RAPID HABITUATION OF AUDITORY RESPONSES OF LOCUS-COERULEUS CELLS IN ANESTHETIZED AND AWAKE RATS

被引:49
作者
HERVEMINVIELLE, A [1 ]
SARA, SJ [1 ]
机构
[1] UNIV PARIS 06,INST NEUROSCI,CNRS,ATIPE COGNISCI,F-75005 PARIS,FRANCE
关键词
LOCUS COERULEUS; HABITUATION; AUDITORY RESPONSE; ANESTHETIZED AND AWAKE RAT;
D O I
10.1097/00001756-199507100-00001
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
THE auditory response of locus coeruleus (LC) neurones evoked by novel tones was investigated in anaesthetized and awake rats. Recording the single unit activity of LC neurones, responses to auditory stimuli are found under anaesthesia as well as in the awake animal. There are three types of LC responses to tone: first and by far the most frequent, a burst of several spikes at onset of the tone; second, a burst at tone offset and lastly, a total inhibition to the tone. All responses present a rapid habituation after the first few presentations of the stimulus. The results support the view that the LC plays a role in mediating responses to environmental changes.
引用
收藏
页码:1363 / 1368
页数:6
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