title: Expressive timing facilitates the neural processing of phrase boundaries in music: evidence from event-related potentials.
abstract: The organization of sound into meaningful units is fundamental to the processing of auditory information such as speech and music. In expressive music performance, structural units or phrases may become particularly distinguishable through subtle timing variations highlighting musical phrase boundaries. As such, expressive timing may support the successful parsing of otherwise continuous musical material. By means of the event-related potential technique (ERP), we investigated whether expressive timing modulates the neural processing of musical phrases. Musicians and laymen listened to short atonal scale-like melodies that were presented either isochronously (deadpan) or with expressive timing cues emphasizing the melodies' two-phrase structure. Melodies were presented in an active and a passive condition. Expressive timing facilitated the processing of phrase boundaries as indicated by decreased N2b amplitude and enhanced P3a amplitude for target phrase boundaries and larger P2 amplitude for non-target boundaries. When timing cues were lacking, task demands increased especially for laymen as reflected by reduced P3a amplitude. In line, the N2b occurred earlier for musicians in both conditions indicating general faster target detection compared to laymen. Importantly, the elicitation of a P3a-like response to phrase boundaries marked by a pitch leap during passive exposure suggests that expressive timing information is automatically encoded and may lead to an involuntary allocation of attention towards significant events within a melody. We conclude that subtle timing variations in music performance prepare the listener for musical key events by directing and guiding attention towards their occurrences. That is, expressive timing facilitates the structuring and parsing of continuous musical material even when the auditory input is unattended.
authors: Cognitive Brain Research Unit, Cognitive Science, Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland. eva.istok@helsinki.fi
authors: Eva
authors: E
authors: Istók
authors: Anders
authors: A
authors: Friberg
authors: Minna
authors: M
authors: Huotilainen
authors: Mari
authors: M
authors: Tervaniemi
mesh_terms: D000161:Acoustic Stimulation; D000328:Adult; D001519:Behavior / Q000502:physiology; D001921:Brain / Q000502:physiology*; D005071:Evoked Potentials / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009146:Music; D013997:Time Factors
references: Nat Neurosci. 1999 Feb;2(2):191-6
references: 10195205
references: Trends Neurosci. 2001 May;24(5):283-8
references: 11311381
references: Audiol Neurootol. 2000 May-Aug;5(3-4):151-66
references: 10859410
references: Psychophysiology. 1987 Jul;24(4):375-425
references: 3615753
references: PLoS One. 2010 Apr 22;5(4):e10283
references: 20421969
references: Biol Psychol. 2009 Sep;82(1):70-81
references: 19540302
references: Int J Psychophysiol. 2012 Feb;83(2):164-75
references: 22245599
references: J Cogn Neurosci. 2006 Jan;18(1):1-13
references: 16417678
references: Clin Neurophysiol. 2004 Apr;115(4):732-44
references: 15003751
references: Neuroreport. 1998 Oct 26;9(15):3355-8
references: 9855279
references: Hum Brain Mapp. 2012 Dec;33(12):2751-67
references: 21932257
references: Cognition. 1992 Sep;44(3):241-81
references: 1424494
references: Exp Brain Res. 2005 Feb;161(1):1-10
references: 15551089
references: Brain Res Cogn Brain Res. 2003 Jan;15(2):116-26
references: 12429364
references: Clin Neurophysiol. 2007 Oct;118(10):2128-48
references: 17573239
references: Brain Res. 2006 Jun 13;1094(1):179-91
references: 16712816
references: Ann N Y Acad Sci. 2009 Jul;1169:470-80
references: 19673825
references: Front Hum Neurosci. 2012 Mar 14;6:43
references: 22435057
references: Biol Psychol. 2000 Feb;52(1):1-16
references: 10686369
references: Ann N Y Acad Sci. 2003 Nov;999:131-9
references: 14681126
references: Cognition. 2006 May;100(1):73-99
references: 16380107
references: Brain Lang. 2003 Jul;86(1):142-64
references: 12821421
references: Mem Cognit. 1981 Sep;9(5):533-9
references: 7321871
references: Psychophysiology. 2011 Jan;48(1):4-22
references: 20880261
references: J Cogn Neurosci. 2006 Mar;18(3):472-93
references: 16513010
references: Psychol Bull. 2000 Jan;126(1):159-79
references: 10668354
references: Hum Brain Mapp. 2005 Apr;24(4):259-73
references: 15678484
references: Psychophysiology. 2008 Jan;45(1):152-70
references: 17850238
references: J Exp Psychol Learn Mem Cogn. 1996 Jul;22(4):970-87
references: 8708606
references: J Neurosci Methods. 2004 Mar 15;134(1):9-21
references: 15102499