Abstract:
:It is well known that precues about the possible locations of upcoming targets reduce the manual reaction time. The present study investigates at which stage of the sensorimotor system such precues act. Several light dots were displayed as a precue; one of them became the target, and subjects had to produce a manual response to the target as fast as possible. Exp. A varied independently the number of precues and the area of space they occupy; we found that the reaction time of pointing movements depended on spatial extent, but not on the number of choices. The outcome was similar in Exp. B, where subjects produced stereotyped 'tapping' movements irrespective of target position. Taken together, both findings support the view that precues act mainly at a stage concerned with the internal representation of space, rather than with response selection or movement preparation. The effects of precues were preserved when subjects fixated throughout the precuing period (Exp. C), but not when precue and target positions were uncorrelated (Exp. D). These findings do not support the alternative interpretations, that precues act by guiding the eyes into the vicinity of targets, or by elevating the subjects' arousal level.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Bock O,Eversheim Udoi
10.1016/s0166-4328(99)00134-5subject
Has Abstractpub_date
2000-02-01 00:00:00pages
85-90issue
1eissn
0166-4328issn
1872-7549pii
S0166-4328(99)00134-5journal_volume
108pub_type
杂志文章abstract::Diabetes mellitus, which causes hyperglycemia, affects the central nervous system and can impairs cognitive functions, such as memory. The aim of this study was to investigate the effects of hyperglycemia on memory as well as on the activity of acethylcholinesterase. Hyperglycemia was induced in adult zebrafish by imm...
journal_title:Behavioural brain research
pub_type: 杂志文章
doi:10.1016/j.bbr.2014.08.033
更新日期:2014-11-01 00:00:00
abstract::The basic functional organization of gerbil auditory cortex was previously mapped with unit recording of best frequency and with the fluoro-2-deoxyglucose mapping (FDG) technique. Among at least seven subfields in this cortex the primary auditory cortex (AI) and the anterior auditory field (AAF) showed prominent tonot...
journal_title:Behavioural brain research
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doi:10.1016/0166-4328(94)00140-b
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
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doi:10.1016/j.bbr.2007.03.001
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journal_title:Behavioural brain research
pub_type: 杂志文章,评审
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更新日期:1996-02-01 00:00:00
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
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doi:10.1016/j.bbr.2011.01.056
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journal_title:Behavioural brain research
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doi:10.1016/j.bbr.2011.05.008
更新日期:2011-10-31 00:00:00
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journal_title:Behavioural brain research
pub_type: 杂志文章,评审
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更新日期:2008-09-01 00:00:00
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journal_title:Behavioural brain research
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doi:10.1016/j.bbr.2016.09.021
更新日期:2017-01-15 00:00:00
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journal_title:Behavioural brain research
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doi:10.1016/j.bbr.2005.07.009
更新日期:2006-01-06 00:00:00
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doi:10.1016/j.bbr.2014.11.022
更新日期:2015-03-15 00:00:00
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journal_title:Behavioural brain research
pub_type: 杂志文章
doi:10.1016/j.bbr.2010.02.045
更新日期:2010-07-29 00:00:00
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journal_title:Behavioural brain research
pub_type: 杂志文章
doi:10.1016/0166-4328(83)90149-3
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
pub_type: 临床试验,杂志文章
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
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更新日期:2012-08-01 00:00:00
abstract::In humans, the Simon effect refers to the fact that choice reaction time (RT) is shorter when the stimulus corresponds spatially to the response than when it does not, albeit the location of the stimulus is irrelevant to the task. This effect has motivated innumerable empirical and theoretical studies and is considere...
journal_title:Behavioural brain research
pub_type: 杂志文章
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journal_title:Behavioural brain research
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更新日期:1988-10-01 00:00:00
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journal_title:Behavioural brain research
pub_type: 杂志文章
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更新日期:2003-09-15 00:00:00
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journal_title:Behavioural brain research
pub_type: 杂志文章,随机对照试验
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更新日期:2013-03-01 00:00:00
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journal_title:Behavioural brain research
pub_type: 杂志文章
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更新日期:1985-11-01 00:00:00
abstract::Air and light pollution contribute to fetal abnormalities, increase prevalence of cancer, metabolic and cardiorespiratory diseases, and central nervous system (CNS) disorders. A component of air pollution, particulate matter, and the phenomenon of dim light at night (dLAN) both result in neuroinflammation, which has b...
journal_title:Behavioural brain research
pub_type: 杂志文章
doi:10.1016/j.bbr.2015.07.033
更新日期:2015-11-01 00:00:00
abstract::Audiogenic seizures (AS) are a rodent model of generalized tonic-clonic seizures, induced in susceptible (S) animals by high intensity (110 dB) acoustic stimulation. Resistant (R) animals do not respond to the sound with any seizure-related behavior, but they display facial automatisms and grooming clusters. Genetic s...
journal_title:Behavioural brain research
pub_type: 杂志文章,评审
doi:10.1016/0166-4328(93)90090-d
更新日期:1993-12-20 00:00:00