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Introduction: The Palin Parent Rating Scale (Palin PRS) is a structured questionnaire filled out by parents of children who stutter. It is designed to assess the effects of stuttering on both the children and their parents. The goal of this study was to translate the Palin PRS into Persian and to evaluate its validity and reliability for application in preschool children who stutter. Methods: This research was conducted from August 2021 to December 2022, involving 139 parents of children who stutter. The parents completed the Palin PRS and provided their demographic data. Descriptive statistics were used to examine the floor and ceiling effects on all subscales of the Palin PRS. The internal consistency of the scale was assessed using Cronbach's alpha method, while the intraclass correlation coefficient (ICC) was calculated to determine its test-retest reliability. An exploratory factor analysis was also performed to clarify the factor structure of the scale. Results: The exploratory factor analysis results were highly consistent with the factor structure found in the original version. No floor or ceiling effects were observed for the factors of the Palin PRS. The three factors of the Persian version of the Palin PRS (P-Palin PRS) showed good internal consistency (Cronbach's alpha >0.8) and excellent test-retest reliability (ICC >0.9). Additionally, normative scores were derived by converting raw scores into Stanine scores. Conclusion: The P-Palin PRS showed strong reliability, thereby establishing it as a suitable instrument for evaluating how parents perceive the effects of stuttering on their children and themselves. Further research may explore its application in diverse clinical settings and populations. [ABSTRACT FROM AUTHOR]

Objectives: This study aimed to investigate neuropsychological rehabilitation's effectiveness on stroke patients' cognitive status. Methods: This quasi-experimental study examined 22 adults with ischemic stroke of the left hemisphere (with an average age of 64.31 years) before and after the intervention. The patients had fluent aphasia (10 people) and non-fluent aphasia... [ABSTRACT FROM AUTHOR]

Objectives: The mother’s knowledge and attitude about the child’s developmental norms can affect their practice and the quality of parent-child interaction. The quality of a child’s development in the early years significantly impacts their personality and future success. Therefore, this study aims to develop and investigate the psychometric characteristics of the Iranian mother’s knowledge, attitude, and practice (KAP) questionnaire about the development of communication, language, speech, and swallowing of Persian-speaking children aged 18 to 36 months and comparing them. Methods: This study was a descriptive-analytical and cross-sectional study conducted on 280 mothers with typically developed children aged 18 to 36 months from different provinces of Iran. Due to the COVID-19 pandemic with the implementation of the study, the participants were selected as available, and then the snowball completed the questionnaire in both face-to-face and online methods. To check the validity of the questionnaire, face validity was calculated using the opinion of speech therapy experts and ten mothers, and content validity was calculated using the Lawshe method. To check the reliability of the questionnaire, the test re-test method was used in a two-week interval. Results: The results indicated that this questionnaire has high validity (content validity index [CVI] >0.79) and reliability (intraclass correlation coefficient [ICC]=0.90). The multiple linear regression model showed that only the mother’s age has a significant positive relationship with knowledge ([B=0.082] P=0.04) about the development of communication, language, speech, and swallowing of children aged 18 to 36 months. Socioeconomic status and the mother’s education had no significant relationship with the mother’s KAP. Also, this study showed that the mother’s knowledge, attitude, and practice about a child’s development were high (mean=16.5), positive (mean=56.44), and good (mean=60.27). Discussion: This study showed that the designed questionnaire is a valid and reliable tool that can be used to investigate the mother’s KAP about the development of communication, language, speech, and swallowing of Persian-speaking children aged 18 to 36 months. On the other hand, speech and language pathologists can use this questionnaire in related studies and clinical evaluations to have better and more knowledge of the child’s environment and the factors affecting it in Persian-speaking society. [ABSTRACT FROM AUTHOR]

