Interactions between mood and the structure of semantic memory: event-related potentials evidence
Identifieur interne : 000415 ( Main/Exploration ); précédent : 000414; suivant : 000416Interactions between mood and the structure of semantic memory: event-related potentials evidence
Auteurs : Ana P. Pinheiro [Portugal, États-Unis] ; Elisabetta Del Re [États-Unis] ; Paul G. Nestor [États-Unis] ; Robert W. Mccarley [États-Unis] ; Scar F. Gonçalves [Portugal] ; Margaret Niznikiewicz [États-Unis]Source :
- Social Cognitive and Affective Neuroscience [ 1749-5016 ] ; 2012.
Abstract
Recent evidence suggests that affect acts as modulator of cognitive processes and in particular that induced mood has an effect on the way semantic memory is used on-line. We used event-related potentials (ERPs) to examine affective modulation of semantic information processing under three different moods: neutral, positive and negative. Fifteen subjects read 324 pairs of sentences, after mood induction procedure with 30 pictures of neutral, 30 pictures of positive and 30 pictures of neutral valence: 108 sentences were read in each mood induction condition. Sentences ended with three word types: expected words, within-category violations, and between-category violations. N400 amplitude was measured to the three word types under each mood induction condition. Under neutral mood, a congruency (more negative N400 amplitude for unexpected relative to expected endings) and a category effect (more negative N400 amplitude for between- than to within-category violations) were observed. Also, results showed differences in N400 amplitude for both within- and between-category violations as a function of mood: while positive mood tended to facilitate the integration of unexpected but related items, negative mood made their integration as difficult as unexpected and unrelated items. These findings suggest the differential impact of mood on access to long-term semantic memory during sentence comprehension.
Url:
DOI: 10.1093/scan/nss035
PubMed: 22434931
PubMed Central: 3682442
Affiliations:
- Portugal, États-Unis
- Massachusetts, Région Nord (Portugal)
- Amherst (Massachusetts), Braga
- Université du Massachusetts, Université du Minho
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Gonçalves</name><affiliation wicri:level="4"><nlm:aff id="nss035-AFF1">Neuropsychophysiology Lab, CiPsi, School of Psychology, University of Minho, Braga, Portugal,</nlm:aff><country xml:lang="fr">Portugal</country><wicri:regionArea>Neuropsychophysiology Lab, CiPsi, School of Psychology, University of Minho, Braga</wicri:regionArea><orgName type="university">Université du Minho</orgName><placeName><settlement type="city">Braga</settlement><region>Région Nord (Portugal)</region></placeName></affiliation></author><author><name sortKey="Niznikiewicz, Margaret" sort="Niznikiewicz, Margaret" uniqKey="Niznikiewicz M" first="Margaret" last="Niznikiewicz">Margaret Niznikiewicz</name><affiliation wicri:level="2"><nlm:aff id="nss035-AFF1">Cognitive Neuroscience Lab, Department of Psychiatry, Harvard Medical School, Boston, MA,</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Massachusetts</region></placeName><wicri:cityArea>Cognitive Neuroscience Lab, Department of Psychiatry, Harvard Medical School, Boston</wicri:cityArea></affiliation><affiliation><nlm:aff wicri:cut=" and" id="nss035-AFF1">Boston VA Healthcare System, Brockton MA</nlm:aff><wicri:noCountry code="subfield">Brockton MA</wicri:noCountry></affiliation></author></analytic><series><title level="j">Social Cognitive and Affective Neuroscience</title><idno type="ISSN">1749-5016</idno><idno type="e-ISSN">1749-5024</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Recent evidence suggests that affect acts as modulator of cognitive processes and in particular that induced mood has an effect on the way semantic memory is used on-line. We used event-related potentials (ERPs) to examine affective modulation of semantic information processing under three different moods: neutral, positive and negative. Fifteen subjects read 324 pairs of sentences, after mood induction procedure with 30 pictures of neutral, 30 pictures of positive and 30 pictures of neutral valence: 108 sentences were read in each mood induction condition. Sentences ended with three word types: expected words, within-category violations, and between-category violations. N400 amplitude was measured to the three word types under each mood induction condition. Under neutral mood, a congruency (more negative N400 amplitude for unexpected relative to expected endings) and a category effect (more negative N400 amplitude for between- than to within-category violations) were observed. Also, results showed differences in N400 amplitude for both within- and between-category violations as a function of mood: while positive mood tended to facilitate the integration of unexpected but related items, negative mood made their integration as difficult as unexpected and unrelated items. These findings suggest the differential impact of mood on access to long-term semantic memory during sentence comprehension.</p></div></front></TEI><affiliations><list><country><li>Portugal</li><li>États-Unis</li></country><region><li>Massachusetts</li><li>Région Nord (Portugal)</li></region><settlement><li>Amherst (Massachusetts)</li><li>Braga</li></settlement><orgName><li>Université du Massachusetts</li><li>Université du Minho</li></orgName></list><tree><country name="Portugal"><region name="Région Nord (Portugal)"><name sortKey="Pinheiro, Ana P" sort="Pinheiro, Ana P" uniqKey="Pinheiro A" first="Ana P." last="Pinheiro">Ana P. Pinheiro</name></region><name sortKey="Goncalves, Scar F" sort="Goncalves, Scar F" uniqKey="Goncalves " first=" Scar F." last="Gonçalves"> Scar F. Gonçalves</name></country><country name="États-Unis"><region name="Massachusetts"><name sortKey="Pinheiro, Ana P" sort="Pinheiro, Ana P" uniqKey="Pinheiro A" first="Ana P." last="Pinheiro">Ana P. Pinheiro</name></region><name sortKey="Del Re, Elisabetta" sort="Del Re, Elisabetta" uniqKey="Del Re E" first="Elisabetta" last="Del Re">Elisabetta Del Re</name><name sortKey="Mccarley, Robert W" sort="Mccarley, Robert W" uniqKey="Mccarley R" first="Robert W." last="Mccarley">Robert W. Mccarley</name><name sortKey="Nestor, Paul G" sort="Nestor, Paul G" uniqKey="Nestor P" first="Paul G" last="Nestor">Paul G. Nestor</name><name sortKey="Nestor, Paul G" sort="Nestor, Paul G" uniqKey="Nestor P" first="Paul G" last="Nestor">Paul G. Nestor</name><name sortKey="Niznikiewicz, Margaret" sort="Niznikiewicz, Margaret" uniqKey="Niznikiewicz M" first="Margaret" last="Niznikiewicz">Margaret Niznikiewicz</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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