Is the face-sensitive N170 the only ERP not affected by selective attention?
We assessed the effect of directed attention on early neurophysiological indices of face processing, measuring the N170 event-related potential (ERP). Twelve subjects were tested on two tasks each in which they attended either to eyes only or to faces with eyes closed, presented within series of fac...
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| Veröffentlicht in: | Neuroreport 2000-07, Vol.11 (10), p.2167-2171 |
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| creator | Cauquil, Alexandra Séverac Edmonds, Gillian E Taylor, Margot J |
| description | We assessed the effect of directed attention on early neurophysiological indices of face processing, measuring the N170 event-related potential (ERP). Twelve subjects were tested on two tasks each in which they attended either to eyes only or to faces with eyes closed, presented within series of facial and control stimuli. Consistent with the ERP literature, N170 was recorded to facial stimuli at posterior temporal electrodes and a concomitant positive peak at the vertex, with latencies around 150 ms for faces and 174 ms for eyes. However, unlike fMRI studies, neither the latency nor the amplitude of the peaks were sensitive to the target/non-target status of either the eyes or the face stimuli. This suggests that early stages of face processing indexed by N170 are automatic and unmodified by selective attention. |
| doi_str_mv | 10.1097/00001756-200007140-00021 |
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Psychophysiology</topic><topic>Reaction Time</topic><topic>Visual Perception - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cauquil, Alexandra Séverac</creatorcontrib><creatorcontrib>Edmonds, Gillian E</creatorcontrib><creatorcontrib>Taylor, Margot J</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>Cauquil, Alexandra Séverac</au><au>Edmonds, Gillian E</au><au>Taylor, Margot J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Is the face-sensitive N170 the only ERP not affected by selective attention?</atitle><jtitle>Neuroreport</jtitle><addtitle>Neuroreport</addtitle><date>2000-07-14</date><risdate>2000</risdate><volume>11</volume><issue>10</issue><spage>2167</spage><epage>2171</epage><pages>2167-2171</pages><issn>0959-4965</issn><eissn>1473-558X</eissn><abstract>We assessed the effect of directed attention on early neurophysiological indices of face processing, measuring the N170 event-related potential (ERP). 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| ispartof | Neuroreport, 2000-07, Vol.11 (10), p.2167-2171 |
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| language | eng |
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| source | Journals@Ovid Ovid Autoload; MEDLINE |
| subjects | Adult Attention - physiology Behavioral psychophysiology Biological and medical sciences Electrophysiology Evoked Potentials - physiology Eye Face Female Fundamental and applied biological sciences. Psychology Humans Male Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Reaction Time Visual Perception - physiology |
| title | Is the face-sensitive N170 the only ERP not affected by selective attention? |
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