Results 311 to 320 of about 112,464 (350)
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Non-opiate analgesia following stressful acoustic stimulation
Physiology & Behavior, 1985The change in the nociceptive reactions of rats was characterized after stressful acoustic (115 dB) stimulation. Acoustic loading for five minutes resulted in considerable analgesia in the hot-plate test, whereas a significant analgesic response was not observed in the tail-flick test.
M, Szikszay, G, Benedek, J, Hideg
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Respiratory and Arousal Responses to Acoustic Stimulation
Chest, 1997Although sleep-related obstructive apnea is most often associated with transient arousal, the impact of this arousal on respiratory control remains unclear. We tested the hypotheses that acoustic arousing stimulation can generate a significant respiratory response during sleep in healthy subjects and that the magnitude or timing of this response is ...
D W, Carley +4 more
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Startle Reaction: Modification by Background Acoustic Stimulation
Science, 1963Six rats were exposed to a sequence of gunshot-like acoustical bursts during silence, during steady noise, and during pulsed noise. Assessment of their startle reactions to the bursts revealed that a background of steady noise enhanced the response, whereas a background of pulsed noise produced suppression of response.
H S, HOFFMAN, M, FLESHLER
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Electro-acoustic stimulation. Acoustic and electric pitch comparisons.
Audiology & neuro-otology, 2009For simultaneous acoustic and electric stimulation to be perceived as complementary, it may be beneficial for hearing aids and cochlear implants (CI) to be adjusted to provide compatible pitch sensations. To this end, estimates of the pitch perceived for a set of acoustic and electric stimuli were obtained from 14 CI users who had usable low-frequency ...
McDermott, Hugh. +2 more
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Acoustic trauma in extracranial magnetic brain stimulation
Electroencephalography and Clinical Neurophysiology, 1991The effects of the magnetic coil acoustic artifact (MCAA) associated with extracranial magnetic field stimulation (EMFS) of the brain were studied in normal hearing rabbits. Spectral and intensity analyses showed that the MCAA is a high intensity transient signal with peak energy between 2 and 5 kHz, and peak amplitudes in the first 100-200 mu sec.
S A, Counter, E, Borg, L, Lofqvist
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Physiological Mechanisms in Combined Electric–Acoustic Stimulation
Otology & Neurotology, 2017Objective:Electrical stimulation is normally performed on ears that have no hearing function, i.e., lack functional hair cells. The properties of electrically-evoked responses in these cochleae were investigated in several previous studies. Recent clinical developments have introduced cochlear implantation (CI) in residually-hearing ears to improve ...
Mika, Sato +3 more
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Human Fetal Evoked Response to Acoustic Stimulation
Acta Oto-Laryngologica, 1969Human fetal evoked response to acoustic stimuli was recorded from the abdominal wall of six mothers at the 32th to 38th week of pregnancy. Tone bursts with frequency of 1000 Hz, duration of 50 msec, and rise and decay time of 13 msec were given every 4 seconds through a bone vibrator attached to the maternal abdominal wall at the nearest place to the ...
N, Sakabe, T, Arayama, T, Suzuki
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Stimulator for Complex Acoustic Waveforms
The Journal of the Acoustical Society of America, 1964An audio-tone-burst stimulator has been designed that employs a Hall-effect multiplier. This instrument produces modulation of the audio tone(s) by the desired envelope signal. An envelope-waveform generator is used that can deliver to the modulator a choice of either a Gaussian pulse, a triangle, trapezoid, or trapezoidal pulse with Gaussian leading ...
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Extraauditory Effects of Acoustic Stimulation
Comprehensive Physiology, 1997Abstract The sections in this article are: Neurophysiological Basis for Extraauditory Effects Specific Extraauditory Effects Aspects of Sensory Interaction
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Fetal acoustic stimulation testing
American Journal of Obstetrics and Gynecology, 1986Carl V. Smith +4 more
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