since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

    Received: 3 Oct, 2012 Accepted: 15 Dec, 2012     Department of Neurology, Emam Reza Hospital, Faculty of Medicine, Tabriz University of Medical Sciences     Abstract   Background & Aims: Multiple sclerosis is the most common demyelination inflammatory disease due to the greatest disability in young adults. Recent studies show that in addition to white matter involvement in the central nervo...

Introduction: Acquisition motor skill training in older adults are great importance. The main purpose of this study was to compare middle age and older adult’s implicit learning in serial reaction time task. Methods: A serial reaction time task by using software was applied for studying motor learning in 30 older and 30 middle age adults. In this task 4 squares with different colors appeared ...

Objective: The aim of the study was to compare the motor skills and the body balance in children with special disorders (Intellectual disability (ID), autism and learning disorder (LD)) with normally children (NC). Materials & Methods: The present study was a descriptive-comparative (cross- sectional) research, about 120 children including 30 NC, 30 children LD, 30 children with autism and 3...

ABSTRAC Physical activity is related to health factors such as motor competence, health related  Physical fitness, perceived motor competence. The purpose of this study was to investigate the role of mediation of cardiovascular fitness, perceived motor competence in relation between actual  motor competence and physical activity of boys in middle and end childhood.  Research is a correlation t...