Event-Related Brain Potential Correlates of Two States of Conscious Awareness in Memory
We report an event-related potential (ERP) experiment of human recognition memory that explored the relation between conscious awareness and electrophysiological activity of the brain. We recorded ERPs from healthy adults while they made ``remember'' and ``know'' recognition judg...
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 1997-05, Vol.94 (11), p.5973-5978 |
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| container_title | Proceedings of the National Academy of Sciences - PNAS |
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| creator | Düzel, Emrah Yonelinas, Andrew P. Mangun, George R. Heinze, Hans-Jochen Tulving, Endel |
| description | We report an event-related potential (ERP) experiment of human recognition memory that explored the relation between conscious awareness and electrophysiological activity of the brain. We recorded ERPs from healthy adults while they made ``remember'' and ``know'' recognition judgments about previously seen words. These two kinds of judgments reflect ``autonoetic'' and ``noetic'' awareness, respectively. The ERP effects differed between the two kinds of awareness while they were similar for ``true'' and ``false'' recognition. Noetic awareness was associated with a temporoparietal positivity in the N400 range (325-600 ms) and a late (600-1,000 ms) frontocentral negativity, whereas autonoetic awareness was associated with a widespread, late, bifrontal and left parietotemporal (600-1000 ms) positivity. In the very late (1,300-1,900 ms) time window, a right frontal positivity was observed for both remember and know judgments of both true and false targets. These results provide physiological evidence for two types of conscious awareness in episodic memory retrieval. |
| doi_str_mv | 10.1073/pnas.94.11.5973 |
| format | Article |
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We recorded ERPs from healthy adults while they made ``remember'' and ``know'' recognition judgments about previously seen words. These two kinds of judgments reflect ``autonoetic'' and ``noetic'' awareness, respectively. The ERP effects differed between the two kinds of awareness while they were similar for ``true'' and ``false'' recognition. Noetic awareness was associated with a temporoparietal positivity in the N400 range (325-600 ms) and a late (600-1,000 ms) frontocentral negativity, whereas autonoetic awareness was associated with a widespread, late, bifrontal and left parietotemporal (600-1000 ms) positivity. In the very late (1,300-1,900 ms) time window, a right frontal positivity was observed for both remember and know judgments of both true and false targets. 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We recorded ERPs from healthy adults while they made ``remember'' and ``know'' recognition judgments about previously seen words. These two kinds of judgments reflect ``autonoetic'' and ``noetic'' awareness, respectively. The ERP effects differed between the two kinds of awareness while they were similar for ``true'' and ``false'' recognition. Noetic awareness was associated with a temporoparietal positivity in the N400 range (325-600 ms) and a late (600-1,000 ms) frontocentral negativity, whereas autonoetic awareness was associated with a widespread, late, bifrontal and left parietotemporal (600-1000 ms) positivity. In the very late (1,300-1,900 ms) time window, a right frontal positivity was observed for both remember and know judgments of both true and false targets. These results provide physiological evidence for two types of conscious awareness in episodic memory retrieval.