Readiness potential, vertex positive wave, contingent negative variation and accuracy of perceptionPotentiel de preparation, onde positive au vertex, variation contingente negative et precision de perception☆
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The functional significance of the skilled performance positivity: An update
2015, International Journal of PsychophysiologyCitation Excerpt :Chiarenza et al. (1990) also suggested that SPP is a similar component to the P300 because its latency seemed to depend on the evaluation time of the feedback information in accordance with earlier P300 studies (e.g., Kutas et al., 1977). A similar possibility that P300 may be superimposed on the preceding P2 was also suggested in an earlier study (McAdam and Rubin, 1971). We also examined whether the FRN was superimposed on the SPP after incorrect trials, resulting in a reduced SPP.
The effect of aging on movement related cortical potentials during a face naming task
2010, International Journal of PsychophysiologyCitation Excerpt :In a visual and auditory choice-RT task in which subjects had to respond to a series of letters with a predefined finger, Falkenstein et al. (2006) observed longer RTs, and larger and more widely extended MRCPs across the scalp in older than in young individuals. Some studies have demonstrated that the RP not only reflects changes in the motor activity itself, but also depends on other factors that influence the level of central nervous activation in preparation for motor activities (anticipation, attention, intention, motivation, effort or timing) (Dirnberger et al., 2000; Freude et al., 1988; Freude and Ullsperger, 1987; McAdam and Rubin, 1971). Most of the tasks used to study MRCPs were simple motor tasks and few studies have explored the contribution of complex cognitive processes to RP, or to MRCPs in general.
Brain preparation before a voluntary action: Evidence against unconscious movement initiation
2010, Consciousness and CognitionImpaired movement-related potentials in acute frontal traumatic brain injury
2004, Clinical NeurophysiologySlow brain potentials in a visual monitoring task
1999, International Journal of PsychophysiologyEnhanced negative slope of the readiness potential preceding a target force production task
1998, Electroencephalography and Clinical Neurophysiology - Evoked Potentials
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Major support for this research came from Grant No. NS-08456 from the National Institute of Neurological Diseases and Blindness of the U.S. Public Health Service and from the Leonard Waasdorp Memorial Fund. It was also supported in part under a contract with the U.S. Office of Naval Research. The latter support does not imply endorsement of the content of the publication by the Navy, nor does the acceptance of the support imply endorsement of the policies of the Navy by the authors.
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The bulk of this research was conducted while Mr. Rubin was a National Science Foundation Undergraduate Research Fellow under a grant from NSE to the Department of Psychology of the University of Rochester.