Temporal structure and inner psychophysics: A glimpse of equilibrium?
|dc.identifier.citation||Elliott, M.A. (2010). Temporal structure and inner psychophysics: A glimpse of equilibrium? In Bastianelli, A., & Vidotto, G., (Eds.) Fechner Day 2010. Proceedings of the 26th Annual Meeting of the International Society for Psychophysics, Padova, Italy: The International Society for Psychophysics.||en|
|dc.description.abstract||It has been suggested that the synchronization of spatially distributed neural assemblies at fast frequencies in the range 20 - 80 Hz (the ¿gamma¿ band) is instrumental for binding the separate feature-elements of a figure or object. In agreement with this we have shown that reaction times to a display matrix containing a target Kanizsa square (an illusory square consisting of grouping 90° corner junctions) are expedited when the target is preceded at its location by a synchronous priming stimulus. This stimulus comprises four crosses presented simultaneously within a matrix of otherwise asynchronously presented premask crosses, but only if the premask display flickers at key frequencies within the range 27.75 ¿ 67.5 Hz. We have previously argued that this can be partly explained as a function of the return phase of the priming stimulus, suggesting that one of the primary functions of repeated stimulus presentation is the formation of a pattern of anticipatory activity, and it is presumed a pattern of recurrent activity, which relates to the precise timing of the stimulus. However stimulus timing cannot entirely explain the relationship between stimulating frequency and the timing of the anticipatory response. Rather and as is suggested from subsequent data, repeated stimulus presentation provides a means of access to a rich, but as yet not fully circumscribed structure of temporal relations within the receiver.||en|
|dc.publisher||The International Society for Psychophysics||en|
|dc.title||Temporal structure and inner psychophysics: A glimpse of equilibrium?||en|
|dc.contributor.funder||Deutsche Forschungsgemeinschaft project grant SCHR 375/1||en|
|dc.contributor.funder||NUI Galway Millennium Fund||en|
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