Neurobiological Mechanisms
Neurobiological Mechanisms - Related Videos
09:24
An Introduction to Developmental Neurobiology
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2023
Developmental neuroscience is a field that explores how the nervous system is formed, from early embryonic stages through adulthood. Although it is known that neural progenitor cells follow predictable stages of proliferation, differentiation, migration, and maturation, the mechanisms controlling the progression through each stage are incompletely understood. Studying development is not only important for understanding how complex structures are assembled, but also for characterizing and...
07:59
Using a Comparative Species Approach to Investigate the Neurobiology of Paternal Responses
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Cited by 2 •
2011
The comparative species approach allows behavioral neuroscientists to explore various neurobiological factors associated with specific behaviors viewed as characteristic of a specific animal model. Taking advantage of naturally occurring differences in behavior between closely related species, this technique doesn’t require invasive techniques to manipulate the expression of the behavior.
07:46
Using the Activity-based Anorexia Rodent Model to Study the Neurobiological Basis of Anorexia Nervosa
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Cited by 42 •
2015
Here we present a protocol to induce activity-based anorexia (ABA) in female adolescent mice. ABA is a condition of hyperactivity evoked by imposing food restriction on rodents with access to a running wheel. This phenomenon is being used as a model to study the underlying neurobiology of anorexia nervosa.
03:54
Zebrafish Brain Dissection: A Technique of Fish Neurobiology
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2023
This video describes the technique of microdissection of the brain from an adult zebrafish. This method helps in obtaining whole brain derived neuorospheres that can be studied further.
03:49
Drosophila Adult Brain Dissection: A Method in Fly Neurobiology
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2023
This video describes how to dissect and isolate the adult Drosophila brain–a procedure necessary for visualizing the organ, which is otherwise obscured by the cuticle, eye, and tracheal tissue. The example protocol shows a detailed demonstration yielding high-quality preparations that can be used for immunostaining and imaging methods in Drosophila neurobiology.
FAQs
Ion channels help regulate the electrical impulses that carry information through neural systems. Their activity contributes to how neurons generate and transmit signals, while chemical transmission helps pass information between cells. Because these electrical and chemical processes operate together, changes in channel activity can influence communication across neural circuits and ultimately affect behavior.
These components support communication at different levels. Synapses provide points where neural cells exchange information, neurotransmitters carry chemical signals across those junctions, and glial cells participate in the cellular environment surrounding neurons. Their coordinated activity helps maintain effective information flow through circuits involved in perception, learning, memory, emotion, and motor control.
Signaling pathways connect molecular events inside neural cells with broader changes in nervous-system function. Through these coordinated processes, neural systems can adapt rather than simply transmit fixed signals. Studying them helps explain how cellular activity relates to learning and memory and can identify points where altered signaling contributes to neurological or psychiatric disorders.
Disruption at the level of neurons, glial cells, synapses, neurotransmitters, ion channels, or signaling pathways can interfere with information flow across neural circuits. Because those circuits support perception, learning, memory, emotion, and motor control, altered cellular or molecular activity may contribute to changes in these functions and to neurological or psychiatric disorders.
A mechanistic approach follows coordinated activity from cellular and molecular processes through electrical and chemical communication, neural circuits, and observable functions. This framework links changes in neurons, glia, synapses, neurotransmitters, ion channels, or signaling pathways to outcomes such as perception, learning, memory, emotion, and motor control, rather than treating behavior as an isolated phenomenon.
Mechanistic studies can reveal how normal neural function is organized and how it changes in disease. The resulting understanding may support the identification of biomarkers, which indicate relevant biological states, and therapeutic targets that can be modified. These findings also inform interventions intended to alter neural function and improve brain health.
They provide a scientific link between disrupted nervous-system processes and the symptoms or functional changes associated with neurological and psychiatric disorders. By examining communication, adaptation, and signaling across neural components, researchers can move from describing a disorder toward identifying measurable biomarkers, potential therapeutic targets, and interventions designed to modify neural function.