Related by context. Frequent words. (Click for all words.) 37 Spohrer 34 Rosenlund 30 Wurman 28 vocalization 27 echolocation 27 McDiarmid 27 infrasound 26 mating 26 neurophysiological 26 vocalizations 26 neurochemistry 25 ionospheric 25 monotonic 25 cognitive 25 Allnutt 25 shadow flicker 24 impair 24 alien civilizations 24 biologist 24 distractibility 24 Leis 24 profound implications 24 habitat fragmentation 23 loud noises 23 neurobiologist 23 audibility 23 loud snoring 23 fundamentally altered 23 hormonal 23 frequency 23 nocturnal 23 perturb 23 Knoller 23 Vucetich 23 disastrous consequences 22 adaptively 22 zoologist 22 circadian 22 circadian rhythms 22 imperil 21 behavioral 21 greenhouse gases endanger 21 hypervigilant 21 mating rituals 21 neural circuitry 21 gradual erosion 21 neuroscientist 21 Wayne Mapp 20 policy 20 incompatible 20 zebra finches 20 Bellanca 20 interrupt 20 unpreventable 20 brain circuitry 20 psychology professor 20 hurricane forecaster 20 modulated 20 radically alter 20 physiological 20 evolutionary biologist 20 interrupts 20 electromagnetics 19 neurotic 19 implications 19 auditory 19 patters 19 Sikorsky 18 troubleshoots 18 Rafael Correa 18 kilohertz 18 mating habits 18 habituation 18 EEGs 18 locator beacon 18 patterns 18 Savisaar 18 Navy sailor 18 verbal cues 17 biological clocks 17 auditory processing 17 intermittent 17 practically nil 17 chirps 17 circadian rhythm 17 Scott Vanderhoef 16 staccato 16 Beeghly 16 leader Lawrence Springborg 16 visual hallucinations 16 cuing 16 predator prey 16 neural 16 policies 16 bistate agency 16 squawks 16 Chrysanthemum Throne 16 eavesdropper 16 neuropsychology 16 leviathan 16 christenings