The perception of sensory dissonance is a function of the physical properties of auditory stimuli, as well as those of basic physiological and anatomical constraints, resulting from limitations of the auditory system in resolving tones that are too proximal in pitch (54). (pnas.org)
Those dogs may be more sensitive to auditory stimulus in general, as there was a trend for those dogs to also orient toward the control sound for a longer period of time. (aspcapro.org)
One case was validated and timed using auditory stimuli during cardiac arrest. (sciencedaily.com)