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Biomedical subjects

B A Nelson

Publications and source records attributed to B A Nelson.

23 records · Page 2Linked to original sources
PubMed1975

The use of visual feedback in establishing normal vocal intensity in two mildly retarded adults.

A voice-activated relay was used to provide visual feedback of vocal amplitude for two subjects who habitually used very soft voices. The relay system caused a light to go on when vocal intensity was 65 dB SPL or greater. Both subjects demonstrated significant increases in their use of normal vocal intensity. One subject was able to transfer this progress to spontaneous conversational settings. Though some difficulties in generalization and automatization were evident, this system is recommended for use with persons exhibiting functional intensity deficiences.

Adult↗
PubMedDate not supplied

A comprehensive program for pregnant adolescents: parenting and prevention.

Beginning in 1981 as an effort to reduce mortality rates of at-risk infants, the Teen Pregnancy Project of this agency has grown steadily into a multiservice program with many approaches, yet all services for its help-resistant population depend upon an outreach, home-visiting initiative to establish useful relationships with its clients.

Adolescent↗
PubMedDate not supplied

The role of needle purging in reducing transfer of microorganisms from local anesthetic cartridge diaphragms.

The literature is reviewed to demonstrate the significant amount of contamination on the external surface of the anesthetic cartridge diaphragm. Current methods of cartridge diaphragm decontamination to prevent injection of pathogens are discussed. A series of bacteriologic tests were conducted to determine the probability of transfer of pathogens from the diaphragm surface through the needle lumen of three different sizes to the deposition site. Results of needle purging suggest that a significant reduction in the transfer of microorganisms is possible using this technique.

Anesthesia, Dental↗