Forebrain Development
Forebrain Development - Related Videos
07:49
Time-lapse Live Imaging of Clonally Related Neural Progenitor Cells in the Developing Zebrafish Forebrain
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Cited by 11 •
2011
The present video demonstrates a method which takes advantage of the combination of electroporation and confocal microscopy to perform live imaging on individual neural progenitor cells in the developing zebrafish forebrain. In vivo analysis of the development of forebrain neural progenitor cells at a clonal level can be achieved in this way.
06:00
Forebrain Electrophysiological Recording in Larval Zebrafish
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Cited by 55 •
2013
A simple method to record extracellular field potentials in the larval zebrafish forebrain is described. The method provides a robust in vivo read-out of seizure-like activity. This technique can be used with genetically modified zebrafish larvae carrying epilepsy-related genes or seizures evoked by administration of convulsant drugs.
04:10
Creating Avian Forebrain Chimeras to Assess Facial Development
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Cited by 1 •
2021
This article describes a tissue transplantation technique that was designed to test the signaling and patterning properties of basal forebrain during craniofacial development.
07:21
Two-Photon Calcium Imaging of Forebrain Activity in Behaving Adult Zebrafish
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Cited by 1 •
2023
Here, we present a protocol to perform two-photon calcium imaging in the dorsal forebrain of adult zebrafish.
07:46
Triggering Reactive Gliosis In Vivo by a Forebrain Stab Injury
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Cited by 8 •
2015
This article describes a detailed protocol to produce a forebrain stab injury in adult mice. The stab injury induces severe reactive gliosis and glial scar formation which can be subsequently examined by standard immunohistochemistry methods.
FAQs
Sonic hedgehog, Wnt, FGF, and BMP act as interacting patterning signals rather than isolated instructions. Together, they regulate how cells proliferate, migrate, differentiate, and acquire regional identities within the anterior neural tube. Their coordinated activity helps establish distinct forebrain territories, providing the developmental organization needed for later formation of specialized neural circuits.
This division creates distinct developmental territories that give rise to different forebrain structures. The telencephalon contributes to regions including the cerebral cortex, whereas the diencephalon includes the thalamus and hypothalamus. Establishing these identities allows developing cells to follow regionally appropriate programs and supports the later organization of perception, movement, learning, and homeostasis.
Cell proliferation controls how many progenitor cells become available, while migration places those cells in appropriate locations. Differentiation then gives cells specialized characteristics, and regional identity links those characteristics to particular forebrain territories. Because these processes are coordinated, disruption at any stage can alter tissue organization and interfere with the assembly of neural circuits.
Disrupted patterning signals or cellular processes can change regional identity, cell placement, or differentiation within the developing forebrain. Such developmental changes may produce cortical malformations or contribute to epilepsy and neurodevelopmental disorders. Studying these links helps connect early embryonic events with later abnormalities in brain structure and function, rather than treating the conditions as isolated clinical outcomes.
Organoids provide a research context for examining forebrain-related developmental processes outside the embryo. In this setting, investigators can study how patterning signals influence proliferation, migration, differentiation, and regional identity, while also modeling developmental abnormalities. Their use supports disease modeling by connecting altered developmental mechanisms with changes relevant to forebrain structure and function.
These studies reveal how early regional patterning and cell behaviors establish the cellular organization from which neural circuits are assembled. They can also indicate how developmental disruptions may lead to later circuit-related dysfunction, including epilepsy or neurodevelopmental disorders. This knowledge supports regenerative biology and helps frame experiments aimed at understanding or modeling altered forebrain development.