The effects of reward and punishment on response inhibition in non-clinical psychopathy
Personality and Individual Differences Volume 50 Issue 1
Page 69-73
published_at 2011-01
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Title ( eng ) |
The effects of reward and punishment on response inhibition in non-clinical psychopathy
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Creator |
Masui Keita
Nomura Michio
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Source Title |
Personality and Individual Differences
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Volume | 50 |
Issue | 1 |
Start Page | 69 |
End Page | 73 |
Abstract |
Response inhibition is an important control mechanism in reacting effectively to sudden changes in the environment and a deficit in this mechanism is thought to be a main feature of various impulse control disorders including psychopathy This study investigated the effects of reward and punishment on the inhibitory capabilities of non-clinical participants with both high and low levels of psychopathy Forty participants performed a stop-signal task under three conditions in a mixed factorial design a no reward or punishment (N) condition a low magnitude reward and punishment (L) condition and a high magnitude reward and punishment (H) condition Participants with low psychopathy were more inhibited during both reward and punishment conditions as compared to the no reward/punishment condition On the other hand participants with high psychopathy showed increased response inhibition only during the L condition The presence of reward and/or punishment regardless of magnitude increases response inhibition in participants with low psychopathy whereas high levels of reward and/or punishment do not affect response inhibition in high psychopathy participants These results suggest that a deficit in response inhibition under incentive conditions could constitute a dimensional feature or aspect of clinical and non-clinical psychopathy.
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Keywords |
Response inhibition
Psychopathy
Non clinical
Stop signal paradigm
SSRT
Reward Punishment
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NDC |
Medical sciences [ 490 ]
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Language |
eng
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Resource Type | journal article |
Publisher |
Pergamon Elsevier Science Ltd
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Date of Issued | 2011-01 |
Rights |
Copyright (c) 2010 Elsevier Ltd.
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Publish Type | Author’s Original |
Access Rights | open access |
Source Identifier |
[ISSN] 0191-8869
[DOI] 10.1016/j.paid.2010.08.024
[NCID] AA00361751
[DOI] http://dx.doi.org/10.1016/j.paid.2010.08.024
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