Related Experiment Video
Updated: Feb 4, 2026
11:24
A 3-D Tail Explant Culture to Study Vertebrate Segmentation in Zebrafish
Published on: June 30, 2021
4.6K
Principles Governing Locomotion in Vertebrates: Lessons From Zebrafish
Eva M Berg1, E Rebecka Björnfors1, Irene Pallucchi1
1Department of Neuroscience, Karolinska Institute (KI), Stockholm, Sweden.
Frontiers in Neural Circuits
|October 2, 2018
Summary
Zebrafish locomotion relies on complex neural circuits in the brain and spinal cord. This review details how these circuits control swimming and escape behaviors, integrating sensory input and neuromodulators for flexible movement.
Area of Science:
- Neuroscience
- Comparative Biology
- Animal Behavior
Background:
- Locomotion is essential for animal survival, involving intricate neural control.
- Vertebrate locomotor circuits have been studied for over a century.
- Zebrafish are a key model organism for studying neural control of movement due to experimental advantages.
Purpose of the Study:
- To review the neural circuits controlling swimming and escape behaviors in zebrafish.
- To provide a framework for understanding zebrafish locomotion control.
- To highlight recent advances in the field.
Main Methods:
- Literature review of studies on zebrafish locomotion.
- Analysis of neural circuit mechanisms.
- Examination of developmental and modulatory influences.
Main Results:
- Detailed understanding of premotor excitatory interneuron (IN) and motoneuron (MN) interactions.
- Insights into supraspinal and spinal circuits coordinating escape maneuvers.
- Comprehension of developmental changes in locomotor circuit composition.
Conclusions:
- Neuromodulators and sensory inputs provide flexibility in zebrafish locomotion.
- Zebrafish neural circuits enable adaptable transitions between different speeds and modes of movement.
- This review consolidates current knowledge on zebrafish locomotor circuitry.
Related Concept Videos
01:16Physical Principles Governing Gas Exchange
3.8K
Gas behavior plays a vital role in understanding bodily processes such as external and internal respiration. External respiration involves the diffusion of oxygen into the blood and carbon dioxide out of it in the lungs. In contrast, internal respiration happens in body tissues, where these gases move in opposite directions.
Gas Laws Governing Respiration
The behavior of gases is guided by Dalton's Law of partial pressures and Henry's Law.
Dalton's Law asserts that the total...
Gas Laws Governing Respiration
The behavior of gases is guided by Dalton's Law of partial pressures and Henry's Law.
Dalton's Law asserts that the total...
3.8K
04:08The Uncertainty Principle
31.9K
Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He...
31.9K
01:49Hardy-Weinberg Principle
76.4K
Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.
76.4K
03:06The Pauli Exclusion Principle
59.4K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
59.4K
01:27Muscles of the Vertebral Column
3.3K
The back muscles that lie deep into the thoracolumbar fascia are called intrinsic or true back muscles. These muscles are divided into four layers: superficial, intermediate, deep, and deepest layers.
Superficial Layer:
The superficial layer consists primarily of the splenius muscles, which include the splenius capitis and splenius cervicis. These muscles are mainly responsible for the head and cervical spine movements, including extension, rotation, and lateral bending. The splenius capitis...
Superficial Layer:
The superficial layer consists primarily of the splenius muscles, which include the splenius capitis and splenius cervicis. These muscles are mainly responsible for the head and cervical spine movements, including extension, rotation, and lateral bending. The splenius capitis...
3.3K
01:28Articulations of the Vertebral Column
3.1K
In addition to being held together by the intervertebral discs, adjacent vertebrae also articulate with each other at synovial joints formed between the superior and inferior articular processes called zygapophysial joints (facet joints). These are plane joints that provide for only limited motions between the vertebrae. The orientation of the articular processes at these joints varies in different regions of the vertebral column and serves to determine the types of motions available in each...
3.1K