Neocortex Imaging
Neocortex Imaging - Related Videos
06:31
A Method for 2-Photon Imaging of Blood Flow in the Neocortex through a Cranial Window
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Cited by 50 •
2008
Cortical blood flow dynamics can be studied in vivo by imaging fluorescent dextran dyes injected into the tail vein of rodents with 2-photon microscopy. This video shows how to image blood flow dynamics in neocortex of mice through a glass-covered cranial window preparation.
09:55
Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex
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Cited by 2 •
2018
Here we describe a procedure for tissue clearing, fluorescent labeling, and large-scale imaging of mouse brain tissue which, thereby, enables visualization of the three-dimensional organization of cell types in the neocortex.
10:29
Whole Cell Recording from an Organotypic Slice Preparation of Neocortex
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Cited by 6 •
2011
This is a protocol to prepare and maintain a neocortical slice preparation in organotypic culture for the purpose of making electrical recordings from pyramidal neurons.
11:24
Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging
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Cited by 19 •
2012
A method is described for labeling neurons with fluorescent dyes in predetermined functional micro-domains of the neocortex. First, intrinsic signal optical imaging is used to obtain a functional map. Then two-photon microscopy is used to label and image neurons within a micro-domain of the map.
07:03
In Vivo Targeting of Neural Progenitor Cells in Ferret Neocortex by In Utero Electroporation
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Cited by 5 •
2020
Presented here is a protocol to perform genetic manipulation in the embryonic ferret brain using in utero electroporation. This method allows for targeting of neural progenitor cells in the neocortex in vivo.
FAQs
Fluorescence microscopy can visualize labeled cells and their structural organization, whereas calcium imaging detects activity-related signals from cells. This distinction allows investigators to examine both where particular cells are located and how their activity changes. Using the appropriate approach helps connect cellular identity or arrangement with circuit function during sensory processing, development, or behavior.
Activity-dependent signals provide a way to relate neural events to changing cortical function rather than observing anatomy alone. In neocortex imaging, these signals can help researchers examine how populations of cells respond during sensory processing, movement, learning, or other behaviors. Their patterns may also reveal changes in communication within cortical circuits after injury or during disease.
Combining structural and functional observations links the position and connections of cortical cells with their activity. This integrated perspective can clarify how layered circuits support sensory representation, neural communication, and higher-order behaviors. It also helps investigators study whether network organization changes during development, learning, injury, or disease instead of treating anatomy and activity as separate phenomena.
The principal preparation choices described for Neocortex Imaging are cranial windows and tissue preparations. Cranial windows support observation of the cortex in an intact experimental setting, while tissue preparations provide access to cortical structures outside that setting. The choice depends on whether the study emphasizes ongoing activity and behavior or visualization of labeled cells and connections in prepared tissue.
Researchers can compare cellular or circuit signals with behavioral observations to investigate how cortical activity relates to sensory processing, movement, learning, and higher cognition. This approach moves beyond cataloging labeled cells by asking how network changes correspond to an organism’s actions. It can also support studies of altered cortical function following injury or in brain disorders.
Neocortex Imaging is especially useful for questions about cortical development, sensory representation, neural communication, and network change. It can also be applied to learning, injury, and disease, where researchers need to examine how cortical circuits reorganize or become disrupted. Selecting structural, calcium, or functional imaging approaches allows the investigation to focus on cells, activity, or broader circuit behavior.