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Titolo:
MOTOR AND PREMOTOR MECHANISMS OF LICKING
Autore:
TRAVERS JB; DINARDO LA; KARIMNAMAZI H;
Indirizzi:
OHIO STATE UNIV,DEPT PSYCHOL,COLL DENT,305 W 12TH AVE COLUMBUS OH 43210
Titolo Testata:
Neuroscience and biobehavioral reviews
fascicolo: 5, volume: 21, anno: 1997,
pagine: 631 - 647
SICI:
0149-7634(1997)21:5<631:MAPMOL>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
RHYTHMICAL JAW MOVEMENTS; PARVOCELLULAR RETICULAR-FORMATION; CEREBELLAR INTERPOSITUS NUCLEUS; HYPOGLOSSAL NEURAL ACTIVITY; CENTRAL PATTERN GENERATOR; FOS-LIKE IMMUNOREACTIVITY; ANESTHETIZED GUINEA-PIG; SOLITARY TRACT; BRAIN-STEM; TONGUE MOVEMENTS;
Keywords:
INGESTION; CENTRAL PATTERN GENERATION; SENSORIMOTOR; DRINKING;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
129
Recensione:
Indirizzi per estratti:
Citazione:
J.B. Travers et al., "MOTOR AND PREMOTOR MECHANISMS OF LICKING", Neuroscience and biobehavioral reviews, 21(5), 1997, pp. 631-647

Abstract

The location, organization and anatomical connections of a central pattern generator (CPG) for licking are discussed. Anatomical and physiological studies suggest a brainstem location distributed within several subdivisions of the medullary reticular formation (RF). The involvement of widespread RF regions is evident from brainstem recording experiments in awake freely moving preparations and studies employing electrical stimulation of the frontal cortex to produce ororhythmic activity. The complex multifunctional properties of RF neurons producing licking are indicated by their activity during licking, swallowing and therejection of an aversive gustatory stimulus. Anatomical studies placedescending inputs to a brainstem CPG for licking to widely distributed areas of both the medial and lateral RF. In contrast, most projections originating from brainstem orosensory nuclei terminate primarily within the lateral RF. Because many pre-oromotor neurons appear concentrated largely in the intermediate zone of the RF (IRt), it is hypothesized that neurons from both lateral and medial sites converge within the IRt to control oromotor function. (C) 1997 Elsevier Science Ltd.

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Documento generato il 06/04/20 alle ore 08:51:08