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Page 161
... hertz . This result is in close agreement with electrophysiological observations in which it has been found that impulses could be obtained from the auditory nerve of Chrysemys picta for tones between 100 and 1,200 hertz , with highest ...
... hertz . This result is in close agreement with electrophysiological observations in which it has been found that impulses could be obtained from the auditory nerve of Chrysemys picta for tones between 100 and 1,200 hertz , with highest ...
Page 163
... hertz . Yet , although the seal has made an adjustment for hearing in water , it has not sacrificed the quality of its aerial hearing , which remains at an excellent level , especially for one frequency around 2,000 hertz and another ...
... hertz . Yet , although the seal has made an adjustment for hearing in water , it has not sacrificed the quality of its aerial hearing , which remains at an excellent level , especially for one frequency around 2,000 hertz and another ...
Page 164
... hertz is reached , at which it tends to level off . Beyond 15,000 hertz there are many irregularities but , in general , the sensitivity declines at a rapid rate . The re- sults of similar studies on a specimen of Eptesicus fuscus are ...
... hertz is reached , at which it tends to level off . Beyond 15,000 hertz there are many irregularities but , in general , the sensitivity declines at a rapid rate . The re- sults of similar studies on a specimen of Eptesicus fuscus are ...
Contents
SÃO PAULO | 3 |
SCANDINAVIAN LITERATURE | 10 |
The History of SCIENCE | 32 |
Copyright | |
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activity animals appears become behaviour body brain called cause cells central centre century changes chemical classical close common completely consists contains continued culture direction dreams early effects example existence experience female fibres field Figure frequency function Greek groups hair head hearing human important increase individual influence inner interest Italy known late later less light literature major male material means mechanical membrane methods middle move movement muscle nature nerve NREM objects observed occurs organs original pattern period person plays position produced receptors relief response result retina sculpture sense sensitivity sensory sexual Shakespeare slavery slaves sleep social society sound species stage stimulation structure style surface taste theory tion types usually vision visual