The Processing of Pitch and Temporal Information in Relational Memory for Melodies
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The Processing of Pitch and Temporal Information in Relational Memory for Melodies Timothy Patrick Byron Bachelor of Arts (Psychology) (Honours) A thesis submitted for the degree of Doctor of Philosophy University of estern Sydney March 2008 i I hereby declare that this submission is my own work and, to the best of my knowledge, it contains no material previously published or written by another person, nor material which has been accepted for the award of any other degree or diploma at the University of estern Sydney, or any other educational institution, e)cept where due acknowledgement is made in the thesis. I also declare that the intellectual content of this thesis is the product of my own work, e)cept to the e)tent that assistance from others in the project,s design and conception is acknowledged. _____________________ Tim Byron . ii Acknowledgements .ou would not currently be reading this thesis without the assistance of the following people, who provided wisdom, encouragement, generosity, insight, and motivation. Thanks are very much due to my primary supervisor, Assistant Professor Catherine Stevens, has been unfailing in her dedication and commitment as a supervisor for close to four years, from the first days in which I was able to begin researching this thesis in earnest, to 0 especially 1 those dying days when the world seems surreal. The ways in which 2ate has contributed to this thesis are boundless, but her patience, encouragement, motivational skills, intellectual curiosity, critical insight, good humour, astute observations, and her belief in me all come to mind. This thesis does not resemble the thesis proposal I submitted in late 2003, and I am eternally grateful to 2ate for the knowledge, insight, patience and guidance she gave me as my initially incoherent ideas and fancies eventually got pruned away, leaving the shape of a coherent thesis. I honestly don,t believe that a better supervisor than 2ate e)ists. Secondarily, thanks are due to my associate supervisors, Doctor Agnes Petoc4, and Doctor Barbara Tillmann, each of whom has provided me with much wisdom, insight, and encouragement. Agnes, commitment to the importance of theory within psychology has not only had a positive effect on me and this thesis, but on many of her former students and colleagues who have been part of the environment at U S and MARCS Auditory 6aboratories. The combination of Agnes, knowledge and sharp logical thinking has made this thesis theoretically tighter, more coherent and logical, even in the sections she did not actively contribute to, as the thought 7what if Agnes reads this89 often led to better writing, theory, and logical flow. Barbara, despite usually not residing in the same country, has made several theoretical and empirical contributions to this thesis which have made this a stronger document: her sharp eye for e)perimental detail and e)perimental manipulations has increased the worth of the e)periments conducted within this thesis, and has helped immensely with the interpretation of those e)periments. iii The support staff at MARCS have been e)traordinarily gracious and helpful: their ability to make things run smoothly is a large and possibly underestimated part of what makes MARCS such a stimulating, rewarding, and pleasant environment. The support with lab set1up given to me by Colin Schoknecht and Johnson Chen has been tremendously helpful, as has the efforts of 2aren McConachie, Mel Gallagher, Darlene illiams and Gail Charlton to keep things running smoothly in all manner of ways, and I would like to sincerely thank them for their time and effort. Mel Gallagher helped tremendously getting things organised at the end. It is hard to thank an entire research institute, but I would like to thank MARCS Auditory 6aboratories, in general, for e)isting. MARCS has provided an ama4ingly stimulating, rewarding, and pleasant environment for me, and their help with resources, equipment and travel funding has been very beneficial for me, and has enabled me to fly to conferences in Brisbane, Australia and Bologna, Italy in 2006 and in Cambridge, England in 2007: I received invaluable comments, suggestions and criticisms at these conferences which contributed to the thesis. Thanks go especially to those with whom I,ve shared postgraduate rooms over the years 0 Aan Bu, Jess Hartcher1C,Brien, 6idija 2rebs16a4endic, Benjawan 2asisopa, Shaun Halovic, Paul Mason, Graham Howard, Arman Abrahamyan, Aicole 6ees, Jennifer 6e, Aatalie Hughes, Ben Morrison, and Robert Sa4dov 1 for putting up with me. The Music, Sound, and Action readingDwriting group at MARCS has seen many early drafts of chapters in this thesis, and I would like to sincerely thank members of the MSA group 0 especially Doctor David Brennan, Professor Roger Dean, Doctor Ereya Bailes, Arman Abrahamyan, and Doctor Stephen Malloch 1 for their