Acquisition of skilled visual search performance following severe closed-head injury.

Acquisition of skilled visual search performance following severe closed-head injury.
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在严重闭合性头部损伤后获得熟练的视觉搜索能力。

DOI:
10.1017/s1355617701755099
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发表时间:
2001
期刊:
Journal of the International Neuropsychological Society : JINS.
影响因子:
--
通讯作者:
Beglinger,L
Beglinger,L
中科院分区:
--
文献类型:
--
作者:
Schmitter-Edgecombe,M;Beglinger,L

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本研究使用语义类别视觉搜索任务来调查严重闭合性头部损伤 (CHI) 人群的技能获取和自动过程开发。 18 名严重 CHI 参与者(受伤后 > 1 年)和 18 名匹配对照者在一致映射 (CM) 和变化映射 (VM) 训练情况下完成了 3600 多次训练试验。转移条件也被用来测试独立于一般任务相关学习的自动注意反应(AAR)的发展。对于严重的 CHI 组和对照组来说,CM 训练(其中个体总是以相同的方式对特定类别的刺激作出反应)导致了显着的性能改善和 AAR 的发展。在VM训练条件下,个体不能以相同的方式对一类刺激从一个刺激暴露到下一个刺激做出反应,因此几乎没有性能改善并且继续依赖于受控过程。 CHI 参与者的视觉搜索率也比遵循扩展 VM 但未扩展 CM 练习的对照组慢。这些结果表明,技能获取培训指南可用于教导严重 CHI 患者开发新的自动技能。 (JINS,2001,7,615-630。)
This study used a semantic-category visual search task to investigate skill acquisition and automatic process development in a severe closed-head injured (CHI) population. Eighteen severe CHI participants (> 1 year post injury) and 18 matched controls completed over 3600 trials of training in both consistent mapping (CM) and varied mapping (VM) training situations. Transfer conditions were also used to test for development of an automatic attention response (AAR) that was independent of general, task-related learning. For both the severe CHI and control group, CM training, where individuals always responded in the same way to a specific class of stimuli, resulted in dramatic performance improvements and the development of an AAR. In the VM training condition, where individuals could not respond in the same way to a class of stimuli from one stimulus exposure to the next, there was little performance improvement and continued reliance on controlled processes. The visual search rates of the CHI participants also remained slower than those of controls following extended VM but not extended CM practice. These results indicate that skill acquisition training guidelines can be used to teach severe CHI patients to develop a new automatic skill. (JINS, 2001, 7, 615–630.)
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