期刊
NEUROSCIENCE RESEARCH
卷 99, 期 -, 页码 55-61出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neures.2015.06.001
关键词
Somatosensory cortex; Auditory cortex; Multimodal integration; Mouse; Optical imaging
资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan [25290006, 25115725, 25670719, 15H01442]
- Grants-in-Aid for Scientific Research [25670719, 15H01442, 26830013, 25115725, 15K16566] Funding Source: KAKEN
This study aimed to identify the parietal ventral (PV) area of the somatosensory cortex in mice and to determine whether auditory cortex and somatosensory cortex overlap. Using high resolution, voltage-sensitive dye-based imaging, we identified the PV area, which exhibited strong responses to stimulation of distal body parts but weak responses to stimulation of proximal and facial body parts. We further demonstrated a substantial overlap between the auditory and non-primary somatosensory areas, including the PV area. We found statistically significant non-additive integration of auditory and somatosensory inputs in the overlapping region, suggesting convergence of the two input streams at the cellular level. We have thus delineated the PV area in mice for the first time, and have shown that it is a likely site for the integration of auditory and somatic inputs. (C) 2015 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.
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