to Gilbert ten-session protocol, the second group received five sessions of anodal tDCS over F3 area with current of 2 mA and 20 minutes duration, along with CFT, and the third group only underwent tDCS. The results of statistical analysis with non-parametric tests showed that there was a significant effect on cognitive bias and no effect on depression symptoms and the effectiveness in the combined group on attention bias was higher than the third group. Therefore, combined intervention and then electrical stimulation intervention are recommended to improve attention bias

This research was conducted with the aim of investigating the effect of uncertainty about others on conformity to prosocial behavior and the moderating role of gender and need for closure.

The statistical population of this study included men and women aged 20 to 40, which 120 subjects were selected through available sampling. A computer-based task in the form of a profitable game was designed using the Psychopy software to assess the prosocial behavior of the participants in different conditions of ambiguous stimulus exposure. Also, a short form of the Need for Closure Questionnaire by Reiss and Pilati (2020) was employed. The data were modeled using mixed models' methods in the R software.

In the modeling of the results of the research, the most favorable model showed that exposure to an ambiguous stimulus with a coefficient of 0.84 and the variable of the need to be closure with a coefficient of 0.54 led to an increase in conformity behavior in conformity of prosocial behavior. and the need to closure has a moderating role. Also, gender was not included in the optimal model and its effect was not significant.

The results of the current study showed that exposure to ambiguous conditions causes an increase in conformity of prosocial behavior and that the need for closure has a positive role in this effect; however, gender does not play a role in this effect.

Direct electrical stimulation of the brain is a therapeutic technique that can be effective in improving visual, verbal, and spatial perception. The present study investigated the effect of direct electrical stimulation (tDCS) of the posterior parietal cortex on improving spatial, visual, and verbal perceptual abilities.

In this quasi-experimental study, the statistical population of the study consisted of all students of Shahid Beheshti University who were studying in the academic year 2017-18. Among them, 30 subjects were selected by purposive non-random sampling and received direct intervention of posterior parietal cortex. Mental rotation test and Parsi abstract reasoning test were used to measure spatial-visual perception and verbal perception. Data were analyzed using descriptive and inferential statistical methods including one-factor analysis of variance with emphasis on study within the subjects.

The results showed that tDCS of the posterior parietal cortex improves spatial, visual (P <0.01) (F = 19.61) and verbal (P <0.01) (F = 73.91) perceptual abilities.

It is suggested that the results of this study be used in effectiveness and educational programs.

Visuo-spatial attention is an ability by which a portion of visuo-spatial space is selected for efficient processing of the information orienting from it. people show a normal bias in visuo-spatial attention. The direction of this bias in Attention deficit Hyperactivity disorder (ADHD) is different from normal people's bias. Some cases diagnosed with ADHD can show a significant inattention in one side of the space, which is called unilateral neglect. The aim of this study is to investigate on how the visou-spatial bias is in children with ADHD.

In this cross-sectional study, fifteen children (7-10 years) were classified with ADHD-combined type (ADHD-C) and 15 children were matched for age, gender and IQ. Samples had been chosen through simple random sampling and they did Wechsler Intelligence Scale for children(WISC-IV) and also the Edinburgh Handedness Inventory for assessing whether they had inclusion criteria or not. For participants, visuo-spatial attention was assessed using the Star Cancellation Test.

The results suggest that, there is a significant difference between ADHD-C groups performance and control group's performance in the Star Cancellation Test (p<0.05). Unilateral neglect recognized in ADHD-C group and it was in the left half of the space.

There is a significant difference in visuo-spatial attention between ADHD group and control group. Moreover, unilateral neglect which has seen in some ADHD-C cases should consider as an important item in this disorder. Further research in this area is needed.