School of Psychology, Cardiff University, Tower Building, Park Place, Cardiff CF10 3AT, UK.
Psychiatry Res. 2010 Apr 30;176(2-3):143-9. doi: 10.1016/j.psychres.2009.03.027. Epub 2010 Feb 6.
It has been argued that schizophrenia is associated with abnormalities in the allocation of attention, and that such abnormalities extend to members of the healthy population who are high in schizotypy; however, alternative interpretations of previous experimental evidence relating to this issue are possible. We present a learned irrelevance paradigm that provides a less equivocal measure of attentional processing during learning, and demonstrate a reliable reduction in learned irrelevance among healthy participants with high scores on a dimension of schizotypy corresponding to the positive symptoms of schizophrenia. These results support the suggestion that high schizotypy (and, by extension, schizophrenia) is associated with deficits in the appropriate allocation of attention.
有人认为精神分裂症与注意力分配异常有关，而且这种异常也存在于健康人群中，这些人具有较高的精神分裂症特质；然而，对于之前与该问题相关的实验证据，也存在其他可能的解释。我们提出了一个学习无关范式，该范式提供了一种在学习过程中测量注意力处理的方法，该方法更为明确，且结果表明，在与精神分裂症阳性症状相对应的精神分裂症特质维度上得分较高的健康参与者中，学习无关的现象确实减少了。这些结果支持了这样一种观点，即高精神分裂症特质（以及更广泛地说，精神分裂症）与注意力的适当分配缺陷有关。
