Acoustic analysis of 18 words spoken in citation form by 10 male native speakers of Persian suggests that each of the following parameters can cue the post-alveolar fricative-affricate contrast in isolated word forms in Persian: silence duration, frication duration, rise time and amplitude rise slope. The acoustic values of each cue differ with the position of the test item in the word. Silence...

The interest in text to speech synthesis increased in the world . text to speech have been developed for many popular languages such as English, Spanish and French and many researches and developments have been applied to those languages. Persian on the other hand, has been given little attention compared to other languages of similar importance and the research in Persian is still in its infan...

Word finding difficulty is a known impairments in multiple sclerosis (MS). The purpose of this study is to adapt homophone meaning generation test to Persian language, and then examine word storage and access in multiple sclerosis patients through these three word-finding tests. This study examined the word retrieval in 90 Persian speaking patients with multiple sclerosis and 90 matched healthy...

A thesaurus is a reference work that lists words grouped together according to similarity of meaning (containing synonyms and sometimes antonyms), in contrast to a dictionary, which contains definitions and pronunciations. This paper proposes an innovative approach to improve the classification performance of Persian texts considering a very large thesaurus. The paper proposes a flexible method...

Translating from English, a morphologically poor language, into morphologically rich languages such as Persian comes with many challenges. In this paper, we present an approach to rich morphology prediction using a parallel corpus. We focus on the verb conjugation as the most important and problematic phenomenon in the context of morphology in Persian. We define a set of linguistic features usi...

Background and purpose: Research studies indicate that almost 80% of the present day drugs are derived directly or indirectly from medicinal plants. The estimation of a safe starting dose is a concern when a new substance is to be investigated including medicinal plants, in clinical and laboratory studies. This study was intended to explore a simple and reliable method of calculating the starti...

The citation for Soyinka’s 1986 Nobel prize for literature reads: “Who in a wide cultural perspective and with poetic overtones, fashions the drama of existence”. The “wide cultural perspective” mentioned refers to the fact that Soyinka’s writings, especially the dramas for which he is best known, are at once deeply rooted in traditional African expressive and performance forms like myths and r...

In this issue, Lietha and colleagues (2007) report the structure of focal adhesion kinase (FAK) and reveal how FAK maintains an autoinhibited state. Together with the structure of another tyrosine kinase, ZAP-70 (Deindl et al., 2007), this work highlights the diversity of mechanisms that nature has evolved within the kinase superfamily to regulate their activity through autoinhibition.

[abstract] The export of Japanese television programs overseas started in the 1970s and the rapid growth of Japanese television programs globally especially in Asia started in the early 1980s. However, in the 21st century, the glory of Japanese dramas seems to have faded and replaced by the “Korean wave”. Perhaps the younger generation nowadays has not heard of “J-Pop” and here is an examinatio...

BACKGROUND The Internet has provided great opportunities for disseminating both accurate and inaccurate health information. Therefore, the quality of information is considered as a widespread concern affecting the human life. Despite the increasingly substantial growth in the number of users, Persian health websites and the proportion of internet-using patients, little is known about the qualit...