Working memory load reduces the late positive potential and this effect is attenuated with increasing anxiety
Cognitive Affective & Behavioral Neuroscience (2011) - Comment
pubmed: 21556695  doi: 10.3758/s13415-011-0036-z  issn: 1531-135x  issn: 1530-7026 

Annmarie MacNamara, Jamie Ferri, Greg Hajcak