Phase locking is used for sound frequencies up to around 1000 hz. at higher frequencies, tonotopy is used. the note "concert pitch a", or 440 hz, is commonly used to tune instruments in an orchestra or musical ensemble. if an instrument is playing concert pitch a, how fast are action potential spikes in the auditory nerve?
(a) 440 hz
(b) 1100 hz
(c) 1000 - 440 = 60 hz
(d) this is a trick question. action potentials are all-or-none and therefore do not change of change frequencies.

Can someone pretty me with this ? it’s urgent. compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.