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Titolo:
Conditional transitions in gaze dynamics: role of vestibular nuclei in eye-only and eye/head gaze behaviors
Autore:
McCollum, G; Boyle, R;
Indirizzi:
Legacy Clin Res & Technol Ctr, Portland, OR 97232 USA Legacy Clin Res & Technol Ctr Portland OR USA 97232 ortland, OR 97232 USA NASA, Ames Res Ctr, Ctr Bioinformat, Moffett Field, CA 94035 USA NASA Moffett Field CA USA 94035 Bioinformat, Moffett Field, CA 94035 USA
Titolo Testata:
BIOLOGICAL CYBERNETICS
fascicolo: 6, volume: 85, anno: 2001,
pagine: 423 - 436
SICI:
0340-1200(200112)85:6<423:CTIGDR>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
HORIZONTAL VESTIBULOOCULAR REFLEX; MOVEMENT RELATED NEURONS; SQUIRREL-MONKEY; HEAD MOVEMENTS; PHYSIOLOGICAL-CHARACTERISTICS; FIRING BEHAVIOR; VOLUNTARY EYE; COORDINATION; OCULOMOTOR; SPACE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
47
Recensione:
Indirizzi per estratti:
Indirizzo: McCollum, G Legacy Clin Res & Technol Ctr, Suite 303,1225 NE 2nd Ave, Portland, OR 97232 USA Legacy Clin Res & Technol Ctr Suite 303,1225 NE 2nd Ave Portland OR USA 97232
Citazione:
G. McCollum e R. Boyle, "Conditional transitions in gaze dynamics: role of vestibular nuclei in eye-only and eye/head gaze behaviors", BIOL CYBERN, 85(6), 2001, pp. 423-436

Abstract

The gaze control system governs distinct gaze behaviors, including visual fixation and gaze reorientations. Transitions between these gaze behaviors are frequent and smooth in healthy individuals. This study models these gaze-behavior transitions for different numbers of gaze degrees of freedom. Eye/head gaze behaviors have twice the number of degrees of freedom as eye-only gaze behaviors. Each gaze behavior is observable in the system dynamics and is correlated with neuronal behaviors in several, coordinated neural centers, including the vestibular nuclei. The coordination among the neural centers establishes a sensorimotor state which maintains each gaze behavior. This study develops a mathematical framework for synthesizing the coordination among neural centers in gaze sensorimotor states and focuses on the role of vestibular nuclei neurons in gaze sensorimotor state transitions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/09/20 alle ore 20:05:18