Independence of Speed and Accuracy in Visual Search: Evidence for Separate Mechanisms.

@article{citeulike:1659697, abstract = {Data from two studies that tested children's attention using visual search for a series of targets in a complex display and a sustained-attention task waiting for signals in a similar display were subjected to Factor Analysis to explore previous indications that speed and accuracy (the number of false alarms to nontargets) on this task reflect different mechanisms. The two factors identified confirmed the separation of these two measures and also suggested that the speed factor was related to Mental Age, while the accuracy factor was related to ratings of attentional ability. It is suggested that ratings of attentional ability reflect the efficiency of executive functions, displayed in the ability to inhibit responses to nontargets in these tasks, while speed of search is related to processing speed in the nervous system. Therefore intelligence and attentional ability depend on different underlying features of the nervous system.}, address = {Department of Psychology, Royal Holloway, University of London, Egham, Surrey, United Kingdom.}, author = {Wilding, John and Cornish, Kim }, citeulike-article-id = {1659697}, doi = {10.1080/09297040601160574}, issn = {0929-7049}, journal = {Child Neuropsychol}, keywords = {visual\_search}, month = {February}, pages = {1--12}, posted-at = {2007-09-15 04:25:31}, priority = {2}, title = {Independence of Speed and Accuracy in Visual Search: Evidence for Separate Mechanisms.}, url = {http://dx.doi.org/10.1080/09297040601160574}, year = {2007} }

TY - JOUR ID - citeulike:1659697 L3 - citeulike-article-id:1659697 TI - Independence of Speed and Accuracy in Visual Search: Evidence for Separate Mechanisms. JF - Child Neuropsychol SP - 1 EP - 12 AD - Department of Psychology, Royal Holloway, University of London, Egham, Surrey, United Kingdom. SN - 0929-7049 N2 - Data from two studies that tested children's attention using visual search for a series of targets in a complex display and a sustained-attention task waiting for signals in a similar display were subjected to Factor Analysis to explore previous indications that speed and accuracy (the number of false alarms to nontargets) on this task reflect different mechanisms. The two factors identified confirmed the separation of these two measures and also suggested that the speed factor was related to Mental Age, while the accuracy factor was related to ratings of attentional ability. It is suggested that ratings of attentional ability reflect the efficiency of executive functions, displayed in the ability to inhibit responses to nontargets in these tasks, while speed of search is related to processing speed in the nervous system. Therefore intelligence and attentional ability depend on different underlying features of the nervous system. KW - visual_search AU - Wilding, John AU - Cornish, Kim PY - 2007/02/19/ UR - http://dx.doi.org/10.1080/09297040601160574 ER -