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There are strong connections between the auditory cortex and the limbic system, which includes such structures as the hippocampus and the amygdala. A recent paper [1] builds on earlier notions of emotional "significance" of music without any lyrics. It adds in lyrics, so giving a perspective of which portions of the brain are reacting to which component of ...

There are several ways to infer into the propagation delays of auditory system in vivo that is applicable to humans (i.e. leaves the subjects intact). One of them is so-called ABR that stands for Auditory Brainstem Response. As it is clear from its name this method allows you to derive the brainstem response to an auditory stimulus (so, you can track the ...

The cooperative functioning of the eardrum and ossicular chain attenuation can be regarded as in this schematic drawing of the ear as an externally activated spring-mass system. Fig. 2. Ossicular chain and eardrum function, together operating as a continuous sound reduction mechanism for changes in the strength of the offered signal. The tympanic membrane ...

The ear uses a series of hairs to parse out sound frequency in the cochlea. When the cochlear hairs die, we lose some frequency response. As we get older, even without exposure to loud noises, the higher frequency responses tend to lose their response first. But loud noises have been linked to hearing loss and high tones are often lost first. Hot off ...

In music, harmonies are simultaneous combination of tones or chords that are concordant. In physics, each note is actually a vibration with defined wavelenght, the concordance can be explained in mathemathical terms, for instance with regard to coincidence of phase oscillation. In physiology, the ear perceives air vibrations and send them to the brain by ...