Abstract:
:A number of recent studies have shown conflicting evidence as to common or distinct representations between symbolic ordinality and quantity. We investigated this issue through a series of neuropsychological tests in a unique Chinese patient with the left angular gyrus and left supramarginal gyrus lesions. Behavioral experiments revealed that (1) the patient showed Gerstmann syndrome, with minimal anomia and alexia and (2) the patient showed the dissociation among number semantic representations with relatively preserved symbolic quantity knowledge and impaired processing of symbolic order meaning. Together with existing evidence in the literature, results of the current study suggest that there might be two separate cognitive representations of symbolic ordinality and quantity in logographic language according to this dissociation. Most importantly, another merit of this study is that the left angular gyrus and left supramarginal gyrus might be necessary to symbolic ordinality representation.
journal_name
Brain Cognjournal_title
Brain and cognitionauthors
Chen Z,Xu M,Shang D,Peng G,Luo Bdoi
10.1016/j.bandc.2014.04.007subject
Has Abstractpub_date
2014-07-01 00:00:00pages
14-20eissn
0278-2626issn
1090-2147pii
S0278-2626(14)00069-4journal_volume
88pub_type
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journal_title:Brain and cognition
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journal_title:Brain and cognition
pub_type: 传,历史文章,杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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