Re: Octave Illusion Review (LFO )

Subject: Re: Octave Illusion Review
From:    LFO  <luisfol(at)BOL.COM.BR>
Date:    Fri, 2 May 2003 22:30:36 -0200

Dear Chris, I would like to get a copy of your paper. Seems pretty intersting. Thanks in advance Luis Felipe Oliveira -- Post-graduation student in Cognitive Science and Philosophy of Mind at São Paulo State University; Graduated in Composition at São Paulo State University. Marília - SP - Brazil • > From: Chris Chambers <c.chambers(at)PSYCH.UNIMELB.EDU.AU> > Reply-To: Chris Chambers <c.chambers(at)PSYCH.UNIMELB.EDU.AU> > Date: Fri, 2 May 2003 16:33:14 +1000 > To: AUDITORY(at)LISTS.MCGILL.CA > Subject: Octave Illusion Review > > Dear List, > > I would like to announce an in-press article on the octave illusion, which > will appear in Psychonomic Bulletin & Review (see abstract below). > > The article is a critical review of the influential suppression explanation of > the phenomenon proposed by Deutsch and Roll (1976; JEP:HPP), and includes a > discussion of the illusion in relation to pitch perception, sound > localization, ear dominance, cortical electrophysiology, and mathematical > modelling of the illusion according to pattern-matching theories of pitch > perception. > > PB&R has a pretty long lag, so I'd be happy to email pre-prints of the article > upon request, including supplementary methodological information. > > best wishes, > Chris > > ----------------- > ABSTRACT > > The octave illusion is elicited by a sequence of tones presented to each ear > that continuously alternate in frequency by one octave, but with high and low > frequencies always in different ears. The percept for most listeners is a high > pitch in one ear alternating with a low pitch in the other ear. The > influential 'suppression model' of the illusion proposed by Deutsch and Roll > (1976) carries three postulates: first, that listeners perceive only the pitch > of the tones presented to their dominant ear; second, that this pitch is heard > in whichever ear received the higher frequency tone; and third, that this > apparent dissociation between "what" and "where" mechanisms arises from > sequential interactions between the tones. In the present article, we > reappraise evidence for the suppression model and demonstrate (a) the > incompatibility of the theory with existing literature on pitch perception, > sound localization and ear dominance; and (b) methodological limitations in > studies that have claimed to provide support for the suppression model. We > conclude by proposing an alternative theory of the octave illusion that is > based on established principles of fusion, rather than suppression, between > ears. > > > ---------------------------------------------------------------------------- > > Christopher D. Chambers > Post-doctoral Scientist > Cognitive Neuroscience Laboratory > Department of Psychology > University of Melbourne > Victoria 3010 > AUSTRALIA > > Office Tel. +61 3 8344 3684 > Lab Tel. +61 3 8344 5158 > Fax. +61 3 9347 6618 > > email: c.chambers(at)

This message came from the mail archive
maintained by:
DAn Ellis <>
Electrical Engineering Dept., Columbia University