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Sensory MEG responses predict successful and failed inhibition in a stop-signal task

(2009) CEREBRAL CORTEX. 19(1). p.134-145
Author
Organization
Abstract
In the present study magnetoencephalographic recordings were performed to investigate the neural mechanisms underlying the stopping of manual responses. Subjects performed in a Stop-signal task in which Go-stimuli (S1), requiring a rapid motor response, were sometimes rapidly followed by a Stop-stimulus (S2) indicating to withhold the already initiated response to S1. Success of stopping strongly depended on the early perceptual processing of S1 and S2 reflected by the magnetic N1 component. Enhanced processing of S1 facilitated the execution of the movement, whereas enhanced processing of S2 favored its inhibition. This suggests that the processing resources for the subsequent stimuli are limited and need to be shared. This sharing of resources appeared to arise from adjustments made on a trial-by-trial basis, in that systematic reaction time prolongations on Go-trials following Stop-trials versus following Go-trials were accompanied by attenuated sensory processing to the Go-stimulus similar to that seen in successful versus unsuccessful stopping in Stop-trials.
Keywords
CEREBRAL-CORTEX, ERROR-DETECTION, PREFRONTAL CORTICES, COUNTERMANDING SACCADES, CINGULATE CORTEX, COGNITIVE CONTROL, MOTOR AREAS, CHOICE REACTION-TIME, EVENT-RELATED POTENTIALS, ATTENTION-DEFICIT/HYPERACTIVITY DISORDER

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Chicago
Böhler, Nico, TF Münte, Ruth Krebs, HJ Heinze, MA Schoenfeld, and JM Hopf. 2009. “Sensory MEG Responses Predict Successful and Failed Inhibition in a Stop-signal Task.” Cerebral Cortex 19 (1): 134–145.
APA
Böhler, N., Münte, T., Krebs, R., Heinze, H., Schoenfeld, M., & Hopf, J. (2009). Sensory MEG responses predict successful and failed inhibition in a stop-signal task. CEREBRAL CORTEX, 19(1), 134–145.
Vancouver
1.
Böhler N, Münte T, Krebs R, Heinze H, Schoenfeld M, Hopf J. Sensory MEG responses predict successful and failed inhibition in a stop-signal task. CEREBRAL CORTEX. 2009;19(1):134–45.
MLA
Böhler, Nico, TF Münte, Ruth Krebs, et al. “Sensory MEG Responses Predict Successful and Failed Inhibition in a Stop-signal Task.” CEREBRAL CORTEX 19.1 (2009): 134–145. Print.
@article{1895732,
  abstract     = {In the present study magnetoencephalographic recordings were performed to investigate the neural mechanisms underlying the stopping of manual responses. Subjects performed in a Stop-signal task in which Go-stimuli (S1), requiring a rapid motor response, were sometimes rapidly followed by a Stop-stimulus (S2) indicating to withhold the already initiated response to S1. Success of stopping strongly depended on the early perceptual processing of S1 and S2 reflected by the magnetic N1 component. Enhanced processing of S1 facilitated the execution of the movement, whereas enhanced processing of S2 favored its inhibition. This suggests that the processing resources for the subsequent stimuli are limited and need to be shared. This sharing of resources appeared to arise from adjustments made on a trial-by-trial basis, in that systematic reaction time prolongations on Go-trials following Stop-trials versus following Go-trials were accompanied by attenuated sensory processing to the Go-stimulus similar to that seen in successful versus unsuccessful stopping in Stop-trials.},
  author       = {Böhler, Nico and Münte, TF and Krebs, Ruth and Heinze, HJ and Schoenfeld, MA and Hopf, JM},
  issn         = {1047-3211},
  journal      = {CEREBRAL CORTEX},
  keywords     = {CEREBRAL-CORTEX,ERROR-DETECTION,PREFRONTAL CORTICES,COUNTERMANDING SACCADES,CINGULATE CORTEX,COGNITIVE CONTROL,MOTOR AREAS,CHOICE REACTION-TIME,EVENT-RELATED POTENTIALS,ATTENTION-DEFICIT/HYPERACTIVITY DISORDER},
  language     = {eng},
  number       = {1},
  pages        = {134--145},
  title        = {Sensory MEG responses predict successful and failed inhibition in a stop-signal task},
  url          = {http://dx.doi.org/10.1093/cercor/bhn063},
  volume       = {19},
  year         = {2009},
}

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