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Author: Russell L. Sergeant Publisher: ISBN: Category : Languages : en Pages : 13
Book Description
Enlisted submariners with high-frequency hearing loss (ave. of 22, 45 and 60 decibels at 3, 4 and 6 kiloHertz, respectively) performed poorer than a normal-hearing control group by 6.2 percentage points on rather easy tests of speech intelligibility, and by 5 percentage points on rather difficult tests containing speech in background noise. The performance of the hearing-loss group, however, for the easier tests exceeded by 12.7 points that of another normal-hearing control group in which the hearing loss was simulated by filtering. The hearing-loss subjects may be experience have compensated to some extent in easier situations for their defect. This was not true for the more difficult situations. (Author).
Author: Russell L. Sergeant Publisher: ISBN: Category : Languages : en Pages : 13
Book Description
Enlisted submariners with high-frequency hearing loss (ave. of 22, 45 and 60 decibels at 3, 4 and 6 kiloHertz, respectively) performed poorer than a normal-hearing control group by 6.2 percentage points on rather easy tests of speech intelligibility, and by 5 percentage points on rather difficult tests containing speech in background noise. The performance of the hearing-loss group, however, for the easier tests exceeded by 12.7 points that of another normal-hearing control group in which the hearing loss was simulated by filtering. The hearing-loss subjects may be experience have compensated to some extent in easier situations for their defect. This was not true for the more difficult situations. (Author).
Author: Information Center for Hearing Speech and Disorders Publisher: Springer Science & Business Media ISBN: 147570626X Category : Medical Languages : en Pages : 779
Book Description
Information analysis centers were developed to help the scientist and practitioner cope with the ever increasing mass of published and unpublished information in a specific field. Their establishment resulted from a further extension of those pressures that had brought about the formation of the specialized primary journal and the abstracting services at the turn of the century. The information analysis center concept was greatly advanced by the 1963 report of the President's Science Advisory Committee Panel on Science Information. This report stated: " . . . scientific interpreters who can collect relevant data, review a field, and distill information in a manner that goes to the heart of a technical situation are more help to the overburdened specialist than is a mere pile of relevant docu ments. " Such specialized information centers are operated in closest possible contact with working scientists in the field. These centers not only furnish information about ongoing research and dis seminate and retrieve information but also create new information and develop new methods of infor mation analysis, synthesis, and dissemination. The continually expanding biomedical literature produced by scientists from the world's laboratories, research centers, and medical centers led the National Institute of Neurological Diseases and Stroke in 1964 to initiate a National Neurological Information Network of specialized centers for neurological information. The Centers are designed to bring under control and to promote ready access to important segments of the literature.
Author: United States. Superintendent of Documents Publisher: ISBN: Category : Government publications Languages : en Pages : 1282
Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: Thomas Murry Publisher: ISBN: Category : Noise Languages : en Pages : 0
Book Description
Navy personnel with normal hearing and with hearing losses at 3 kHz and above were evaluated on tests of speech discrimination in noise. Two tests were used, one previously designed for use in audiological clinics and one constructed at this laboratory with background noise similar to that found in the enginerooms of nuclear submarines. The results indicate that subjects with hearing losses at 3 kHz and above may score as much as 11 per cent more generally at least five per cent below normals for a speech discrimination task in noise. For the two types of noise used in these tests, there was little or no difference in the general trend of test results. The correlation coeffieients obtained between the pure tone audiometric findings and the speech discrimination task in noise were found to be nonsignificant for the most part. From these results, it appears that hearing loss at 3 kHz reduces one's ability to discriminate speech in noise but this reduction is minor.
Author: Information Center for Hearing, Speech, and Disorders of Human Communication Publisher: Springer ISBN: Category : Medical Languages : en Pages : 800
Book Description
Information analysis centers were developed to help the scientist and practitioner cope with the ever increasing mass of published and unpublished information in a specific field. Their establishment resulted from a further extension of those pressures that had brought about the formation of the specialized primary journal and the abstracting services at the turn of the century. The information analysis center concept was greatly advanced by the 1963 report of the President's Science Advisory Committee Panel on Science Information. This report stated: " . . . scientific interpreters who can collect relevant data, review a field, and distill information in a manner that goes to the heart of a technical situation are more help to the overburdened specialist than is a mere pile of relevant docu ments. " Such specialized information centers are operated in closest possible contact with working scientists in the field. These centers not only furnish information about ongoing research and dis seminate and retrieve information but also create new information and develop new methods of infor mation analysis, synthesis, and dissemination. The continually expanding biomedical literature produced by scientists from the world's laboratories, research centers, and medical centers led the National Institute of Neurological Diseases and Stroke in 1964 to initiate a National Neurological Information Network of specialized centers for neurological information. The Centers are designed to bring under control and to promote ready access to important segments of the literature.
Author: Russell L. Sergeant
Author: Russell L. Sergeant
Author: 
Author: Information Center for Hearing Speech and Disorders
Author: United States. Superintendent of Documents
Author: United States. Superintendent of Documents
Author: James Harper McCartney
Author: Thomas Murry
Author: Information Center for Hearing, Speech, and Disorders of Human Communication
Author: Alice Harriet Suter
Author: