A boy with oral hair : case report

In personal communication we have never seen or heard of hair being detected in the oral cavity. Even Julia Pastrana, the famous ?Bearded Lady? of the 1800?s, had no record of oral hair, although her entire body was covered with hair. Extensive records of her oral condition, including plaster models of her teeth have been preserved in the Odontological Museum of the Royal College of Surgeons in London city. She suffered from excessive gingival hyperplasia, but apparently no hair existed within the mouth. Some rodents have oral hair as a normal occurrence, but the condition is apparently limited in the animal kingdom. A case of hair occurring naturally in the mouth has been reported only twice previously. A third case of this rare anomaly is reported here. In this case, multiple hairs were found at the gingival sulcus in the labial, buccal, lingual and palatal tooth surfaces in an 11-year-old boy

An examination of effects of online scaffolding on students' online behavior and reaction

Many researchers emphasize the effectiveness of online interaction with scaffolding in enhancing learning and performance. However, little is known about the students' behavior and reaction toward participation in online interaction, and whether scaffoldings have any effects on students' behavior or not. This study utilized times series data to investigate how students' usage of offered instructional tools in an online interaction could change their behavior as well as considered reaction. The results obtained by weekly observations confirmed that there were noticeable changes on students' behavior and reaction within scaffolding time with a same drop in both weeks 7, and 10. Such changes seemed to be associated with differences in times they spent for using the instructional tools. Students' opinion about the usefulness of online scaffolding was consistent and aligned with their online behavior

UTILIZATION OF INFORMATION AND COMMUNICATION TECHNOLOGIES IN MATHEMATICS LEARNING

Attention to integrate technology in teaching and learning has provided a major transformation in the landscape of education. Therefore, many innovations in teaching and learning have been technology-driven. The study attempted to examine what is engineering students’ perception regarding the use of Information and Communication Technologies (ICT) in mathematics learning as well as investigate their opinion about how ICT can be integrated to improve teaching and learning processes. The subjects were Iranian engineering students from two universities. The finding showed they are fully aware of importance of ICT in teaching and learning mathematics. Whilst, they were feeling comfortable and confident with technology, they do not have more experience of using technology in mathematics classes before. The findings supported the other studies, which indicated the potentials of ICT to facilitate students’ learning, improve teaching, and enhance institutional administration as established in the literature.Keywords: Technology, Mathematics Learning, Facebook, Attitude Toward ICT DOI: http://dx.doi.org/10.22342/jme.5.2.1498.138-14

Understanding through interactive scaffolding in the Facebook community

Thanks to the fast development of various computer-based technologies, as such that, the potential influence that they can have on both academic and personal lives cannot be ignored. This paper aimed to shed more light on the pedagogical values of using web -based technologies such as Facebook on enhancing students' learning through interactive scaffolding. This study was conducted on postgraduate students attending Educational Statistics course. The data collection procedure was based on qualitative responses via Facebook communications. The results of the interviews were indicative of the positive effect, which web-based technologies have on their learning of several statistics topics. This mode of learning, via Facebook, act as interactive scaffolding in strengthening the students' further understanding of statistics topics. In addition, the participants responded that they improve their learning through sharing and discussing different ideas on the various web-based pages. Hence, use of Facebook may act as scaffoldings, which can enhance understanding among learners

Development of information diffusion models based on mathematical models of disease diffusion

Abstract Purpose: Analysis of information diffusion process based on models of spread of epidemics is one of the issues considered by the researchers. Limited studies have addressed investigation and analysis of scientific information diffusion. Current study was conducted aiming at identifying scientific information diffusion process among academic faculty members using mathematical models of spread of diseases during 2016. Methodology: Mathematical models of spread of epidemics including SIS, SI, and SIR models were used for analysis of scientific information diffusion. The study was conducted using semi-experimental method on 147 faculty members in three stages including evaluation of current status at time t0, after implementation of intervention of models including susceptible, infected (informed) and recovered (information saturation). Using statistical methods, chance of disease transmission from each compartment to the next one was measured. Findings: Research findings suggested feasibility of SIS, SI, and SIR models in describing information diffusion process. People who are susceptible to scientific information will not remain in a constant state after receiving information. So that 51.6% of the people remain in a state of informed and 39.1% return to susceptible conditions. Also, only 9.3% of people will switch to saturated and unnecessary conditions. Conclusion: Application of models of epidemics spread and its extension to scientific information diffusion is accurate. In addition, mostly individuals will remain at constant state after receiving scientific information

