PubMed · 4806903
The source did not provide an abstract. Follow the original record for more information.
Explore connections, maps & timelines
J W Meade, G G Gensini, P P Huntington. 1973. Cinephlebography.. https://pubmed.ncbi.nlm.nih.gov/4806903/
Cite the original work for its findings. Save a collection to share your selection of sources.
KEEP EXPLORING
The following contribution addresses several issues concerning speech degrees of freedom in French oral vowels, stop, and fricative consonants based on an analysis of tongue and lip shapes extracted from cineradio- and labio-films. The midsagittal tongue shapes have been submitted to a linear decomposition where some of the loading factors were selected such as jaw and larynx position while four other components were derived from principal component analysis (PCA). For the lips, in addition to the more traditional protrusion and opening components, a supplementary component was extracted to explain the upward movement of both the upper and lower lips in [v] production. A linear articulatory model was developed; the six tongue degrees of freedom were used as the articulatory control parameters of the midsagittal tongue contours and explained 96% of the tongue data variance. These control parameters were also used to specify the frontal lip width dimension derived from the labio-film front views. Finally, this model was complemented by a conversion model going from the midsagittal to the area function, based on a fitting of the midsagittal distances and the formant frequencies for both vowels and consonants.
BACKGROUND: The pharynx, being part of the digestive as well as the respiratory system, is embedded in the complex spatial anatomy of the neck and, due to its function and location, represents a very sophisticated region. DIAGNOSIS: Cross-sectional imaging with CT and MR imaging plays an indispensable complementary role to clinical work-up, as far as submucosal and deep cervical spaces are concerned. However, as dysphagia is a common symptom in clinical practice, interpretation of double contrast studies and videofluoroscopic investigations are also on frequent demand in the daily routine. CONCLUSION: Close interdisciplinary co-operation and the radiologist's familiarity with the anatomy of the region are required in order to use the diagnostic tools in an optimal fashion.
Clinicians working with oropharyngeal swallowing disorders often use videofluoroscopy to define their patients' swallowing abnormalities. This study examined the effect of 4 hours of training in the identification of head and neck anatomy and oropharyngeal swallowing disorders viewed radiographically. Ninety clinicians participated in a 5-hour session which included 30-minute pre- and post-tests requiring identification of head and neck anatomy and oropharyngeal swallowing disorders and a 4-hour training period. Results showed significant improvement in identification of both radiographic anatomy and swallowing disorders. The change in pre- and post-test measures was negatively correlated with extent of prior experience in dysphagia. Similar studies are needed with clinicians or students inexperienced in dysphagia to define the number of hours of education needed in order for students to reach a desired accuracy level in their identifications.