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. Author manuscript; available in PMC: 2013 Aug 4.
Published in final edited form as: J Alzheimers Dis. 2013 Jan 1;36(1):177–183. doi: 10.3233/JAD-122053

Figure 2.

Figure 2

Vertical motion, catch trial stimuli and behavioral task performance. A. Catch-trial stimuli consisting of vertically moving dots were presented at the end of each trial sequence, and cued subjects to make an up or down button press response based on the direction of planar motion. B. Button press data were used to measure catch trial performance. Response times differentiated only the YNC from EAD (p= .016), while the percentage of detected catch was significantly lower in the EAD group (p= .004).