Hearing Loss
The body-alarm reaction results from the activation of
hypothalamic-pituitary-adrenal axis, which can lead to
physio-psychological phenomena such as an exclusion/occlusion of the
sense of hearing. One hypothesis to explain this alteration consists in a
hydromechanical dysfunction of the internal ear attributable to
antidiuretic hormone. In this study, we evaluated the perception of
acoustic stimuli administered in stressful conditions in 14 phobic
patients and in 20 healthy subjects, in order to assess the influence of
stress on perceiving capabilities. We also measured the concentration
of salivary cortisol and IL-1β and neurovegetative parameters to
objectivise and quantify the physiological reactions. Our results show a
worse perception of the frequencies of the human voice under stress;
these findings could have a dual value: in the legal field, concerning
criminal liability, and on the operative context, regarding the
efficiency of verbal communication among law enforcement officers in
situations inducing intense emotional stress.
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