Lateral Geniculate Nucleus
Lateral Geniculate Nucleus - Related Videos
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Inducing Long-Term Plasticity of Intrinsic Neuronal Excitability in Neurons of the Dorsal Lateral Geniculate Nucleus
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2024
Here, we describe a protocol for inducing long-term plasticity of neuronal intrinsic excitability in relay neurons from the dorsal lateral geniculate nucleus maintained in ex vivo brain slices.
02:13
In Vivo Imaging of Geniculate Ganglion Neuron Responses Using Epifluorescent Microscopy
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2025
Source: Fowler, B. E., et al. In vivo Calcium Imaging of Mouse Geniculate Ganglion Neuron Responses to Taste Stimuli. J. Vis. Exp. (2021) This video demonstrates a protocol for delivering tastants to the surgically exposed geniculate ganglion in an anesthetized mouse and using GCaMP fluorescence with epifluorescent microscopy to visualize real-time neuronal responses, aiding studies on peripheral taste signal processing.
06:00
Cortex-, Hippocampus-, Thalamus-, Hypothalamus-, Lateral Septal Nucleus- and Striatum-specific In Utero Electroporation in the C57BL/6 Mouse
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Cited by 14 •
2016
This protocol describes in detail how to specifically transfect different regions in the C57BL/6 central nervous system via in utero electroporation. Included in this protocol are detailed instructions for transfections of regions that develop into the cortex, hippocampus, thalamus, hypothalamus, lateral septal nucleus and striatum.
05:13
Co-culturing of Ventral Hippocampal and Nucleus Accumbens
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2025
This video demonstrates the process of preparing ventral hippocampal and nucleus accumbens tissues from mouse brains for co-culture. Neurons extend projections to form synaptic connections between the ventral hippocampal and nucleus accumbens tissues. This method allows studying neuronal interactions between these two brain regions, offering insights into cognition, behavior, and neurological disorders.
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The Nucleus
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2023
The nucleus is a membrane-bound organelle that acts as a control center in a eukaryotic cell. It contains chromosomal DNA, which controls gene expression and precisely regulates the production of proteins within the cell. In contrast, the DNA inside the mitochondria and chloroplast only carries out functions that are specific to those organelles. Arrangement of DNA within Nucleus The regulation of gene expression inside the nucleus is dependent on many factors, including the DNA structure. The...
FAQs
Retinal ganglion cell signals remain segregated by eye when they reach the lateral geniculate nucleus. The LGN arranges these inputs into distinct layers, preserving an important feature of the incoming visual information before transmission toward the cerebral cortex. This organization allows researchers to examine how separate retinal signals are maintained and structured during early visual processing.
The cerebral cortex does not simply receive information from the lateral geniculate nucleus; it also sends feedback that influences the relay. This feedback makes the pathway an interactive circuit rather than a one-way transmission line. Studying that influence helps clarify how thalamocortical processing can modify or regulate the passage of visual signals toward cortical visual areas.
Visual information travels from retinal ganglion cell axons through the optic tract, enters the layered LGN, and then continues through optic radiations to the primary visual cortex. Examining this sequence connects anatomical routing with signal transformation. It also provides a framework for studying how spatial organization is preserved or modified between the retina and cortex.
Following the pathway from the retina through the optic tract, LGN, and optic radiations to the primary visual cortex reveals how visual information is organized across connected structures. This approach supports analysis of relay architecture, eye-specific segregation, and spatial relationships. It is especially useful for linking pathway anatomy with visual perception and sensory-signal processing.
Because the lateral geniculate nucleus occupies a central position between retinal input and cortical visual processing, its circuits provide a useful context for investigating disruptions in visual information flow. Research can examine how altered organization or connectivity may affect signal transmission. These studies contribute to broader understanding of visual disorders without limiting analysis to the retina or cortex alone.
The LGN provides a model for examining communication between sensory pathways, thalamic structures, and the cerebral cortex. Its layered organization, optic-radiation output, and cortical feedback expose several levels of thalamocortical processing within one system. Consequently, LGN research can inform investigations of brain connectivity, sensory integration, and the biological basis of visual perception.