variants to try/pilot

[anne-urai]

See spreadsheet here

[cami-uche-enwe]

In Alex's "Psycho" version:

• contrast set: 0.5, 0.52, 0.55, 0.6, 0.7
• contrast deltas: 0, 0.02, 0.05, 0.1, 0.2
• pedestal: 0.5

In his fMRI version:

• contrast set: 0, 0.5, 0.6, 0.9
• contrast deltas: 0, 0.1, 0.4
• pedestals: 0 (but only used when contrast delta is also 0), 0.5

In both versions:

• feedback: single-trial feedback, mark correct/incorrect with "Y" or "N"

[anne-urai]

Closed; still write all of this down https://github.com/users/anne-urai/projects/1/views/1?pane=issue&itemId=59133976