Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2010-12-28
pubmed:abstractText
Locomotor movements are coordinated by a network of neurons that produces sequential muscle activation. Different motoneurons need to be recruited in an orderly manner to generate movement with appropriate speed and force. However, the mechanisms governing recruitment order have not been fully clarified. Using an in vitro juvenile/adult zebrafish brainstem-spinal cord preparation, we found that motoneurons were organized into four pools with specific topographic locations and were incrementally recruited to produce swimming at different frequencies. The threshold of recruitment was not dictated by the input resistance of motoneurons, but was instead set by a combination of specific biophysical properties and the strength of the synaptic currents. Our results provide insights into the cellular and synaptic computations governing recruitment of motoneurons during locomotion.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
1546-1726
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
14
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
93-9
pubmed:meshHeading
pubmed:year
2011
pubmed:articleTitle
Principles governing recruitment of motoneurons during swimming in zebrafish.
pubmed:affiliation
Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't