how to cite this article: babaknejad n, sayehmiri f, sayehmiri k, mohamadkhani a, bahrami s. the relationship between zinc levels and autism: systematic review and meta-analysis. iran j child neurol. autumn 2016; 10(4):1-9.   abstract objective autism is a complex behaviorally defined disorder. there is a relationship between zinc (zn) levels in autistic patients and development of pathogenesis...

objectives: autism spectrum disorder (asd) is a group of neurodevelopment syndromes with impairments in social communications and restrictive or repetitive behaviors. neurofeedback is a new method that may regulate neuro and metabolic function in brain. this study is semi-experimental, with pre and post test.  methods: in 26 children with asd, 40 sessions of neurofeedback were done. brain waves...

background: it is believed that environmental and genetic factors may be responsible for autism. methylenetetrahydrofolate reductase (mthfr) and its gene polymorphisms have been shown to be implicated as risk factors in autism. objectives: to analyze mthfr c677t polymorphism (rs1801133) in autistic patients. materials and methods: this study was carried out in 2014 and 2015 in northern iran. on...

background: classroom behaviors are disturbed in autistic students because of their repetitive, restlessness, and disruptive behaviors. this study aimed to examine the impacts of sitting on a ball, cushion, and/or common chair on classroom behavior of four students with autism spectrum disorder (asd). methods : four children with autism participated in this single-subject study. students’ behav...

objective: the present study has been carried out to compare the social competence in two groups of students with autism disorder (ad) and learning disorders (ld). methods: this research was a kind of descriptive research with 2 comparative groups. 90 learning and autistic disorder students aged 10 to 13 years (45 ld & 45 ad) were selected randomly as a statistical sample. for the assessment of...

executive dysfunction theory in autism spectrum disorders is basis for many features of this disorders in social and non social areas. the purpose of research was study of response inhibition in children with autism spectrum disorders using computerized stroop test. this study was causal-comparative research. convenient sampling method were used for selected of 15 boy with autism spectrum disor...

neuroplasticity is the brain's ability to reorganize itself by forming new neural connections throughout life. neuroplasticity allows the neurons in the brain to compensate injury and disease and to adjust their activities in response to new situations or to changes in their environment. at the other side, it is now well established that neuronal function is strongly influenced by both cen...

background: transforming growth factor-β1 (tgf-β1) has been found to play a crucial role in early central nervous system development. several studies have illustrated decreased tgf-β1 levels in sera and brains of autistic children. two point mutations in the tgf-β1 signal peptide at 869t/c and 915g/c have been reported to influence tgf-β1 expression. the aim of the present study was to investig...

the concept of theory of mind (tom) refers to the ability to predict and explain feelings, thoughts, ideas and intentions of self and others. patients with autism spectrum disorders (asd) show a deficient development of theory of mind. specifically, individuals with autism spectrum disorders fail to understand not only that others have minds, but also that other minds have different thoughts, a...