[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Pitch learning

Dear Annabel, Stew, and others,

Annabel Cohen wrote:

"The evidence in this paper [ http://web.telia.com/~u57011259/Wright.htm ]
for octave generalization for tonal melodies by rhesus monkeys is
impressive, however, whether this reflects something special about
sensitivity to the octave (chroma) rather than sensitivity to the overtone
series or periodicity is still not clear from this study."

Sorry, it IS clear from this study. The authors reported that generalization
over the distance of two octaves is even stronger than that over the
distance of one octave. This finding definitely rules out the possibility
that the monkeys generalized according to similarities in the sound spectrum
(harmonics). The only remaining possibility is that the monkeys, the same as
humans, have an octave circular pitch processing, which provides the basis
for a chroma percept.


Martin Braun
Neuroscience of Music
S-671 95 Klässbol
web site: http://w1.570.telia.com/~u57011259/index.htm