Results 171 to 180 of about 28,804 (224)
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Visual Cognition, 1998
Two experiments were performed to explore a possible visuomotor priming effect. The participants were instructed to fixate a cross on a computer screen and to respond, when the cross changed colour (“go” signal), by grasping one of two objects with their right hand.
CRAIGHERO, Laila +3 more
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Two experiments were performed to explore a possible visuomotor priming effect. The participants were instructed to fixate a cross on a computer screen and to respond, when the cross changed colour (“go” signal), by grasping one of two objects with their right hand.
CRAIGHERO, Laila +3 more
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Brain, 1977
Visuomotor ataxia is a disorder of movement performed under visual control. It can occur in the absence of disturbance of ocular fixation and in the absence of spatial agnosia. This disorder may extend over the whole visual field or it may be localized to one visual half-field, right or left.
P, Rondot, J, de Recondo, J L, Dumas
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Visuomotor ataxia is a disorder of movement performed under visual control. It can occur in the absence of disturbance of ocular fixation and in the absence of spatial agnosia. This disorder may extend over the whole visual field or it may be localized to one visual half-field, right or left.
P, Rondot, J, de Recondo, J L, Dumas
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Effect of visuomotor-map uncertainty on visuomotor adaptation
Journal of Neurophysiology, 2012Vision and proprioception contribute to generating hand movement. If a conflict between the visual and proprioceptive feedback of hand position is given, reaching movement is disturbed initially but recovers after training. Although previous studies have predominantly investigated the adaptive change in the motor output, it is unclear whether the ...
Naoki, Saijo, Hiroaki, Gomi
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Bioinspired Visuomotor Convergence
IEEE Transactions on Robotics, 2010In this paper, wide-field integration methods, which are inspired by the spatial decompositions of wide-field patterns of optic flow in the insect visuomotor system, are explored as an efficient means to extract visual cues for guidance and navigation.
James Sean Humbert +1 more
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Body-Centered Visuomotor Adaptation
Journal of Neurophysiology, 2004Previous research has shown that humans generalize distortions of visuomotor feedback in terms of egocentric rotations. We examined whether these rotations are linked to the orientation of the eyes or of the shoulder of the arm that was used. Subjects moved a hand-held cube between target locations in a sequence of adaptation and test phases.
van den Dobbelsteen, John +2 more
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Visuomotor regulation of locomotion
Canadian Journal of Physiology and Pharmacology, 1996Vision is obviously important for the control of goal-directed locomotion. This profound influence can be best revealed by interfering with the visual pathways or by altering the visual inputs normally expected to occur during locomotion. For instance, the use of reversed optic flow or reversing prisms can induce significant locomotor changes or lead ...
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Visuomotor coordination in locomotion
Current Opinion in Neurobiology, 1991This article reviews the recent literature concerning the role of visual information in the control of locomotion with an emphasis on the neurophysiological mechanisms that underlie visually triggered, voluntary, gait modifications. Data are presented to show how these gait modifications may be encoded by the motor cortex, and how they may interact ...
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Visuomotor Behavior in Schizophrenia
Pharmacopsychiatry, 1989The diagnosis of "positive" schizophrenia relies heavily on reported symptoms. Behavioral signs, however, play an important role in "negative" schizophrenia. Their advantage is that they can be assessed objectively and quantitatively. Thus, their measurement can improve both the precision of the diagnostic process and the phenomenological basis of ...
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Behavioral and Brain Sciences, 2008
AbstractAccurate perception of moving objects would be useful; accurate visually guided action is crucial. Visual motion across the scene influences perceived object location and the trajectory of reaching movements to objects. In this commentary, I propose that the visual system assigns the position of any object based on the predominant motion ...
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AbstractAccurate perception of moving objects would be useful; accurate visually guided action is crucial. Visual motion across the scene influences perceived object location and the trajectory of reaching movements to objects. In this commentary, I propose that the visual system assigns the position of any object based on the predominant motion ...
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The athletes’ visuomotor system – Cortical processes contributing to faster visuomotor reactions
European Journal of Sport Science, 2018AbstractMany sports require athletes to rapidly transform visual information into a targeted motor response, a process referred to as visuomotor reaction. On the behavioural level, athletes have long been established to achieve faster simple visuomotor reaction times when compared to non‐athletes.
Thorben, Hülsdünker +2 more
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