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Paper Abstract and Keywords
Presentation 2015-12-19 14:25
Differences of auditory neural responses among cortical fields and layers in the rat auditory cortex
Takeaki Haga, Takashi Tateno, Jun Nishikawa (Hokkaido Univ.) NC2015-49
Abstract (in Japanese) (See Japanese page) 
(in English) The auditory cortex has an important role for auditory processing in the brain. Although the auditory cortex has multi layers and sub-field structure, a little is known about the relationship between the structure and functions in the auditory processing. In the present study, using local field potential (LFP) recording and flavoprotein optical imaging, we respectively identified layers and cortical fields, and recorded auditory neural response in the targeted layers and fields. Calculating frequency response areas (FRAs) and spectro-temporal receptive fields (STRFs) enabled us to analyze the differences in auditory response properties among layers and/or fields. As a result, layer 2/3 (L2/3) had long latency and narrow frequency-band properties compared to those of layer 4 (L4), which is the recipient layer in the auditory cortex. Layer 5/6 (L5/6) had long latency and duration. In addition, AAF has high auditory threshold and narrow band property. These results indicate that the main information flow was in order of L4→L2/3→L5/6 and A1→AAF, accompanying with frequency extraction. Especially, L2/3 and L4 might be involved in interacting with other cortical fields. These results will help us to realize the auditory processing in the auditory cortex, taking into account the function of hierarchical laminar and sub-field structure.
Keyword (in Japanese) (See Japanese page) 
(in English) auditory cortex / spectro-temporal receptive field / frequency response area / laminar dependence / cortical field dependence / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 384, NC2015-49, pp. 19-24, Dec. 2015.
Paper # NC2015-49 
Date of Issue 2015-12-12 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NC2015-49

Conference Information
Committee MBE NC  
Conference Date 2015-12-19 - 2015-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2015-12-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Differences of auditory neural responses among cortical fields and layers in the rat auditory cortex 
Sub Title (in English)  
Keyword(1) auditory cortex  
Keyword(2) spectro-temporal receptive field  
Keyword(3) frequency response area  
Keyword(4) laminar dependence  
Keyword(5) cortical field dependence  
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Keyword(8)  
1st Author's Name Takeaki Haga  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Takashi Tateno  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Jun Nishikawa  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2015-12-19 14:25:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2015-49 
Volume (vol) vol.115 
Number (no) no.384 
Page pp.19-24 
#Pages 6 
Date of Issue 2015-12-12 (NC) 

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