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In muscles, they cause a hypertrophy of striated muscles with a reduction in the fat cells in skeletal muscles, and a reduction in the whole body fatty mass. Androgens are the most important hormones responsible for the passage of the boy-child voice to adult male voice, and the change is irreversible without reconstructive surgery such as ...
Many different sources state that the study of the brain, and therefore, language disorders, originated in the 19th century, and linguistic analysis of those disorders began in the 20th century. [2] Studying language impairments in the brain after injuries aids in comprehending how the brain works and changes after an injury.
The muscles of the larynx adjust the length and tension of the vocal folds to 'fine-tune' pitch and tone. The articulators (the parts of the vocal tract above the larynx consisting of tongue , palate , cheek , lips , etc.) articulate and filter the sound emanating from the larynx and to some degree can interact with the laryngeal airflow to ...
In the last two decades, significant advances occurred in our understanding of the neural processing of sounds in primates. Initially by recording of neural activity in the auditory cortices of monkeys [18] [19] and later elaborated via histological staining [20] [21] [22] and fMRI scanning studies, [23] 3 auditory fields were identified in the primary auditory cortex, and 9 associative ...
In the classical sense, expressive aphasia is the result of injury to Broca's area; it is often the case that lesions in specific brain areas cause specific, dissociable symptoms, [31] although case studies show there is not always a one-to-one mapping between lesion location and aphasic symptoms. [29]
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In native speakers of American English, young women use vocal fry more frequently than men. When asked to read a passage, female speakers used vocal fry at a rate four times higher than male speakers. [12] Creaky voice is frequent in a number of languages, including Finnish, where it serves as a cue for phrase-boundaries and turn-taking. [13]