Re: Neural mechanisms of octave equivalence

[Martin Braun <mb@xxxxxxxxxxxxxxxxxxxxxxxx>]

Thanks to Ian Cross for pointing to this paper. It is freely available:

http://www.ncbi.nlm.nih.gov/pubmed/25479020

The preceding paper of this group is also recommended (also free):

http://www.ncbi.nlm.nih.gov/pubmed/23864678

It should be noted that neither of these papers mentions the auditory 
thalamus. But the authors several times pointed out that their "results 
showed octave-tuned locations throughout the supra-temporal plane". This 
clearly indicates that chroma tuning does not occur de novo in the auditory 
cortex. It is consistent with all earlier data suggesting that chroma tuning 
has its basis in the anatomy of the auditory thalamus.

Papers of special interest in this respect are:

Brosch M., Schulz A., Scheich H., 1999. Processing of sound sequences in 
macaque auditory cortex: response enhancement. J Neurophysiol 82, 1542–1559.

Brosch M., Schreiner C.E., 2000. Sequence sensitivity of neurons in cat 
primary auditory cortex. Cereb Cortex 10, 1155–1167.

as presented in:

http://www.neuroscience-of-music.se/Octave-History.htm

Best wishes,

Martin

---------------------------------

Martin Braun
Neuroscience of Music
S-66492 Värmskog
Sweden
http://www.neuroscience-of-music.se/index.htm
mb@xxxxxxxxxxxxxxxxxxxxxxxx



From: Ian Cross
Sent: Saturday, September 24, 2016 11:45 AM
To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: Neural mechanisms of octave equivalence

Hi, Ani: A paper that you might find of interest is Moerel, M., De Martino, 
F., Santoro, R., Yacoub, E., & Formisano, E. (2015). Representation of pitch 
chroma by multi-peak spectral tuning in human auditory cortex. NeuroImage, 
106(0), 161-169.