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The relationship between complex musical stimuli and the late components of the event-related potential
56
A. Quayle et al. / Biological Psychology, 37 (1993) 43-71
sleep. However, it would alised arousal response.
appear
that
SWS is associated
only with a gener-
The relationship between complex musical stimuli and the late components of the event-related potential F. Martin
and C.M. Levett
Department of Psychology, University of Tasmania, Hobart, TAS 7001, Australia
Complex musical stimuli were presented to two groups of 16 subjects, musicians and non-musicians in order to examine whether musicians, more than non-musicians have access to schematic representations already held in memory when presented with a familiar musical context and if this influences the context-updating process and elicitation of P300. Event-related potentials were recorded from P3, Pz and P4 in response to subtle errors and mordents which were presented infrequently within an ongoing musical context. The feedback potential of the stimulus context resulted in the elicitation of two P300 components, the latter (P3OOL), associated with the utilisation of feedback information and ongoing decision-making (Johnson & Donchin, 1985). Owing to their experience, it was expected musicians would record larger P300 amplitude to errors than non-musicians. This occurred for P3OOL and indicated that musicians used additional processing to a greater extent than non-musicians when processing errors, while non-musicians experienced more equivocation. Further predictions, that non-musicians would show significantly larger P300 amplitude to musical ornaments than musicians and lateral differences would occur, were not supported. Implications of processing differences between the stimuli types are discussed.
Neighbourhood size and lexicality effects: Behavioural and ERP indices P. Michie,
M. Coltheart,
M. Kellenbach,
L. Terry
and N. Solowij
School of BehaGoural Sciences, Macquarie Unicersity, NSW 2109, Australia
The effect of neighbourhood size (N-count), the number of words created by changing one letter of a letter string, has important implications for models of word recognition and the functional role of ERP components.
A. Quayle et al. / Biological Psychology, 37 (1993) 43-71
sleep. However, it would alised arousal response.
appear
that
SWS is associated
only with a gener-
The relationship between complex musical stimuli and the late components of the event-related potential F. Martin
and C.M. Levett
Department of Psychology, University of Tasmania, Hobart, TAS 7001, Australia
Complex musical stimuli were presented to two groups of 16 subjects, musicians and non-musicians in order to examine whether musicians, more than non-musicians have access to schematic representations already held in memory when presented with a familiar musical context and if this influences the context-updating process and elicitation of P300. Event-related potentials were recorded from P3, Pz and P4 in response to subtle errors and mordents which were presented infrequently within an ongoing musical context. The feedback potential of the stimulus context resulted in the elicitation of two P300 components, the latter (P3OOL), associated with the utilisation of feedback information and ongoing decision-making (Johnson & Donchin, 1985). Owing to their experience, it was expected musicians would record larger P300 amplitude to errors than non-musicians. This occurred for P3OOL and indicated that musicians used additional processing to a greater extent than non-musicians when processing errors, while non-musicians experienced more equivocation. Further predictions, that non-musicians would show significantly larger P300 amplitude to musical ornaments than musicians and lateral differences would occur, were not supported. Implications of processing differences between the stimuli types are discussed.
Neighbourhood size and lexicality effects: Behavioural and ERP indices P. Michie,
M. Coltheart,
M. Kellenbach,
L. Terry
and N. Solowij
School of BehaGoural Sciences, Macquarie Unicersity, NSW 2109, Australia
The effect of neighbourhood size (N-count), the number of words created by changing one letter of a letter string, has important implications for models of word recognition and the functional role of ERP components.