Neural Circuit Regulation
Neural Circuit Regulation - Related Videos
08:53
Recordings of Neural Circuit Activation in Freely Behaving Animals
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Cited by 7 •
2009
Non-invasive measurements of neural activity patterns in freely behaving animals are obtained by combining neurophysiological recordings with high speed videography.
01:25
Neural Circuits
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2025
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support. Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
08:52
Assaying Circuit Specific Regulation of Adult Hippocampal Neural Precursor Cells
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Cited by 6 •
2019
The goal of this protocol is to describe an approach for analyzing behavior of adult neural stem/progenitor cells in response to chemogenetic manipulation of a specific local neural circuit.
09:11
Revealing Neural Circuit Topography in Multi-Color
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Cited by 6 •
2011
We provide a practical guide for delivering tracers in vivo and use the spinocerebellar pathway as a model system to demonstrate essential steps for successful neuronal circuit analysis in mice. We describe in detail our versatile tracing protocol that exploits wheat germ agglutinin (WGA) conjugated to Alexa fluorophores.
01:47
Neural Regulation
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2026
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food. The cephalic phase is a conditioned or learned response to familiar foods. Our appetite or desire for a particular food modifies the preparatory responses directed by the brain. Individuals may produce more saliva and stomach...
FAQs
Excitatory transmission promotes neuronal firing, whereas inhibitory transmission restrains it. Their relative strength helps determine whether a circuit remains responsive, becomes highly active, or suppresses incoming signals. Regulation of this balance is therefore important for controlling firing patterns and information flow, and disruption can contribute to neurological or psychiatric disorders.
Neuromodulators alter how neurons and synapses respond rather than simply carrying a single fast signal. By changing neuronal firing or synaptic strength, they can adjust circuit operation as conditions change. This flexible control supports functions such as sensory processing, learning, memory, movement, and homeostasis across different neural contexts.
Feedback pathways allow activity within a circuit to influence subsequent activity in the same network. Depending on how the pathway interacts with excitation, inhibition, and neuromodulation, feedback can stabilize patterns, reinforce selected signals, or reshape ongoing responses. These adjustments help circuits coordinate activity instead of operating as isolated chains of transmission.
Synaptic plasticity changes the strength of connections between neurons, allowing repeated or behaviorally relevant activity to modify future circuit responses. Such changes can support learning and memory by reshaping how information moves through a network. When plasticity is disrupted, the resulting circuit alterations may contribute to neurological or psychiatric disease processes.
Researchers examine how coordinated changes in neuronal firing, synaptic strength, and connectivity relate to functions such as sensation, movement, learning, memory, and homeostasis. Linking these circuit-level changes with behavior helps explain how complex actions emerge from network activity, rather than from the operation of individual neurons alone.
Examining excitation and inhibition can identify how abnormal synaptic transmission may disturb information flow and activity patterns. Researchers can then relate those circuit disruptions to altered plasticity, connectivity, or behavior. This perspective helps connect cellular and synaptic changes with broader neurological and psychiatric disorder mechanisms without treating symptoms as isolated events.