| PSIL | preferred frequency speech interference level |
|---|---|
| SCRAM | speech-controlled respirometer for ambulation measurement |
| SDL | serum digoxin level; speech discrimination level |
| SDT | sensory detection theory; right sacrotransverse [fetal position] [Lat. sacrodextra transversa]; sign... |
| S&H | speech and hearing |
| speech perception | The process whereby an utterance is decoded into a representation in terms of linguistic units (sequences of phonetic segments which combine to form lexical and grammatical morphemes). (12 Dec 1998) |
|---|---|
| speech production measurement | Measurement of parameters of the speech product such as vocal tone, loudness, pitch, voice quality, articulation, resonance, phonation, phonetic structure and prosody. (12 Dec 1998) |
| speech reception threshold test | A test to determine the lowest sound intensity level at which fifty percent or more of the spondaic test words (words of two syllables having equal stress) are repeated correctly. (12 Dec 1998) |
| speech therapist | <specialist> An individual trained to assist patients in restoring speech and communication functions. (05 Mar 2000) |
| staccato speech | An abrupt utterance, each syllable being enunciated separately; noted especially in multiple sclerosis. Synonym: syllabic speech. (05 Mar 2000) |
| subvocal speech | Slight movements of the muscles of speech related to thinking but producing no sound. (05 Mar 2000) |
| syllabic speech | An abrupt utterance, each syllable being enunciated separately; noted especially in multiple sclerosis. Synonym: syllabic speech. (05 Mar 2000) |
| oesophageal speech | Speech produced with air trapped in the oesophagus and forced out again. (12 Dec 1998) |
| echo speech | A disorder of speech where there is an involuntary repetition several times of the same word. (27 Sep 1997) |
| tracheoesophageal speech | A form of alaryngeal speech obtained by a surgical technique which creates a shunt between trachea and oesophagus, allowing pulmonary air to generate upper oesophageal and pharyngeal mucosal vibrations as a substitute for vocal cord vibrations when the larynx is surgically removed. (05 Mar 2000) |
| explosive speech | Loud, sudden speech related to injury of the nervous system. Synonym: logospasm. (05 Mar 2000) |
| acoustic area | The floor of the lateral recess of the fourth ventricle, extending medially to the limiting sulcus and overlying the cochlear and vestibular nuclei of the rhombencephalon. Synonym: area acustica. (05 Mar 2000) |
| adaptive management area | Landscape units designated for development and testing of technical and social approaches to achieving desired ecological, economic, and other social objectives. (05 Dec 1998) |
| air quality maintenance area | Specific populated area where air quality is a problem for one or more pollutants (Portland-Vancouver, Salem, Eugene-Springfield, Medford-Ashland). (05 Dec 1998) |
| anterior intercondylar area of tibia | The broad depressed area between the tibial condyles anteriorly to which attach the anterior ends of the menisci and the anterior cruciate ligament. Synonym: area intercondylaris anterior tibiae. (05 Mar 2000) |