Subjects judged the elevation (up vs. down, regardless of laterality) of peripheral auditory or
visual targets, following uninformative cues on either side with an intermediate elevation …

In a previous study using positron emission tomography (PET), we demonstrated that
focused attention to a location in the visual field produced increased regional cerebral blood …

In a gap paradigm, healthy adult subjects performed visually triggered saccades to
peripheral targets either with the fixation stimulus remaining on (overlap trials) or going off …

The functional properties and topographic distribution of event-related potential (ERP)
components elicited by visual discrimination of orientation, spatial frequency, spatial …