Title: | Identifying and modelling context sensitivity in the auditory system of the brain |
Author(s): | Westö, Johan |
Date: | 2018 |
Language: | en |
Pages: | 88 + app. 100 |
Department: | Neurotieteen ja lääketieteellisen tekniikan laitos Department of Neuroscience and Biomedical Engineering |
ISBN: | 978-952-60-7989-9 (electronic) 978-952-60-7988-2 (printed) |
Series: | Aalto University publication series DOCTORAL DISSERTATIONS, 91/2018 |
ISSN: | 1799-4942 (electronic) 1799-4934 (printed) 1799-4934 (ISSN-L) |
Supervising professor(s): | Sams, Mikko, Prof., Aalto University, Department of Neuroscience and Biomedical Engineering, Finland |
Thesis advisor(s): | May, Patric, Dr., Lancaster University, UK; Tiitinen, Hannu, Dr., Aalto University, Department of Neuroscience and Biomedical Engineering, Finland |
Subject: | Biotechnology, Medical sciences |
Keywords: | temporal binding, STRF, context models, synaptic depression, mismatch response, stimulus-specific adaptation |
Archive | yes |
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Abstract:Vi kan utan större ansträngning förstå ljud i vår omgivning, detta trots att uppgiften utgör en formidabel utmaning för vår hjärna. Våra öron uppfattar ett kontinuerligt flöde av tryckförändringar och dessa skall tolkas och ges mening. Den här signalbehandlingsuppgiften kräver att sekvenser bestående av ett stort urval av frekvenser måste kunna detekteras, men i dagsläget vet vi ännu inte hur vår hjärna lyckas med den bedriften. Denna avhandling strävar till att förändra detta genom att blottlägga de neurala mekanismerna som möjliggör detektering av frekvenssekvenser i flödet av tryckförändringar som vi normalt sett kallar ljud. |
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Parts:[Publication 1]: May P., Westö, J., Tiitinen, H. Computational modelling suggests that temporal integration results from synaptic adaptation in auditory cortex. European Journal of Neuroscience, 2015, Vol. 41, pp. 615–630, DOI: 10.1111/ejn.12820 View at Publisher [Publication 2]: Westö, J., May, P.,Tiitinen, H. Memory Stacking in Hierarchical Networks. Neural Computation, 2016, Vol. 28, pp. 327–353, DOI: 10.1162/NECO_a_00803 View at Publisher [Publication 3]: Westö, J., May, P. Capturing contextual effects in spectro-temporal receptive fields. Hearing Research, 2016, Vol. 339, pp. 195–210, DOI: 10.1016/j.heares.2016.07.012 View at Publisher [Publication 4]: Westö, J., May, P. Describing complex cells in visual cortex: a comparison of context and multi-filter LN models. Submitted 2017. DOI: 10.1152/jn.00916.2017 View at Publisher |
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