Biomaterial Database

[Reaction time and Békésy audiometry (author's transl)]. 1977

J Kiessling

Electrophysiological work has elaborated that subjects having positive recruitment exhibit shorter response latencies than non-recruiting subjects do. Correspondingly we have investigated in this paper, if subjectively measured reaction times also decrease in case of recruiting subjects. Our measurements have shown that the averaged reaction time (at 4 kHz) of recruiting subjects is significantly (p = 0.05) shorter than the value of a non-recruiting group. Because of the interindividual scattering of the results, however, measuring of reaction time ist not suitable to distinguish subjects with loudness recruitment from those having no recruitment. Comparison of reaction time and Békésy audiogram as recruitment test shows Békésy tracing to be more reliable. Finally the number of oscillations (N) per octave in Békésy tracing is discussed as a function of oscillation width (W). A general mathematical representation of this correlation is given by N = a.Wb. Constants a and b, depending on attenuation rate (2.5 dB/s) and frequency change rate (1 oct./min), are evaluated by statistical and graphical methods (a = 36.08, b = -0.71).

UI	MeSH Term	Description	Entries
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D010040	Otosclerosis	Formation of spongy bone in the labyrinth capsule which can progress toward the STAPES (stapedial fixation) or anteriorly toward the COCHLEA leading to conductive, sensorineural, or mixed HEARING LOSS. Several genes are associated with familial otosclerosis with varied clinical signs.	Otospongiosis,Otoscleroses,Otospongioses
D011930	Reaction Time	The time from the onset of a stimulus until a response is observed.	Response Latency,Response Speed,Response Time,Latency, Response,Reaction Times,Response Latencies,Response Times,Speed, Response,Speeds, Response
D003638	Deafness	A general term for the complete loss of the ability to hear from both ears.	Deafness Permanent,Hearing Loss Permanent,Prelingual Deafness,Deaf Mutism,Deaf-Mutism,Deafness, Acquired,Hearing Loss, Complete,Hearing Loss, Extreme,Acquired Deafness,Complete Hearing Loss,Deafness, Prelingual,Extreme Hearing Loss,Permanent, Deafness,Permanent, Hearing Loss,Permanents, Deafness
D004432	Ear, Middle	The space and structures directly internal to the TYMPANIC MEMBRANE and external to the inner ear (LABYRINTH). Its major components include the AUDITORY OSSICLES and the EUSTACHIAN TUBE that connects the cavity of middle ear (tympanic cavity) to the upper part of the throat.	Tympanic Cavity,Tympanum,Middle Ear,Cavities, Tympanic,Cavity, Tympanic,Ears, Middle,Middle Ears,Tympanic Cavities,Tympanums
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000161	Acoustic Stimulation	Use of sound to elicit a response in the nervous system.	Auditory Stimulation,Stimulation, Acoustic,Stimulation, Auditory
D000328	Adult	A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.	Adults
D001299	Audiometry	The testing of the acuity of the sense of hearing to determine the thresholds of the lowest intensity levels at which an individual can hear a set of tones. The frequencies between 125 and 8000 Hz are used to test air conduction thresholds and the frequencies between 250 and 4000 Hz are used to test bone conduction thresholds.	Audiometries
D001309	Auditory Threshold	The audibility limit of discriminating sound intensity and pitch.	Auditory Thresholds,Threshold, Auditory,Thresholds, Auditory