|||  Journal title: Audiology | Publisher: Tehran University of Medical Sciences | Website: http://aud.tums.ac.ir | Email: aud@tums.ac.ir   |||
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Showing 3 results for Duration

Maryam Nikravesh, Farhad Torabinezhad, Ali Ghorbani, Mohammad Reza Keyhani,
Volume 21, Issue 1 (3-2012)
Abstract

Background and Aim: prosody is a very important factor in communication and includes such parameters as: duration, intonation, pitch, stress, rhythm etc. Intonation is the pitch variation in one sentence. Duration is the time taken to utter a voice. The aim of the present study was to evaluate some parameters of prosody such as duration and intonation curve in interrogative sentences among normal Farsi speaking adults in order to determine the characteristics of this aspect of language with an emphasis on laboratory testing.
Methods: This study was performed as a cross-sectional one. The participants included 134 male and female Farsi speaking individuals aging between 18-30 years. In this study two interrogative sentences with open and closed answers were used. The voice samples were analyzed by Dr.speech -real analysis software. Data analysis incorporated unilateral analysis of variance and an intonation curve was drawn for each sentence.
Results: The parameter of duration among men and women was significantly different (p≤0.001). Duration in open questions was significantly longer than yes/no questions (p≤0.001). The intonation curve of the two groups were similar.
Conclusion: Men and women use duration changes, for making difference in prosody. On the whole, duration among women is longer than men. In open questions, the duration of sentences is mostly due to the question word. The intonation curve in open questions has more amplitude. Women show much more changes in basic frequency for transferring interrogative state in their expressions.


Mohammad Majid Oryadi Zanjani, Behrooz Mahmoodi Bakhtiari, Maryam Vahab, Salime Jafari,
Volume 21, Issue 3 (10-2012)
Abstract

Background and Aim: Due to limitation of standardized tests for Persian-speakers with language disorders, spontaneous language sampling collection is an important part of assessment of language protocol. Therefore, selection of a language sampling method, which will provide information of linguistic competence in a short time, is important. Therefore, in this study, we compared the language samples elicited with picture description and storytelling methods in order to determine the effectiveness of the two methods.
Methods: In this study 30 first-grade elementary school girls were selected with simple sampling. To investigate picture description method, we used two illustrated stories with four pictures. Language samples were collected through storytelling by telling a famous children&aposs story. To determine the effectiveness of these two methods the two indices of duration of sampling and mean length of utterance (MLU) were compared.
Results: There was no significant difference between MLU in description and storytelling methods (p>0.05). However, duration of sampling was shorter in the picture description method than the story telling method (p<0.05).
Conclusion: Findings show that, the two methods of picture description and storytelling have the same potential in language sampling. Since, picture description method can provide language samples with the same complexity in a shorter time than storytelling, it can be used as a beneficial method for clinical purposes.


Ebrahim Pirasteh, Aghil Absalan, Mahsa Mohem, Mehdi Mohammadi,
Volume 23, Issue 4 (10-2014)
Abstract

Background and Aim: Universal newborn hearing screening program (UNHS) using otoacoustic emission (OAE) has been expanded dramatically. The aim of this study was to compare the characteristics of OAE in different time periods.

Methods: In this cohort study, 54 well babies were tested using screening transient-evoked otoacoustic emission in 12, 24, 36, 48 hours and 1 week of their age in Tamin Ejtemaii hospital of Zahedan, Iran. Parameters of "pass" and "fail" level, duration of the test, repetition rate for getting definite result and cooperation level of the parents were analyzed.

Results: The failing rate decreased markedly with age. The major part of this decrement concerned to the age of 12 to 24 hours (left ear: p=0.012 and right ear: p=0.057). Only for the age of 12 hours, the test repetition reduced the failing rate significantly (left ear: p=0.001 and right ear: p<0.001). The test duration reduced significantly with age increment and decreased from the 75 second in age 12 hours to 21 second in age of 24 hours. The test time median for 36, 48 hours and one week of age was 13, 8.4 and 14.3 second, respectively. Among the 54 parents requested to come back for retest one week later, 5 (9.3%) cooperated.

Conclusion: Age effect on referral rate were confirmed in this study high referral rate and poor parent cooperation were the main problems in universal newborn hearing screening program in Zahedan city.



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شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
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