On the Origins of Language: An Introduction to the Evolution of Human Speech |
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Page 3
... species and its relationships to other species . Though particular factors such as gestural communication un- doubtedly had an important role in the evolution of language , no one of them can provide the " key " to the puzzle ...
... species and its relationships to other species . Though particular factors such as gestural communication un- doubtedly had an important role in the evolution of language , no one of them can provide the " key " to the puzzle ...
Page 150
... species in relative brain size . Small - brained species have also evolved , but more large - brained species have appeared in successive epochs . Enlarged brains were a selective advantage for most , though not all , mammalian ...
... species in relative brain size . Small - brained species have also evolved , but more large - brained species have appeared in successive epochs . Enlarged brains were a selective advantage for most , though not all , mammalian ...
Page 173
... species ? Although modern research has provided genetic criteria that differentiate species , the basic problem remains . Where does one draw the species bound- ary ? It is useful to remember Darwin's definition of the term species as ...
... species ? Although modern research has provided genetic criteria that differentiate species , the basic problem remains . Where does one draw the species bound- ary ? It is useful to remember Darwin's definition of the term species as ...
Contents
Introduction | 1 |
Cognitive and Communicative Factors Underlying Language | 5 |
Darwin and Negus | 21 |
Copyright | |
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acoustic signal adult Homo sapiens adult human air pressure anatomical animals area function articulatory maneuvers auditory auditory system Australopithecus africanus behavior brain breath-group Broken Hill CALIFORNIA/SANTA CRUZ Chapelle-aux-Saints fossil Chapter chimpanzee communication complex consonant Crelin cross-sectional area CRUZ The University Darwin decoding discussed encoding energy example factors filter formant frequencies fossil hominids fundamental frequency gestures glottal glottis graph hominids human language human larynx human listeners human newborns human speaker human speech human supralaryngeal vocal human vocal involve La Ferrassie larynx Lieberman linguistic lips mandible modern Homo sapiens msec muscles nasal Neandertal fossils Negus neural mechanisms newborn Homo sapiens newborn human nonhuman primates Note occur oral cavity pattern perception period pharynx phonetic features plotted in Figure primates produce second formant sentence sieve sinusoidal skull species spectrogram speech encoding speech production stop consonant studies supralaryngeal vocal tract syntax tongue tube vocal cords vowel wave waveform words