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Reversible mechanical fixation of eye position in awake head-restrained pigeons ( Columba livia)

Here we describe a method to fix gaze positions and to significantly reduce saccadic oscillations in pigeons. The procedure consists of a mechanical immobilization of the eye through the use of an electromagnet that exerts a radial force upon a small metal rectangle glued to the dorsal part of the e...

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Published in:	Journal of neuroscience methods 1999-09, Vol.91 (1), p.67-71
Main Authors:	Letelier, Juan Carlos, Mpodozis, Jorge, Marin, Gonzalo, Morales, Daniver, Henny, Pablo, Madrid, Carlos, Velasco, Marcelo
Format:	Article
Language:	English
Subjects:	Animals Biological and medical sciences Columbidae Eye fixation Eye Movements - physiology Female Fixation, Ocular - physiology Fundamental and applied biological sciences. Psychology Gaze control General aspects. Models. Methods Magnetics Male Neurons - physiology Pigeon Receptive-field Restraint, Physical Saccades Vertebrates: nervous system and sense organs Visual-system Wakefulness - physiology
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creator	Letelier, Juan Carlos Mpodozis, Jorge Marin, Gonzalo Morales, Daniver Henny, Pablo Madrid, Carlos Velasco, Marcelo
description	Here we describe a method to fix gaze positions and to significantly reduce saccadic oscillations in pigeons. The procedure consists of a mechanical immobilization of the eye through the use of an electromagnet that exerts a radial force upon a small metal rectangle glued to the dorsal part of the eye. The method can be used in avian visual neurophysiology in order to hold the eye immobilized for periods of time, long enough to map the properties of visual receptive fields and investigate the possible functions of saccadic oscillations.
doi_str_mv	10.1016/S0165-0270(99)00073-4
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subjects	Animals Biological and medical sciences Columbidae Eye fixation Eye Movements - physiology Female Fixation, Ocular - physiology Fundamental and applied biological sciences. Psychology Gaze control General aspects. Models. Methods Magnetics Male Neurons - physiology Pigeon Receptive-field Restraint, Physical Saccades Vertebrates: nervous system and sense organs Visual-system Wakefulness - physiology
title	Reversible mechanical fixation of eye position in awake head-restrained pigeons ( Columba livia)
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