Abstract：
:Eighty-three normal, right-handed children performed unimanual finger tapping recitation of a tongue twister, and both tasks concurrently. Trade-offs in dual-task performance were measured as the priority assigned to each task was manipulated. Irrespective of task priority, speaking interfered to a greater degree with right-hand tapping than with left-hand tapping, but the effect of tapping upon verbal production and speech errors was not lateralized. The asymmetric effect of speech upon tapping, which was seen in 85.5% of the children, cannot be attributed to the disparity between hands in baseline tapping rate. The findings suggest that time-sharing asymmetry reflects cerebral lateralization of speech, but only some of the results would be predicted on the basis of a functional distance principle of cerebral organization.
journal_name
Brain Cognjournal_title
Brain and cognitionauthors
Hiscock Mdoi
10.1016/0278-2626(82)90010-0subject
Has Abstractpub_date
1982-01-01 00:00:00pages
119-31issue
1eissn
0278-2626issn
1090-2147pii
0278-2626(82)90010-0journal_volume
1pub_type
杂志文章abstract：:We examined a categorical dissociation hypothesis of category-specific agnosia using hierarchical regression to predict the naming responses of three agnosia patients while controlling a wide variety of perceptual and conceptual between-category differences. The living-nonliving distinction remained a significant pred...
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pub_type： 杂志文章
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更新日期：2000-03-01 00:00:00
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pub_type： 杂志文章
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journal_title：Brain and cognition
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pub_type： 杂志文章
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pub_type： 临床试验,杂志文章
doi：
更新日期：2002-07-01 00:00:00
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pub_type： 杂志文章
doi：
更新日期：2002-03-01 00:00:00
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journal_title：Brain and cognition
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更新日期：2000-06-01 00:00:00
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