Differential effects of covert and overt orienting on microsaccade rate
نویسندگان
چکیده
منابع مشابه
Overt Responses during Covert Orienting
A distributed network of cortical and subcortical brain areas controls our oculomotor behavior. This network includes the superior colliculus (SC), which coordinates an ancient visual grasp reflex via outputs that ramify widely within the brainstem and spinal cord, accessing saccadic and other premotor and autonomic circuits. In this Review, we discuss recent results correlating subliminal SC a...
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15 صفحه اولThe effects of covert and overt modeling on assertive behavior.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . INTRODUCTION' . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 METHOD .© . . . e e . . . .. 0 o a . . . a o . . . . . . 0 . 0 e o o o 5 Subjects . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Treatment Procedures . . . . . . . . . . . . . . . 5 Self-Report Measures . ......... 8 Behavioral Measures „ . . . . . . . . . . . ....
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We compared effects of covert spatial-attention shifts induced with exogenous or endogenous cues on microsaccade rate and direction. Separate and dissociated effects were obtained in rate and direction measures. Display changes caused microsaccade rate inhibition, followed by sustained rate enhancement. Effects on microsaccade direction were differentially tied to cue class (exogenous vs. endog...
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The cognitive act of shifting attention from one place in the visual field to another can be accomplished covertly without muscular changes. The act can be viewed in terms of three internal mental operations: disengagement of attention from its current focus, moving attention to the target, and engagement of the target. Our results show that damage to the parietal lobe produces a deficit in the...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2014
ISSN: 1534-7362
DOI: 10.1167/14.10.641