Subject: Re: AW: the number of fixed categories in absolute pitch From: Andrew Milne <andymilne(at)DIAL.PIPEX.COM> Date: Fri, 30 Apr 2004 11:22:19 +0100Ok, that is interesting but I was refering to the use of the term "3 bits" rather than to dimensionality. Andy Milne ----- Original Message ----- From: "Annemarie Seither-Preisler" <preisler(at)UNI-MUENSTER.DE> To: <AUDITORY(at)LISTS.MCGILL.CA> Sent: Friday, April 30, 2004 11:04 AM Subject: AW: the number of fixed categories in absolute pitch There is recent evidence from neuro-imaging that the processing of pitch information in the human brain is indeed two-dimensional. Please read: Warren, J. D., Uppenkamp, S., Patterson, R. D., Griffiths, T. D. (2003). Analyzing pitch chroma and pitch height in the human brain. Ann. N. Y. Acad. Sci., Ann. N. Y. Acad. Sci., 999, 212-14. Warren, J. D., Uppenkamp, S., Patterson, R. D., Griffiths, T. D. (2003). Separating pitch chroma and pitch height in the human brain. Proc. Natl. Acad. Sci. USA, 100(17), 10038-42 Annemarie -----Ursprüngliche Nachricht----- Von: AUDITORY Research in Auditory Perception [mailto:AUDITORY(at)LISTS.MCGILL.CA] Im Auftrag von Andrew Milne Gesendet: Donnerstag, 29. April 2004 22:37 An: AUDITORY(at)LISTS.MCGILL.CA Betreff: Re: the number of fixed categories in absolute pitch So are we to understand, from "NAP subjects can 'transmit' about 3 bits on a single frequency dimention, while AP subjects can transmit about 3 bits on each of two dimensions: Pitch height and Chroma" that the brain is a binary system? Andy Milne