Effect of growth hormone on muscle strength, tone and mobility of children with Prader-Willi syndrome

ObjectivePrader-Willi Syndrome (PWS) is a genetic syndrome presenting with severe hypotonia and decreased agility. Growth Hormone (GH), which is often used in these patients to treat short stature and obesity, seems improve hypotonia, physical strength, activity, and locomotor developmental ability. The aim ofthis study was to find the effects of growth hormone on agility and strength of these patients.Material & MethodsIn a prospective randomized controlled clinical trial in an out-patient pediatric endocrine clinic in Tehran, 21 PWS children (12 boys and 9 girls, 4 to 9 years old) were divided into either GH-treated or control groups and followed for two years. Agility run, sit ups, weight lifting, and inspiratory and expiratory strength were considered as the main outcome measures.ResultsAll the outcome measures of the GH treated group showed a significant improvement compared to the control group.ConclusionGH causes a significant improvement in agility and strength of PWS children.Key words: Preder-willi syndrome; PWS; growth hormone;agility; strengt

Analysis of Organizational Change Management Climate during Knowledge Management Processes Implementation

To achieve the advantage of organizational knowledge in terms of competitiveness requires an accurate management of that knowledge, so-called knowledge management (KM), which is currently an important position in organizational leadership and management, and researchers have given particular attention to it. KM is the process of managing knowledge and expertise in the organization in a way that facilitates identification, capture, codification, storage and sharing the knowledge which accelerates knowledge creation towards the strategies of the organization. This research was designed in order to analyze change management during knowledge management establishment. Based on literature review, the authors' recent researches on KM and applying some statistical methods, the research structure of this study has been developed on five main stages according to methodology that have been described in authors recent research. The study used factor analysis to extract three critical factors. The results showed significant effects on change program for KM adoption. The results of factor analysis and multiple regression analysis confirmed the proofs for the three hypotheses

Etiology of Delayed Puberty in the Institute for Endocrinology and Metabolism

Objective:Delayed puberty is defined as lack of breast development after the age of 13 years in girls, and lack of testes enlargement after the age of 14 years in boys. Considering the importance of delayed puberty, the present study tries to analyze its etiological factors. It is hoped that the study would help developing programs, aiming at drawing the attention of families, health centers and physicians to the necessity of early diagnosis and timely treatment of delayed puberty. Material & Methods: In this observational descriptive study, we reviewed the etiology of delayed puberty in affected patients, who had been referred to the Institute for Endocrinology and Metabolism in Tehran, during a period of 5 years from 1995 to 1999. Findings: Patients (32 boys and 16 girls) were divided into 3 groups based on clinical and laboratory information. 24 patients (50%) were categorized in the group of hypogonadotropic hypogonadism (including 18 cases with isolated hypogonadotropic hypogonadism, 2 cases of Kallmann_syndrome, 3 cases with hypopituitarism, 1 case with hypogondism and thalassemia). 14 (29.2%) patients including 13 boys and 1 girl were categorized in the group with constitutional delay of growth and puberty. 10 patients (20.8%) were categorized in the group with hypergonadotropic hypogonadism (including 6 cases with Turner syndrome, 2 cases with Klinefelter syndrome, 2 cases with 46XX pure gonadal dysgensis). The most common cause of hypogonadism in boys was constitutional delay of growth and puberty (40.6%) and hypogonadotropic hypogonadism (40.6%) while in girls it was Turner syndrome (37.5%). The most common cause for patients to be referred was short stature (43/5%) and then non appearance of pubertal signs (37.5%). Conclusion:When facing patients with delayed puberty, hypergonadotropic hypogonadism in girls, and constitutional delay of growth and puberty as well as hypogonadotropic hypogonadism in boys, should be considered as the first diagnosis. In all patients, who are referred due to short stature, the stage of puberty should be determined and delayed puberty should be considered as differential diagnosis

Mental Neuropathy as Initial Manifestation of Metastatic Breast Cancer: A Case Report and Review of the Literature

Introduction: Mental neuropathy is a sensory neuropathy characterized by hypoesthe-sia or paresthesia of the chin and lower lip. It can be a symptom of a latent malignant disease. Case Presentation: This report presents a case of a 34-year-old woman with a history of breast cancer who complained of severe pain and numbness of the right lower lip. We reviewed numerous reliable articles (through PubMed and Google Search) in relation to mental neuropathy and its possible causes. Conclusion: Given that the reports of mental neuropathy have often been associated with malignancies, patients that complain of sensory impairment and numbness of the mental region should be examined carefully