منابع مشابه
Human frontal eye fields and visual search.
Recent physiological recording studies in monkeys have suggested that the frontal eye fields (FEFs) are involved in visual scene analysis even when eye movement commands are not required. We examined this proposed function of the human frontal eye fields during performance of visual search tasks in which difficulty was matched and eye movements were neither necessary nor required. Magnetic stim...
متن کاملDissociating the contributions of human frontal eye fields and posterior parietal cortex to visual search.
Imaging, lesion, and transcranial magnetic stimulation (TMS) studies have implicated a number of regions of the brain in searching for a target defined by a combination of attributes. The necessity of both frontal eye fields (FEF) and posterior parietal cortex (PPC) in task performance has been shown by the application of TMS over these regions. The effects of stimulation over these two areas h...
متن کاملThe involvement of posterior parietal cortex and frontal eye fields in spatially primed visual search.
BACKGROUND Right posterior parietal cortex (rPPC) and frontal eye fields (FEF) are known to be involved in processing visuospatial attention. However, the functional involvement of these areas in spatial priming in complex conjunction visual search has yet to be determined. OBJECTIVE This study aimed to examine the roles of rPPC and bilateral FEF in conjunction search when spatial ambiguity w...
متن کاملFrontal Eye Fields
FEF is innervated by nuclei in the thalamus bordering the internal medullary lamina, mainly the lateral part of the mediodorsal nucleus and the medial part of the ventroanterior nucleus. The thalamic zones most heavily connected with FEF are themselves innervated by oculomotor afferents from the intermediate layer of the superior colliculus, the substantia nigra pars reticulate, and the dentate...
متن کاملDissociating the contributions of human frontal eye fields and 2 posterior parietal cortex to visual search 3 4
26 27 Imaging, lesion and transcranial magnetic stimulation (TMS) studies have implicated a 28 number of regions of the brain in searching for a target defined by a combination of 29 attributes. The necessity of both frontal eye fields and posterior parietal cortex in task 30 performance has been shown by the application of TMS over these regions. The effects of 31 stimulation over these two ar...
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ژورنال
عنوان ژورنال: Journal of Neurophysiology
سال: 2003
ISSN: 0022-3077,1522-1598
DOI: 10.1152/jn.01086.2002