Related Experiment Video
Updated: Jun 23, 2026

10:08
Homochronic Transplantation of Interneuron Precursors into Early Postnatal Mouse Brains
Published on: June 8, 2018
The developmental integration of cortical interneurons into a functional network
Renata Batista-Brito1, Gord Fishell
1Smilow Neuroscience Program, New York University Medical Center, New York, USA.
Current Topics in Developmental Biology
|May 12, 2009
Summary
This review surveys how cortical interneuron subtypes develop, from origin to network integration. Understanding interneuron generation is crucial for addressing developmental disorders affecting brain circuits.
Area of Science:
- Neuroscience
- Developmental Biology
- Cell Biology
Background:
- Cortical interneurons exhibit significant diversity.
- Understanding the generation of this diversity is key to understanding brain function.
Purpose of the Study:
- To survey current knowledge on cortical interneuron subtype generation.
- To define interneuron subtype diversity and its developmental basis.
Main Methods:
- Review of developmental events from interneuron origin to network integration.
- Analysis of mature interneuron properties and classification challenges.
Main Results:
- Interneuron diversity arises from progressive developmental events.
- Specification occurs in the subpallium, followed by migration and integration.
- Challenges exist in definitively classifying interneuron subtypes.
Conclusions:
- Developmental failures in interneuron circuit formation have severe consequences.
- Further research into interneuron generation is critical for understanding neurological disorders.
Related Concept Videos
Integration of Synaptic Events
Synaptic integration mainly includes the summation of graded potentials. Graded potentials, regardless of their type, cause subtle alterations in membrane voltage, resulting in either depolarization or hyperpolarization. These incremental changes, when combined or summed, can propel the neuron toward its threshold. Consider, for example, a membrane experiencing a +15 mV shift, causing it to depolarize from -70 mV to -55 mV. In this scenario, graded potentials govern the membrane's ability to...
Neural Circuits
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...
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...
The Role of Ion Channels in Neuronal Computation
A postsynaptic neuron usually receives numerous impulses from several other presynaptic neurons. The axon hillock of the postsynaptic neuron integrates all these signals and determines the likelihood of firing an action potential.
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential.
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential.
Somatosensory, Motor, and Association Cortex
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...
Neuroplasticity
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
Neurons as Communicators of the Brain
Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Cell Body
The cell body, also known...

