Skip to main content
. Author manuscript; available in PMC: 2019 Sep 25.
Published in final edited form as: J Alzheimers Dis. 2015;46(3):703–717. doi: 10.3233/JAD-142781

Fig. 5.

Fig. 5.

Results of the condition effect. The condition effect (retrieval versus non-retrieval trials) examined by STAT-PCA was found to localize to the left fronto-temporal region, starting from 750 ms post-stimulus (a). Electrode F7 shows the condition effect was attributable to greater negativity in retrieval than non-retrieval trials (a), while electrode CP2 shows a reverse pattern (c), observed in both groups (shaded areas: 750–1100 ms). Topographical representations at the group level of the scalp potentials (difference amplitude of NR minus R) weighted by the PCA scores derived from the condition effect (d).