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  Olfactory object recognition, segmentation, adaptation, target seeking, and discrimination by the network of the olfactory bulb and cortex: computational model and experimental data

Zhaoping, L. (2016). Olfactory object recognition, segmentation, adaptation, target seeking, and discrimination by the network of the olfactory bulb and cortex: computational model and experimental data. Current Opinion in Behavioral Sciences, 11, 30-39. doi:10.1016/j.cobeha.2016.03.009.

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Zhaoping, L1, Author              
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1External Organizations, ou_persistent22              

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 Abstract: Mammals are poor at individuating the separate components that comprise odor mixtures, but not when components enter environment serially and when there is top-down expectation. Li proposed in 1990 an odor segmentation mechanism using the centrifugal feedback from the olfactory cortex to the olfactory bulb. This feedback suppresses the bulbar responses to the ongoing and already recognized odors so that a subsequent addition of a foreground odor can be singled out for recognition. Additionally, the feedback can depend on context so as to, for example, enhance sensitivity to a target odor or improve discrimination between similar odors. I review experimental data that have since emerged in relation to the computational predictions and implications, and suggest experiments to test the model further.

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 Dates: 2016-10
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/j.cobeha.2016.03.009
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Title: Current Opinion in Behavioral Sciences
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 11 Sequence Number: - Start / End Page: 30 - 39 Identifier: ISSN: 2352-1546
CoNE: https://pure.mpg.de/cone/journals/resource/2352-1546