time and effort in reading those early drafts, for the penetrating insight and eye for details that have improved this thesis, and for the hours of stimulating discussion I have been witnessed and been a part of over the years. I would like to thank my proofreading squad, who have graciously given up some of their time over the Easter long weekend to detect the more pernicious typographical errors and departures from the APA manual that escaped my hopelessly1too1close1to1 iv it eyes. So cheers to Bronson FParticipant BBH, Harry, Jadey C,Regan, Erin Cvejic, Aatalie Hughes, Dogu Erdener, and Arman Abrahamyan. Thanks also go to the many participants in my e)periments. This is doubly so for the musically trained participants who didn,t have to do the e)periment to obtain course credit, and who were very generous with their time and effort. I would also like to thank the other members of The Reservations, 6a4y Susan, Sliced Bread, the Sharkalarms, and Tom Stone and the Soldiers of Eortune for playing music with me over the course of this thesis, and being understanding about the last 6 months. I would also like to thank the following for employing me as a tutor or as a research assistant, after my APA scholarship came to e)pire, thus enabling me to eat while finishing the PhD: David Brennan, 2ate Stevens, Agnes Petoc4, and (sadly departed and much missed) Professor Jim Mc2night. I would sincerely like to thank Hictoria illiamson from the University of .ork, in England, for many reasons: firstly, for being one of the few people who studies a topic which vaguely resembles mine, and the several interesting conversations and discussions which resulted from this: secondly, for the insight, advice and help she gave to me in reading chapters of this thesis: and thirdly, I would like to thank Hictoria and her husband Ben for their graciousness and kindness as hosts when I visited the University of .ork. I would also like to thank Doctor Steven Roodenrys of the University of ollongong, with whom I completed my honours thesis in 2003. ithout Steve, you would not be reading this thesis, as he introduced me to the delights of e)periments in cognitive psychology and told me that 2ate and MARCS e)isted when I showed a fascination with music cognition. I had originally not intended to study the interaction of verbal short term memory and long term memory (my honours topic) in this thesis, but somehow it ended up being a major part of this thesis, and I am grateful to Steve for the knowledge and insight I received from him at the University of ollongong, as it v helped immensely in writing parts of this thesis which even vaguely echo my honours topic. I would like to thank researchers who have visited MARCS Auditory 6aboratories, such as Professors Caroline Palmer and 6aurel Trainor, who have graciously given their time and provided stimulating intellectual discussions, and would also like to thank Professors Eric Clarke, Aicola Dibben, Alan Baddeley, and Graham Hitch for generously allowing me to present my work at their laboratories in .ork and Sheffield, and for the enjoyable and useful discussions of my work that resulted. Much love to my family 0 Mum, ayne, Dad, Gina, Brendan and Colum œ who have been supportive and understanding. Einally, all of my love and appreciation goes to Jadey C,Regan, who I met in the first year of this thesis. As our lives have become progressively more intertwined in that time, her unfailing belief in me and help and understanding has gotten me through rough patches, hard problems, low points: knowing her has made me a better person. I only hope to help her as she has helped me in the last few months when the dying days of her PhD roll around in 2010D2011. vi Abstract A series of e)periments investigate the roles of relational coding and e)pectancy in memory for melodies. The focus on memory for melodies was motivated by an argument that research on the evolutionary psychology of music cognition would be improved by further research in this area. Melody length and the use of transposition were identified in a literature review as e)perimental variables with the potential to shed light on the cognitive mechanisms in memory for melodies: similarly, pitch interval magnitude (PIM), melodic contour, metre, and pulse were identified as musical attributes that appear to be processed by memory for melodies. It was concluded that neither previous models of verbal short term memory (vSTM) nor previous models of memory for melodies are unable to satisfactorily e)plain current findings on memory for melodies. The model of relational memory for melodies that is developed here aims to e)plain findings from the memory for melodies literature. This model emphasises the relationship between: a) perceptual processes œ specifically, a relational coding mechanism which encodes pitch and temporal information in a relational form: b) a short term store: and c) the redintegration of memory traces using schematic and veridical e)pectancies.