objectives: the gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this is a precise and controlled treatment that is done in 54 steps in 3 speech situations consisting of monologue, reading, and conversation. this study aimed at examining the effects of gilcu treatment method on the reduction of speech dysfluency of school-aged childre...

the mel frequency cepstral coefficients are the most widely used feature in speech recognition but they are very sensitive to noise. in this paper to achieve a satisfactorily performance in automatic speech recognition (asr) applications we introduce a noise robust new set of mfcc vector estimated through following steps. first, spectral mean normalization is a pre-processing which applies to t...

Objectives: The spontaneous language sample analysis is an important part of the language assessment protocol. Language samples give us useful information about how children use language in the natural situations of daily life. The purpose of this study was to compare Conversation, Freeplay, and narrative speech in aspects of Mean Length of Utterance (MLU), Type-token ratio (TTR), and the numbe...

Background: Nowadays, mothers are continuously exposed to different sources of electromagnetic fields before and even during pregnancy.  It has recently been shown that exposure to mobile phone radiation during pregnancy may lead to adverse effects on the brain development in offspring and cause hyperactivity. Researchers have shown that behavioral problems in laboratory animals which have a s...

oronasal region, as an important organ of taste and smell, being respected for its impact on the resonace, which is crucial for any normal speech production. different congenital, acquired and/or developmentalpdefect, may not only have impacts on the quality of respiration, phonation, resonance, also on the process of a normal speech. this article will enable readers to have more focus in such ...

the issue of speech act is a significant issue in pragmatics. speech acts encapsulate lectionary, illocutionary and perloctionary forces. i have dealt with what is said in speech. what is said is an achieved action. to be achieved, this action depends on presuppositions or prior assumptions between the speaker and the recipient of speech. the speaker discusses his previous references to make hi...