benadryl couponReviews on embassy suites orlando lake buena vistaPantosil There are two theories of perception of sounds. According to the resonant theory of hearing of G.D.Gelmgoltsa (1885), базилярная the membrane consists of separate fibres (resonator strings), adjusted on sounds of certain frequency. So, sounds of high frequency are perceived by short fibres базилярной the membranes, located more close to the basis of a snail, low frequency - long fibres of top of a snail. The place theory is based on various ability волосковых the cages located in different places базилярной of a membrane, to perceive sounds of various frequency. Damage of separate sites базилярной membranes with волосковыми cages leads to increase of a threshold of perception of sounds of certain frequency.