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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002659naa a2200361 4500
001oai:prod.swepub.kib.ki.se:132925138
003SwePub
008240811s2016 | |||||||||||000 ||eng|
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1329251382 URI
024a https://doi.org/10.1038/srep205952 DOI
040 a (SwePub)ki
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Le, QV4 aut
2451 0a Snakes elicit earlier, and monkey faces, later, gamma oscillations in macaque pulvinar neurons
264 c 2016-02-08
264 1b Springer Science and Business Media LLC,c 2016
520 a Gamma oscillations (30–80 Hz) have been suggested to be involved in feedforward visual information processing, and might play an important role in detecting snakes as predators of primates. In the present study, we analyzed gamma oscillations of pulvinar neurons in the monkeys during a delayed non-matching to sample task, in which monkeys were required to discriminate 4 categories of visual stimuli (snakes, monkey faces, monkey hands and simple geometrical patterns). Gamma oscillations of pulvinar neuronal activity were analyzed in three phases around the stimulus onset (Pre-stimulus: 500 ms before stimulus onset; Early: 0–200 ms after stimulus onset; and Late: 300–500 ms after stimulus onset). The results showed significant increases in mean strength of gamma oscillations in the Early phase for snakes and the Late phase for monkey faces, but no significant differences in ratios and frequencies of gamma oscillations among the 3 phases. The different periods of stronger gamma oscillations provide neurophysiological evidence that is consistent with other studies indicating that primates can detect snakes very rapidly and also cue in to faces for information. Our results are suggestive of different roles of gamma oscillations in the pulvinar: feedforward processing for images of snakes and cortico-pulvinar-cortical integration for images of faces.
700a Isbell, LA4 aut
700a Matsumoto, J4 aut
700a Le, VQ4 aut
700a Nishimaru, H4 aut
700a Hori, E4 aut
700a Maior, RS4 aut
700a Tomaz, C4 aut
700a Ono, T4 aut
700a Nishijo, H4 aut
773t Scientific reportsd : Springer Science and Business Media LLCg 6, s. 20595-q 6<20595-x 2045-2322
856u https://www.nature.com/articles/srep20595.pdf
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:132925138
8564 8u https://doi.org/10.1038/srep20595

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