Somatic responses in behavioral inhibition |
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| Authors: | Paul Whitney John M Hinson Aaron Wirick Heather Holben |
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| Institution: | (1) Department of Psychology, Soochow University, Taipei, Taiwan;(2) Institute of Neuroscience, School of Life Science, National Yang-Ming University, Taipei, Taiwan;(3) Laboratory of Integrated Brain Research, Department of Medical Research & Education, Taipei Veterans General Hospital, Taipei, Taiwan;(4) Institute of Neural and Cognitive Sciences, China Medical University & Hospital, Taichung, Taiwan;(5) Department of Psychology, National Taiwan University, Taipei, Taiwan;(6) Department of Business Administration, Minghsin University of Science and Technology, Hsinchu, Taiwan;(7) Department of Electrical Engineering, National Central University, Taoyuan, Taiwan;(8) Institute of Brain Science, School of Medicine, National Yang-Ming University, Taipei, Taiwan |
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| Abstract: | In the present study, skin conductance responses (SCRs) were measured postdecision and prefeedback in a go/no-go (GNG) task
in which participants used response feedback to learn when to respond or not to respond to numeric stimuli. Like somatic markers
in gambling tasks and somatic reactions to error monitoring in choice reaction time tasks, SCR patterns distinguished between
correct and incorrect trials over time. These somatic reactions were disrupted by a reversal of GNG contingencies, and they
were facilitated by pretraining of the stimulus—response mappings. In all cases, however, the somatic reactions appeared to
be a product of competent decision making rather than a contributor to performance. Differential somatic responses to good
and bad choices appear to be a robust and fairly general phenomenon, but researchers should be cautious in assuming that the
somatic responses contribute to performance. |
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