introduction: this  research was done to comparison  directionality of drawing fixed shapes in preschoolers and primary school according to role of  handedness.   materials and methods:  in this research causality – comparison, 160 children (80 girls and 80 boys) with mean age of 7/96 in preschool and primary school selected with randomly cluster sampling. the tests were used , handedness quest...

visual memory is an important cognitive ability, which has been studied in individuals with autism spectrum disorders (asds). in such studies meaningful shapes were used more frequently. since meaningless shapes provide a better assessment of short term visual memory, in this study we used them to evaluate visual memory in children and adolescents with asds compared to the normal group.four vis...

Garra rufa is one of the most popular therapeutic and commercially important fish in ichthyotherapy. Otolith and scale morphology provide new and useful information for fish identification and classification. Left-right asteriscus and lapillus otoliths from juvenile and adult doctor fish, and the scales from 6 different regions of the juvenile and adult fish body have been examined in Kangal Ba...

background: molecular diversity of leishmania major and its morphological changes have become a controversial issue among researchers. some aspects of polymorphic shapes of amastigotes in clinical manifestations along with molecular variation were evaluated among suspected patients of some exceptional zoonotic cutaneous leishmaniasis locations in northern khuzestan, southwestern iran. methods: ...