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Scaling effects in a model of the olfactory bulb
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- Sandström, Malin (author)
- KTH,Beräkningsbiologi, CB
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- Hellgren Kotaleski, Jeanette (author)
- KTH,Beräkningsbiologi, CB
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- Lansner, Anders (author)
- KTH,Beräkningsbiologi, CB
- (creator_code:org_t)
- Elsevier BV, 2007
- 2007
- English.
- In: Neurocomputing. - : Elsevier BV. - 0925-2312. ; 70:10-12, s. 1802-1807
- Journal article (peer-reviewed)
Abstract
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- Most computational models of the olfactory bulb are much smaller than any biological olfactory bulb-usually because the number of granule cells is much lower. The resulting subsampling of the inhibitory input may distort network dynamics and processing. We have constructed a large-scale model of the zebrafish olfactory bulb, as well as two smaller models, using the efficient parallellizing neural simulator SPLIT and data from a previously existing GENESIS model. We are studying several characteristics-among them overall behaviour, degree of synchrony of mitral cells and the timescale of appearance of synchrony-using cross-correlation plots and synthesized EEGs. Larger models with higher proportions of granule cells to mitral cells appear to give more synchronized output, especially for stimuli with shorter timescales.
Keyword
- olfactory bulb; oscillation; synchronization
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- ref (subject category)
- art (subject category)
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