Detail Visual detectability gradients: The effect of distractors in contralateral field   Oleh:  Efron, R. ; Yund, E.W. ; Nichols, D.R. Jenis: Article from Bulletin/Magazine Dalam koleksi: Brain and Cognition vol. 12 no. 1 (Jan. 1990), page 128-143. Ketersediaan Perpustakaan PKBB Nomor Panggil: 405/BAC/12 Non-tandon: tidak ada Tandon: 1  Lihat Detail Induk Isi artikel A number of studies involving recognition of tachistoscopically presented words have reported that the typical right visual field performance superiority associated with linguistic stimuli is enhanced by bilateral presentations (simultaneous stimuli in both visual half-fields) compared to unilateral presentations (stimuli in only one half-field on a trial). 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. In the present experiment we attempted to exploit these operating characteristics to influence this difference between unilateral and bilateral presentations. The results not only are consistent with the assumptions of the scanning hypothesis but they also provide new information pertinent to the operating characteristics of this mechanism. @ 1990 Academic Press. Inc Opini Anda Klik untuk menuliskan opini Anda tentang koleksi ini! Kembali

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