Journal
STAR PROTOCOLS
Volume 2, Issue 3, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.xpro.2021.100779
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Funding
- JSPS KAKENHI [17K14941]
- OIST Graduate University
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ISI is a technique used to map the functional architecture of the cortex based on hemodynamic responses. The protocol described involves using a cranial window with an access port to identify the area of V1 in a head-fixed mouse, followed by targeted viral vector injection for subsequent two-photon imaging of V1 layer 6 corticothalamic neurons. For more details, refer to the paper by Augustinaite and Kuhn (2020b).
Intrinsic optical signal imaging (ISI) is a hemodynamic response-based technique to map the functional architecture of the cortex. ISI is often used as an auxiliary method to localize cortical areas for targeted electrophysiology, pharmacology, or imaging experiments. Here, we provide a protocol for ISI through a cranial window with an access port to identify the area of the primary visual cortex (V1) in a head-fixed mouse, followed by targeted viral vector injection, which enables subsequent two-photon imaging of V1 layer 6 corticothalamic neurons. For complete details on the use and execution of this protocol, please refer to our paper Augustinaite and Kuhn (2020b).
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