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Speakers vary their speed of speaking according to contextual and physical factors. A typical speaking rate for English is 4 syllables per second, [5] but in different emotional or social contexts the rate may vary, one study reporting a range between 3.3 and 5.9 syl/sec, [6] Another study found significant differences in speaking rate between story-telling and taking part in an interview.
However, due to the fact that auditory feedback needs more than 100 milliseconds before a correction occurs at the production level, [4] it is a slow correction mechanism in comparison with the duration (or production time) of speech sounds (vowels or consonants). Thus, auditory feedback is too slow to correct the production of a speech sound ...
A verbal fluency test is a kind of psychological test in which a participant is asked to produce as many words as possible from a category in a given time (usually 60 seconds). This category can be semantic , including objects such as animals or fruits, or phonemic , including words beginning with a specified letter, such as p , for example. [ 1 ]
The third stage of speech production is articulation, which is the execution of the articulatory score by the lungs, glottis, larynx, tongue, lips, jaw and other parts of the vocal apparatus resulting in speech. [8] [10] For right handed people, the majority of speech production activity occurs in the left cerebral hemisphere.
Recently, a study was done showing that verbal fluency test results can differ depending on the mental focus of the subject. In this study, mental focus on physical speech production mechanisms caused speech production times to suffer, whereas mental focus on auditory feedback improved these times. [17]
In speech language pathology it means the smoothness or flow with which sounds, syllables, words and phrases are joined when speaking quickly. [2] It refers to "continuity, smoothness, rate, and effort in speech production". [1] The term fluency disorder has been used as a collective term for cluttering and stuttering since at least 1993. [1]
The 2 primary phases include Non-speech-like vocalizations and Speech-like vocalizations. Non-speech-like vocalizations include a. vegetative sounds such as burping and b. fixed vocal signals like crying or laughing. Speech-like vocalizations consist of a. quasi-vowels, b. primitive articulation, c. expansion stage and d. canonical babbling.
Delayed Auditory Feedback (DAF), also called delayed sidetone, is a type of altered auditory feedback that consists of extending the time between speech and auditory perception. [1] It can consist of a device that enables a user to speak into a microphone and then hear their voice in headphones a fraction of a second later.
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