Browsing by Author "Nebes, RD"

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    Aging and the development of automaticity in visual search
    (Developmental Psychology, 1980-09-01) Madden, DJ; Nebes, RD
    The rate of short-term memory search has previously been reported to be slower for older individuals than for college-age Ss (F. I. Craik, 1977). Current research has suggested that after extensive practice with the same population of stimuli, performance in memory-search and visual-search tasks can become "automatic," or independent of memory load. The present experiment examined age differences in the development of automatic processing in a hybrid memory-search/visual-search paradigm; 8 young (18-25 yrs old) and 8 older (61-74 yrs old) Ss participated. Although older Ss demonstrated a significantly slower rate of search, the 2 age groups shifted toward automatic processing, over practice, at equivalent rates. The slower rate of search thus represents an age-related increase in the time required to compare the memory-set items against those in a visual array, rather than a change in the mode of processing available. (20 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1980 American Psychological Association.
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    Autobiographical memory across the lifespan
    (1986) Rubin, DC; Wetzler, SE; Nebes, RD
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    Hemispheric differences in memory search.
    (Neuropsychologia, 1980-01) Madden, DJ; Nebes, RD
    Recent evidence suggests that memory demands contribute to visual field (VF) differences in tachistoscopic recognition. The present experiment examined VF differences in a memory-search paradigm using verbal stimuli (digits). The results demonstrated a significant advantage to right VF-left hemisphere presentation that was associated with the memory comparison stage of the task, but not with the perceptual encoding and response stages. These data are more consistent with a relative efficiency model of hemispheric specialization than with a functional localization model. © 1980.
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    Lateral symmetry of auditory attention in hemispherectomized patients.
    (Neuropsychologia, 1981-01) Nebes, RD; Madden, DJ; Berg, WD
    Single digits were monaurally presented in a random order to the right and left ears of hemispherectomized patients. Vocal identification time was found to be equivalent for the two ears. This result does not support the existence of a massive lateral shift of attention in these patients. It is thus unlikely that the large ear difference typically found with dichotic presentation in hemispherectomized patients is due to an asymmetrical distribution of auditory attention. © 1981.