we have reported the same phenomenon , however , using visual spatial patterns in a search paradigm ( e. w. yund , r. efron , & d. r. nichols , 1990c . brain and cognition , 12 , 117-127 ) and have accounted for it in terms of the operating characteristics of a visual scanning mechanism which serially examines a decaying neural representation of the stimuli .
C0006104
brain
C0009240
cognition