</description><subject>Adult</subject><subject>Awareness - physiology</subject><subject>Behavioral neuroscience</subject><subject>Biological Sciences</subject><subject>Brain</subject><subject>Brain - physiology</subject><subject>Brain Mapping</subject><subject>Consciousness</subject><subject>Electric potential</subject><subject>Electrodes</subject><subject>Electrophysiology</subject><subject>Evoked Potentials - physiology</subject><subject>Female</subject><subject>Humans</subject><subject>Lateral stability</subject><subject>Male</subject><subject>Memory</subject><subject>Memory - physiology</subject><subject>Memory recall</subject><subject>Neurology</subject><subject>Neurons - physiology</subject><subject>Reaction Time</subject><subject>Time Factors</subject><subject>Time windows</subject><subject>Waveforms</subject><subject>Words</subject><issn>0027-8424</issn><issn>1091-6490</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkcFrFDEUxoModa2eBUEZPOhptnmZZJKAl7pUW6goWvEY3mYyOsvsZE0yrf3vm3G3S_WgEAjJ9_te3stHyFOgc6CyOtoMGOeazwHmQsvqHpkB1VDWXNP7ZEYpk6XijD8kj2JcUUq1UPSAHGgQGpSYkW8nl25I5WfXY3JN8TZgNxSffMqXHfbFwofwW4qFb4uLK198SbenhR-i7fwYi-MrDG5wMRbZ_MGtfbh-TB602Ef3ZLcfkq_vTi4Wp-X5x_dni-Pz0grJUonIm7zqqkHrLNq6bhQoYM4JadG5JcPWSlYtAVnNkC1b1Chk3baNwBZVdUjebOtuxuXaNTb3HbA3m9CtMVwbj535Uxm6H-a7vzSMKg3Z_mpnD_7n6GIy6y5a1_c4uDyZkZoyrkD8F8z_qXhVT-DLv8CVH8OQ_yA_CZXQHGiGjraQDT7G4Np9w0DNlKuZcjWaGwAz5Zodz-_Oued3QWb9xU6fjHv1boHX_wRMO_Z9cr9SJp9tyVVMPuxRzkDJ6gZcWsJQ</recordid><startdate>19970527</startdate><enddate>19970527</enddate><creator>Düzel, Emrah</creator><creator>Yonelinas, Andrew P.</creator><creator>Mangun, George R.</creator><creator>Heinze, Hans-Jochen</creator><creator>Tulving, Endel</creator><general>National Academy of Sciences of the United States of America</general><general>National Acad Sciences</general><general>National Academy of Sciences</general><general>The National Academy of Sciences of the USA</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>19970527</creationdate><title>Event-Related Brain Potential Correlates of Two States of Conscious Awareness in Memory</title><author>Düzel, Emrah ; Yonelinas, Andrew P. ; Mangun, George R. ; Heinze, Hans-Jochen ; Tulving, Endel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c572t-aa4da4d63dacecac66d81812ee57caeeb2afc723b1a262a2bfa9a576ffd5afa83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Adult</topic><topic>Awareness - physiology</topic><topic>Behavioral neuroscience</topic><topic>Biological Sciences</topic><topic>Brain</topic><topic>Brain - physiology</topic><topic>Brain Mapping</topic><topic>Consciousness</topic><topic>Electric potential</topic><topic>Electrodes</topic><topic>Electrophysiology</topic><topic>Evoked Potentials - physiology</topic><topic>Female</topic><topic>Humans</topic><topic>Lateral stability</topic><topic>Male</topic><topic>Memory</topic><topic>Memory - physiology</topic><topic>Memory recall</topic><topic>Neurology</topic><topic>Neurons - physiology</topic><topic>Reaction Time</topic><topic>Time Factors</topic><topic>Time windows</topic><topic>Waveforms</topic><topic>Words</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Düzel, Emrah</creatorcontrib><creatorcontrib>Yonelinas, Andrew P.</creatorcontrib><creatorcontrib>Mangun, George R.</creatorcontrib><creatorcontrib>Heinze, Hans-Jochen</creatorcontrib><creatorcontrib>Tulving, Endel</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Düzel, Emrah</au><au>Yonelinas, Andrew P.</au><au>Mangun, George R.</au><au>Heinze, Hans-Jochen</au><au>Tulving, Endel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Event-Related Brain Potential Correlates of Two States of Conscious Awareness in Memory</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>1997-05-27</date><risdate>1997</risdate><volume>94</volume><issue>11</issue><spage>5973</spage><epage>5978</epage><pages>5973-5978</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><abstract>We report an event-related potential (ERP) experiment of human recognition memory that explored the relation between conscious awareness and electrophysiological activity of the brain. 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| source | Jstor Complete Legacy; MEDLINE; PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Adult Awareness - physiology Behavioral neuroscience Biological Sciences Brain Brain - physiology Brain Mapping Consciousness Electric potential Electrodes Electrophysiology Evoked Potentials - physiology Female Humans Lateral stability Male Memory Memory - physiology Memory recall Neurology Neurons - physiology Reaction Time Time Factors Time windows Waveforms Words |
| title | Event-Related Brain Potential Correlates of Two States of Conscious Awareness in Memory |
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