Meeting Banner
Abstract #1037

Optogenetic fMRI reveals neural adaptation properties beyond local olfactory circuits

Teng Ma1,2,3, Xunda Wang1,2, Linshan Xie1,2, Junjian Wen1,2, Pit Shan Chong4, Peng Cao3, Lee Wei Lim4, Ed X. Wu1,2,4, and Alex T. L. Leong1,2
1Laboratory of Biomedical Imaging and Signal Processing, The University of Hong Kong, Hong Kong SAR, China, 2Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong SAR, China, 3Department of Diagnostic Radiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China, 4School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China

Synopsis

Keywords: Brain Connectivity, NeuroscienceOlfactory adaptation due to repeated odor cues has been studied extensively by fMRI or electrophysiology studies in several primary olfactory regions (i.e., anterior olfactory nucleus, AON, and piriform cortex, Pir). However, the modulatory role of other primary olfactory regions (e.g., amygdala and entorhinal cortex) and their integrations with high-order olfactory regions during olfactory adaptation is likely underestimated due to the documented weak and unstable responses at regions beyond AON and Pir with conventional presentation of odor stimuli. Here, we deployed an optogenetic fMRI approach to improve sensitivity in detecting olfactory responses and examine their adaptation at the systems level.

How to access this content:

For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.

After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.

After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.

Click here for more information on becoming a member.

Keywords