It is important to stress that the mechanism described are completely disconnected from so-called psychological aspects "personality traits" and general sensory

It is important to stress that the mechanism described are completely disconnected from so-called psychological aspects "personality traits" and general sensory processing (like falling into the HSP definition). Elaine Aaron's work is remarkable from a scientific standpoint but should also encourage people to pay more attention to the type and amount of external stimuli we expose ourselves to. The effect of being unable to follow a conversation in a noisy environment however, IS a solid indicator of the processes I describe (you might want to look up "hidden hearing loss" - Kujawa & Libermann have published on this phenomenon).