| Title |
A repetition suppression effect lasting several days within the semantic network
|
|---|---|
| Published in |
Experimental Brain Research, July 2007
|
| DOI | 10.1007/s00221-007-1051-8 |
| Pubmed ID | |
| Authors |
Ingo G. Meister, Dorothee Buelte, Roland Sparing, Babak Boroojerdi |
| Abstract |
Performance in a semantic task is speeded up for repeated stimuli compared to novel stimuli. This conceptual priming effect is related to a decrease in functional activation within the left inferior prefrontal cortex for repeated stimulus exposure (repetition suppression). However, in contrast to perceptual priming which is known to be very robust over long periods of time, previous studies on semantic priming focused on short-term effects. The present study combined a behavioral and functional imaging experiment to investigate long-term conceptual repetition priming (retention interval 3 days). We found a highly significant decrease of reaction time for word stimuli which were presented repeatedly after 3 days both compared to initial presentation and to a matched word list. The functional magnetic resonance imaging data showed a repetition suppression within the left inferior (BA45, BA47) and middle (BA9) frontal gyrus for the comparison of known with unknown words. These data demonstrate that even over a period as long as 3 days, a repetition suppression within the left frontal network involved in semantic decision can be found. Thus, priming-related mechanisms in the semantic network may be robust over several days. |
Mendeley readers
The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 2 | 5% |
| Canada | 2 | 5% |
| United Kingdom | 1 | 3% |
| Brazil | 1 | 3% |
| Unknown | 31 | 84% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Researcher | 11 | 30% |
| Student > Ph. D. Student | 9 | 24% |
| Professor | 4 | 11% |
| Student > Master | 4 | 11% |
| Professor > Associate Professor | 2 | 5% |
| Other | 3 | 8% |
| Unknown | 4 | 11% |
| Readers by discipline | Count | As % |
|---|---|---|
| Psychology | 20 | 54% |
| Neuroscience | 4 | 11% |
| Agricultural and Biological Sciences | 2 | 5% |
| Linguistics | 2 | 5% |
| Medicine and Dentistry | 2 | 5% |
| Other | 2 | 5% |
| Unknown | 5 | 14% |
Attention Score in Context
This research output has an Altmetric Attention Score of 7. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 10 September 2008.
All research outputs
#4,644,611
of 22,655,397 outputs
Outputs from Experimental Brain Research
#444
of 3,214 outputs
Outputs of similar age
#13,001
of 67,480 outputs
Outputs of similar age from Experimental Brain Research
#2
of 18 outputs
Altmetric has tracked 22,655,397 research outputs across all sources so far. Compared to these this one has done well and is in the 79th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 3,214 research outputs from this source. They receive a mean Attention Score of 5.0. This one has done well, scoring higher than 86% of its peers.
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We're also able to compare this research output to 18 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 88% of its contemporaries.