The effect of deviant stimulus probability on the human mismatch process
The present study addresses the separate activities of frontal and temporal MMN generators which might be differentially affected by a change in the probability of standard stimuli. As the probability of standard stimuli was increased, the frontal MMN component significantly increased in amplitude,...
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Veröffentlicht in: | Neuroreport 2000-11, Vol.11 (17), p.3703-3708 |
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creator | Sato, Yasuharu Yabe, Hirooki Hiruma, Tomiharu Sutoh, Takeyuki Shinozaki, Naoko Nashida, Tadayoshi Kaneko, Sunao |
description | The present study addresses the separate activities of frontal and temporal MMN generators which might be differentially affected by a change in the probability of standard stimuli. As the probability of standard stimuli was increased, the frontal MMN component significantly increased in amplitude, while the temporal one was not affected. Correspondingly, the scalp current density (SCD) maps showed that the temporal MMN generator was activated even at low probability of standard stimuli, suggesting that even the weak memory trace could start the automatic mismatch process, whereas the frontal MMN generator was activated only with increased probabilities of standard stimuli, suggesting that the stronger the memory trace is, the easier it might trigger the involuntary switching of attention to stimulus change. |
doi_str_mv | 10.1097/00001756-200011270-00023 |
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As the probability of standard stimuli was increased, the frontal MMN component significantly increased in amplitude, while the temporal one was not affected. 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As the probability of standard stimuli was increased, the frontal MMN component significantly increased in amplitude, while the temporal one was not affected. 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Psychology</topic><topic>Humans</topic><topic>Male</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sato, Yasuharu</creatorcontrib><creatorcontrib>Yabe, Hirooki</creatorcontrib><creatorcontrib>Hiruma, Tomiharu</creatorcontrib><creatorcontrib>Sutoh, Takeyuki</creatorcontrib><creatorcontrib>Shinozaki, Naoko</creatorcontrib><creatorcontrib>Nashida, Tadayoshi</creatorcontrib><creatorcontrib>Kaneko, Sunao</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Neuroreport</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sato, Yasuharu</au><au>Yabe, Hirooki</au><au>Hiruma, Tomiharu</au><au>Sutoh, Takeyuki</au><au>Shinozaki, Naoko</au><au>Nashida, Tadayoshi</au><au>Kaneko, Sunao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of deviant stimulus probability on the human mismatch process</atitle><jtitle>Neuroreport</jtitle><addtitle>Neuroreport</addtitle><date>2000-11-27</date><risdate>2000</risdate><volume>11</volume><issue>17</issue><spage>3703</spage><epage>3708</epage><pages>3703-3708</pages><issn>0959-4965</issn><eissn>1473-558X</eissn><abstract>The present study addresses the separate activities of frontal and temporal MMN generators which might be differentially affected by a change in the probability of standard stimuli. 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subjects | Acoustic Stimulation Adult Attention - physiology Behavioral psychophysiology Biological and medical sciences Electroencephalography Electrophysiology Evoked Potentials, Auditory - physiology Fundamental and applied biological sciences. Psychology Humans Male Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology |
title | The effect of deviant stimulus probability on the human mismatch process |
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