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Table 1. 

Details of Paradigm 1 (P1) and Paradigm 2 (P2) in Terms of Participants and Timing Parameters


Paradigm 1
Paradigm 2
Participants 
Number 14 
Age (years) average = 58.7; range = 22–74 average = 50.4; range = 22–69 
Sex (nmales = 7, females = 7 males = 3, females = 5 
Handedness Right Right 
Hand of response Right Left 
 
Timing Parameters 
Duration of each stimulus pair (sec) 2.65 
Fixation between stimulus pairs (sec) 0.5 
Total time to respond (sec) 3.15 
Total time for each block (sec) 18.9 (6 pairs × 3.15 sec) 30 (6 pairs × 5 sec) 
Question before beginning of each block (sec) 3.78 2.7 
Fixation between blocks (sec) 11.34 16.2 
Number of scans per run 216 260 
Number of runs 
Total scanning time (min) 40.8 46.8 

Paradigm 1
Paradigm 2
Participants 
Number 14 
Age (years) average = 58.7; range = 22–74 average = 50.4; range = 22–69 
Sex (nmales = 7, females = 7 males = 3, females = 5 
Handedness Right Right 
Hand of response Right Left 
 
Timing Parameters 
Duration of each stimulus pair (sec) 2.65 
Fixation between stimulus pairs (sec) 0.5 
Total time to respond (sec) 3.15 
Total time for each block (sec) 18.9 (6 pairs × 3.15 sec) 30 (6 pairs × 5 sec) 
Question before beginning of each block (sec) 3.78 2.7 
Fixation between blocks (sec) 11.34 16.2 
Number of scans per run 216 260 
Number of runs 
Total scanning time (min) 40.8 46.8 
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