Abstract：
:Identifying a stimulus as the target for a goal-directed movement involves inhibiting competing responses. Separable inhibitory interconnections bias local competition to ensure only one stimulus is selected and to alter movement initiation. Behavioural evidence of these inhibitory processes comes from the effects of distracters on oculomotor landing positions and saccade latencies. Here, we investigate the relationship between these two sources of inhibition. Targets were presented with or without close and remote distracters. In separate experiments the possible position and identity of the target and distracters were manipulated. In all cases saccade landing position was found to be less affected by the presence of the close distracter when remote distracters were also present. The involuntary increase in the latency of saccade initiation caused by the presence of the remote distracters alters the state of competitive processes involved in selecting the saccade target thus changing its landing position.
journal_name
Exp Brain Resjournal_title
Experimental brain researchauthors
Cruickshank AG,McSorley Edoi
10.1007/s00221-008-1645-9subject
Has Abstractpub_date
2009-03-01 00:00:00pages
467-76issue
3eissn
0014-4819issn
1432-1106journal_volume
193pub_type
杂志文章abstract：:Vision can improve bipedal upright stability during standing and locomotion. However, during locomotion, vision supports additional behaviors such as gait cycle modulation, navigation, and obstacle avoidance. Here, we investigate how the multiple roles of vision are reflected in the dynamics of trunk control as the ne...
journal_title：Experimental brain research
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abstract：:In this study, we examined the relationship between a measure of cerebral lateralization--differences in tympanic temperature (T(Ty))--and questionnaire measures of inattentiveness and hyperactivity in both people and dogs. Theories of cerebral lateralization indicate that cerebral asymmetry may improve attentive beha...
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journal_title：Experimental brain research
pub_type： 杂志文章
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pub_type： 杂志文章,随机对照试验
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更新日期：2000-06-01 00:00:00
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doi：10.1007/BF00227276
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journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s002210050287
更新日期：1998-02-01 00:00:00
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journal_title：Experimental brain research
pub_type： 杂志文章
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更新日期：1986-01-01 00:00:00
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pub_type： 临床试验,杂志文章
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更新日期：2010-04-01 00:00:00
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pub_type： 杂志文章
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更新日期：2006-01-01 00:00:00
abstract：:Seizure susceptibility waxes and wanes in an apparently circadian manner in many epileptic patients. Fluctuations of melatonin concentration with highest levels during the night and lowest levels in the early morning could be involved in this phenomenon. Therefore, the action of melatonin on epileptic activity was tes...
journal_title：Experimental brain research
pub_type： 杂志文章
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更新日期：1995-01-01 00:00:00
