Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats.

Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats. Research Abstract Details 

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Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats. Abstract Text:

G R Farley,

The ventrolateral (VL) thalamus in mammals is a site well-situated to show vocalization-related neural activity if there is general or classical motor system involvement in vocal production. It receives input from both the basal ganglia and cerebellum, and forms reciprocal connections with motor cortical areas. The current study examined the activity in cat VL thalamus neurons during instrumentally conditioned vocalization. Units in our sample showed irregular spontaneous firing which could be modulated by slowly occurring fluctuations in intensity of vocalization task performance. Two main types of behavioral events were associated with changes in neural firing rate. The first of these was the ingestion of food reward. More than half of all recordings showed phasic bursting patterns during licking; a similar number had increases in firing preparatory to this phasic activity. The second behavioral event modulating unit responses was vocalization. Approximately 60% of recordings showed activity changes time-locked to vocalization. These responses were almost always excitatory, and often involved changes in firing that preceded vocalization onset. No spatial organization of differences in firing pattern between neurons could be distinguished. Our results suggest that VL thalamus may well be involved in mediating vocal behavior, although its functional role remains an object of speculation. Results are compared with previous studies of vocalization-related activity and of VL thalamus activity.

Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats. Publishing Authors By Initials

GR Farley,

For similar behavior and behavior mechanisms: behavior: behavior, animal: animal communication: vocalization, animal research abstracts see: behavior and behavior mechanisms: behavior: behavior, animal: animal communication: vocalization, animal research

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Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 115

Page Numbers: 493-506

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ISSN: 0014-4819

DAY: 15

MONTH: Jul

YEAR: 1997

Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats. Information

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LANGUAGE: eng

NlmUniqueID: 43312

Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats. Keywords Mesh Terms:

KEYWORDS: Vocalization, Animal

MESH TERMS: physiology

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Grant and Affiliation Information for Neural firing in ventrolateral thalamic nucleus during conditioned vocal behavior in cats.

AFFILIATION: Research Division, Boys Town National Research Hospital, Omaha, NE 68131, USA. farley@boystown.org

Country: GERMANY

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MEDLINETA: Exp Brain Res

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