Event-Related Potentials Elicited by Automatic Targets: A Dual-Task Analysis
The role of limited capacity processes in the detection of automatic targets was investigated in a dual-task paradigm using both behavioral and event-related brain potential (ERP) measures. An automatic detection task was paired with another concurrent discrimination while the relative importance of...
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| Veröffentlicht in: | Journal of experimental psychology. Human perception and performance 1985-02, Vol.11 (1), p.50-61 |
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| container_title | Journal of experimental psychology. Human perception and performance |
| container_volume | 11 |
| creator | Hoffman, James E Houck, Michael R MacMillan, Frank W Simons, Robert F Oatman, Lynn C |
| description | The role of limited capacity processes in the detection of automatic targets was investigated in a dual-task paradigm using both behavioral and event-related brain potential (ERP) measures. An automatic detection task was paired with another concurrent discrimination while the relative importance of each task was systematically varied. The resulting performance operating characteristic (POC) showed that both the speed and accuracy of automatic detection responses were affected by the allocation of attention. Reductions in the accuracy of each task were accompanied by reductions in the amplitude of a late-positive component of the ERP (P300). In addition, the latency of the P300 component elicited by automatic targets was increased in dual-task conditions. A comparison of behavioral and ERP measures suggested the involvement of two separate limited-capacity processes in automatic detection: one concerned with the formation of an episodic representation of target occurrence and the other with the execution of rapid motor responses. |
| doi_str_mv | 10.1037/0096-1523.11.1.50 |
| format | Article |
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Human perception and performance</title><addtitle>J Exp Psychol Hum Percept Perform</addtitle><description>The role of limited capacity processes in the detection of automatic targets was investigated in a dual-task paradigm using both behavioral and event-related brain potential (ERP) measures. An automatic detection task was paired with another concurrent discrimination while the relative importance of each task was systematically varied. The resulting performance operating characteristic (POC) showed that both the speed and accuracy of automatic detection responses were affected by the allocation of attention. Reductions in the accuracy of each task were accompanied by reductions in the amplitude of a late-positive component of the ERP (P300). In addition, the latency of the P300 component elicited by automatic targets was increased in dual-task conditions. A comparison of behavioral and ERP measures suggested the involvement of two separate limited-capacity processes in automatic detection: one concerned with the formation of an episodic representation of target occurrence and the other with the execution of rapid motor responses.</description><subject>Attention - physiology</subject><subject>Behavioral psychophysiology</subject><subject>Biological and medical sciences</subject><subject>Evoked Potentials</subject><subject>Evoked Potentials, Visual</subject><subject>Form Perception - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Human</subject><subject>Human Channel Capacity</subject><subject>Humans</subject><subject>Perceptual Masking - physiology</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. 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Psychophysiology</topic><topic>Reaction Time</topic><topic>Selective Attention</topic><topic>Visual Discrimination</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hoffman, James E</creatorcontrib><creatorcontrib>Houck, Michael R</creatorcontrib><creatorcontrib>MacMillan, Frank W</creatorcontrib><creatorcontrib>Simons, Robert F</creatorcontrib><creatorcontrib>Oatman, Lynn C</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>APA PsycArticles®</collection><collection>ProQuest One Psychology</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of experimental psychology. Human perception and performance</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hoffman, James E</au><au>Houck, Michael R</au><au>MacMillan, Frank W</au><au>Simons, Robert F</au><au>Oatman, Lynn C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Event-Related Potentials Elicited by Automatic Targets: A Dual-Task Analysis</atitle><jtitle>Journal of experimental psychology. Human perception and performance</jtitle><addtitle>J Exp Psychol Hum Percept Perform</addtitle><date>1985-02</date><risdate>1985</risdate><volume>11</volume><issue>1</issue><spage>50</spage><epage>61</epage><pages>50-61</pages><issn>0096-1523</issn><eissn>1939-1277</eissn><coden>JPHPDH</coden><abstract>The role of limited capacity processes in the detection of automatic targets was investigated in a dual-task paradigm using both behavioral and event-related brain potential (ERP) measures. 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| ispartof | Journal of experimental psychology. Human perception and performance, 1985-02, Vol.11 (1), p.50-61 |
| issn | 0096-1523 1939-1277 |
| language | eng |
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| subjects | Attention - physiology Behavioral psychophysiology Biological and medical sciences Evoked Potentials Evoked Potentials, Visual Form Perception - physiology Fundamental and applied biological sciences. Psychology Human Human Channel Capacity Humans Perceptual Masking - physiology Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Reaction Time Selective Attention Visual Discrimination |
| title | Event-Related Potentials Elicited by Automatic Targets: A Dual-Task Analysis |
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