Linked Life Data

1211484

Source:http://linkedlifedata.com/resource/pubmed/id/1211484

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
1976-3-20
pubmed:abstractText
The central gray matter of the bat midbrain, when electrically stimulated, causes the animal to produce a string of species-specific biosonar cries. Changes in this response with progressive cooling were studied in tropical homeothermic bats and in temperate hibernating bats. The species of hibernators chosen often move between hibernacula in the winter, flying and echolocating at low body temperatures (Tb). It was found that the midbrain "sonar center" exhibits a differential response to cooling that depends on the thermal propensities of the animal and its natural environment. Tropical bats followed a Q10 similar to that reported for other nonhibernating mammals and ceased responding at Tb 14-15 degrees C. Temperate zone-hibernating bat brains showed a relative insensitivity to temperature change and still responded at Tb 4-5 degrees C. Individual sonar cries within a string showed that duration was correlated with temperature but amplitude was unaffected. The study provides data for the functional separation of some parameters of biosonar and gives further evidence for differential nervous function in eurythermal versus stenothermal animals.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0002-9513
pubmed:author
pubmed:issnType
Print
pubmed:volume
229
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1526-31
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1975
pubmed:articleTitle
Responses to cold in the midbrain sonar center of hibernating and tropical bats.
pubmed:publicationType
Journal Article, Comparative Study