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Medial rostral prefrontal cortex and the neuroeconomics of mental time travel

Medial rostral prefrontal cortex and the neuroeconomics of mental time travel. Roland G. Benoit Sam J. Gilbert Paul W. Burgess University College London. imagining the future. subjective value. metanalysis. Addis, Wong, & Schacter, 2007. Kable & Glimcher, 2007. Gilbert et al., 2006.

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Medial rostral prefrontal cortex and the neuroeconomics of mental time travel

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  1. Medial rostral prefrontal cortex and the neuroeconomics of mental time travel Roland G. Benoit Sam J. Gilbert Paul W. Burgess University College London

  2. imagining the future subjective value metanalysis Addis, Wong, & Schacter, 2007 Kable & Glimcher, 2007 Gilbert et al., 2006

  3. 5 amounts [£: 26;33;42;52;65] X 4 delays [days: 30;90;180;360]; 20 scenarios 1s * 2s Imagine Lunch 14s max 4.5s Imagine Lunch £ 27 in 360 days £ 27 in 360 days 1=yes; 2=no max 4s Emotional? 0=detach. … 4=highly max 4s Experiencing? 0=none … 4=highly until 28.5 s + £ 25 now

  4. summary design • 2 runs, each 10 trials of each task (Imagine, Estimate, Count) • 28.5s * 30 trials = 855s (14.25min); 855s * 2 runs = 1710s (28.5 min) • Instructions + practicing: ca. 60 min • Debriefing: • Consideration of future consequences scale (Strathman et al., 1994) • Vividness of visual imagery questionnaire (Marks, 1973) • Given the money that you will probably have at those time points, how much will £ 25 be worth to you [now; 30;90;180;360]? • functional sequence: • 64 x 64; 3.5 x 3.5 mm pixels; 33 axial slices (3.5 mm thick, oriented to the AC-PC plane) • TR: 2.5 s; TE: 40 ms; • structural sequence: MPRAGE? • field maps

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