The magic number four and temporo-parietal damage : neurological impairments in counting targets amongst distractors
Watson, Derrick G. and Humphreys, Glyn W.. (1999) The magic number four and temporo-parietal damage : neurological impairments in counting targets amongst distractors. Cognitive Neuropsychology, Vol.16 (No.7). pp. 609-629. ISSN 0264-3294Full text not available from this repository.
Official URL: http://dx.doi.org/10.1080/026432999380663
Three experiments assessed visual search and target enumeration performance in a patient (DW) with damage to the right temporo-parietal region. DW was extremely accurate in single feature and conjunction visual search tasks. In enumeration tasks in which there were no distracters DW was also extremely accurate, showed a normal subitisation-counting function, and could use global shape as a guide to numerosity. However, enumeration of targets amongst distracters was only accurate for up to three or four items, after which performance decreased rapidly. The results are discussed in relation to recent theories of enumeration.
|Item Type:||Journal Article|
|Subjects:||B Philosophy. Psychology. Religion > BF Psychology
Q Science > QA Mathematics
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
|Divisions:||Faculty of Science > Psychology|
|Library of Congress Subject Headings (LCSH):||Parietal lobes, Number concept, Counting, Lists, Neuropsychology, Cognitive neuroscience|
|Journal or Publication Title:||Cognitive Neuropsychology|
|Official Date:||October 1999|
|Number of Pages:||21|
|Page Range:||pp. 609-629|
|Funder:||Medical Research Council (Great Britain) (MRC), European Union (EU)|
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