Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1991-5-16
pubmed:abstractText
It has been shown that noradrenaline (NA) is an important regulator of normal regressive processes occurring during synaptogenesis such as cell death, axonal pruning and synaptic elimination. The present study was designed to investigate whether enhanced NA release induced by chronic yohimbine administration early in life may alter in the rat the normal pattern of functional interhemispheric connections of the visual cortex. Yohimbine administration to rats between days 5 and 16 of postnatal life (2.5 mg/kg, IP, daily) resulted in changes in the pattern of transcallosal responses evoked in the visual cortex, characterized by a reduction in the peak-to-peak amplitude as well as a reduction of the extent of projecting fields of maximal activity, when examined at 30-35 days following termination of the drug treatment regimen. The results indicate that yohimbine treatment early in life induces functional alterations in the interhemispheric connectivity of the visual areas, probably by disrupting the normal trophic role of NA during synaptogenesis.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0361-9230
pubmed:author
pubmed:issnType
Print
pubmed:volume
26
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
259-63
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1991
pubmed:articleTitle
Yohimbine early in life alters functional properties of interhemispheric connections of rat visual cortex.
pubmed:affiliation
Institute of Nutrition and Food Technology, University of Chile, Santiago.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't