Objectives The present study aims to investigate the effect of a temporal processing-based auditory training program on alleviating stuttering severity in children diagnosed with auditory temporal processing disorders. Materials & Methods Thirty-one children with stuttering diagnosed with auditory temporal processing disorders participated in this study (intervention group: 17 participants between seven to 12 years old; control group: 14 participants between eight to 12 years old). The auditory temporal processing test and Stuttering Severity Instrument-3 (SSI-3) were examined before/after 12 sessions (nearly 540 minutes) of training and three months following the conclusion of the intervention. Results According to the results, auditory temporal processing improved significantly in the intervention group after temporal processing-based auditory training. Besides, the differences between the intervention and control groups were significant (P<0.05). The improvement of auditory temporal processing skills remained stable in the posttraining evaluation after three months (P>0.05). Although the SSI-3 score was somewhat improved in the intervention group, no significant difference was found between the two groups (P=0.984). Conclusion The findings revealed that auditory temporal processing training acted as a complementary therapy alleviating the stuttering severity of children who stutter with auditory temporal processing disorders to some extent. [ABSTRACT FROM AUTHOR]

The processing of sensory-motor aspect of word's meaning, and its difference between nouns and verbs, is the main topic of neurolinguistic research. The present study aimed to examine the lexical-semantic processing of Persian non-action nouns and action verbs. The possible effects of semantic correlates on noun/verb dissociation were evaluated without morphological confound. A total of 62 neurologically intact Persian speakers responded to a computerized semantic similarity judgment task, including 34 triplets of non-action nouns and 34 triplets of action verbs by pressing a key. Response Time (RT) and percentage error were considered as indirect measures of lexical-semantic encoding efficiency. We also assessed the latency of hand movement execution with no linguistic demand. The results showed that action verbs elicited more errors and had slower RT compared with object nouns. Mixed ANOVA revealed that the observed noun/verb distinction was not affected by demographic factors. These results provided evidence that the lexical-semantic encoding of Persian action verbs, compared to non-action nouns, requires more support from cognitive sources‏ ‏during the processing of the motor‏-‏related semantic feature. The possible accounts for the different processing of action verbs in terms of semantic view are suggested. [ABSTRACT FROM AUTHOR]

Objective Stuttering is a speech disorder that occurs with frequent and abnormal disruptions in speech, such as sound repetition, sound prolongation, and sound or airflow blockage. Despite the many theories, the cause of stuttering has not been entirely determined, and various factors have been proposed for its etiology. According to the vicious circle hypothesis, increased speech disfluency results from hypervigilance to speech. This study aimed to measure the effect of reduced attention on speech through verbal and non-verbal dual tasks among school children with stuttering. Furthermore, the effect of dual tasks on the severity of stuttering was investigated among them. Materials & Methods In this cross-sectional study, the participants included 39 children (5 girls, 12.8%) and (34 boys, 87.2%) aged 8-12 years (10.25±1.35) with developmental stuttering selected via convenience sampling from primary schools in districts four and eight and speech therapy clinics in Tehran, Iran. Dual tasks were designed using the Visual Basic program. During the study, four speech samples were recorded for each participant. The second and third samples were designed as a dual task (addition of verbal or non-verbal tasks), while the first and fourth samples were designed as a single task. The participant's severity of stuttering in each sample was calculated based on the number of stuttered syllables (SS%), and data were analyzed by SPSS 20 software. Given the non-normal distribution of data, the generalized linear model with the Generalized Estimating Equation (GEE) and Bonferroni test were used to determine the difference in stuttering severity among speech samples. Results The GEE results showed that the severity of stuttering was different among the four speech samples (P=0.015). The lowest and highest mean stuttering severity among the 39 participants pertained to the non-verbal dual task (14.85) and the single initial task (17.11), respectively. A pairwise comparison of stuttering severity showed that the mean severity in the final single task was significantly lower than in the single initial task (P<0.05). However, mean stuttering severity was not significantly different between verbal and non-verbal tasks (P>0.05). Conclusion The findings showed that stuttering severity reduces when children with stuttering perform dual tasks. In other words, focusing children's attention on verbal and non-verbal tasks while talking reduced their dysfluency. [ABSTRACT FROM AUTHOR]